Practice Free 350-701 Implementing and Operating Cisco Security Core Technologies (SCOR 350-701 v2.0) Exam Questions Answers With Explanation

A NetFlow version 9 template record is a record that contains information about the fields that will be present in the data records that follow the template. A template record consists of a template ID, a field count, and a list of field types and lengths. A template record is sent periodically by the NetFlow exporter to the NetFlow collector, so that the collector can parse and interpret the data records correctly. A template record can also be requested by the collector using an options template record. The purpose of a template record is to define the format of data records, which contain the actual information about the IP flows1234.

A. It specifies the data format of NetFlow processes. - This is incorrect, because a template record does not specify the data format of NetFlow processes, but rather the data format of data records. NetFlow processes are the functions that perform flow creation, aggregation, export, and analysis on the NetFlow device or the collector. B. It provides a standardized set of information about an IP flow. - This is incorrect, because a template record does not provide any information about an IP flow, but rather the information about the fields that will be present in the data records. The data records are the ones that provide the information about an IP flow, such as source and destination IP addresses, ports, protocols, bytes, packets, timestamps, and so on. C. It defines the format of data records. - This is correct, because a template record defines the format of data records by specifying the field types and lengths that will be present in the data records. A template record allows the NetFlow collector to parse and interpret the data records correctly, and also enables the NetFlow exporter to use different formats for different types of flows. D. It serves as a unique identification number to distinguish individual data records. - This is incorrect, because a template record does not serve as a unique identification number, but rather as a description of the fields. A template record has a template ID, which is a 16-bit value that identifies the template record uniquely within an export packet, but this ID is not used to distinguish individual data records. The data records are distinguished by their position within the export packet and their association with a template record.

References := 1: NetFlow Version 9 Flow-Record Format [IP Application Services] - Cisco … 2: NetFlow V9 formats - IBM 3: Netflow :: Version 9 - Caligare 4: NetFlow Versions > NetFlow for Cybersecurity | Cisco Press

Multifactor authentication (MFA) is an authentication method that requires the user to provide two or more verification factors to gain access to a resource such as an application, online account, or a VPN1. MFA is a core component of a strong identity and access management (IAM) policy. MFA can help prevent an attacker from stealing usernames and passwords of users within an organization by adding an extra layer of security beyond the traditional username and password. For example, a user may need to enter a one-time code sent to their phone or email, scan their fingerprint, or use a hardware token to prove their identity. This way, even if an attacker obtains the user’s credentials, they cannot access the resource without the second factor2.

The other options are not technologies that can help prevent an attacker from stealing usernames and passwords of users within an organization. RADIUS-based REAP is a protocol that allows wireless clients to authenticate with a RADIUS server, but it does not provide MFA3. Fingerprinting is a technique that identifies the operating system or application of a device based on its network characteristics, but it does not provide MFA4. Dynamic ARP Inspection is a security feature that prevents ARP spoofing attacks by validating ARP packets, but it does not provide MFA5.

References := 1: What is Multi-Factor Authentication (MFA)? | OneLogin(https://www.onelogin.com/learn/what-is-mfa) 2: What is: Multifactor Authentication - Microsoft Support(https://support.microsoft.com/en-us/topic/what-is-multifactor-authentication-e5e39437-121c-be60-d123-eda06bddf661) 3: Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Securing the Network, Lesson 3.3: Secure Wireless Connectivity, Topic 3.3.1: Wireless Security Protocols, page 3-40. 4: Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 2: Securing the Cloud, Lesson 2.2: Cloud Security Assessment, Topic 2.2.1: Cloud Security Concepts, page 2-13. 5: Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Securing the Network, Lesson 3.2: Secure Network Access, Topic 3.2.2: Layer 2 Security Features, page 3-19.

Explanation

You can configure discovery rules to tailor the discovery of host and application data to your needs.

The Firepower System can use data from NetFlow exporters to generate connection and discovery events, and to add host and application data to the network map.

A network analysis policy governs how traffic is decoded and preprocessed so it can be further evaluated, especially for anomalous traffic that might signal an intrusion attempt - > Answer D is not correct.

The Secure Event Connector is a component of the Security Analytics and Logging (SaaS) solution that enables the FMC to send logs to the cloud-based service. The Secure Event Connector uses syslog to forward events from the FMC and the managed devices to the cloud. This method reduces the load on the firewall resources, as the events are sent in batches and compressed before transmission. The Secure Event Connector also provides encryption, authentication, and reliability for the log data. The other methods are not supported by the Security Analytics and Logging (SaaS) solution12 References := 1: Cisco Security Analytics and Logging (On Premises)

Transparent traffic redirection using WCCP is a deployment mode for the Cisco WSA that allows it to intercept and proxy web requests from client applications without requiring any configuration on the clients. This mode increases the visibility and control of web traffic, while making the proxy function invisible to the users. To support this mode, the Cisco WSA must be configured to use the transparent proxy mode, which enables it to listen on ports 80 and 443 for HTTP and HTTPS traffic, respectively. The Cisco WSA must also be configured to use WCCP service IDs, which are numerical identifiers that specify the type and range of ports to be redirected. For example, service ID 0 (web-cache) redirects port 80, service ID 70 (https-cache) redirects port 443, and service ID 60 (ftp-native) redirects port 21 and a range of passive FTP ports. The Cisco WSA must also be configured to join a WCCP group, which is a set of WCCP routers or switches that cooperate to redirect traffic to the WSA. The WCCP group can be specified by a group list, which is an access list that defines the IP addresses of the WCCP routers or switches, or by a password, which is a shared secret that authenticates the WCCP communication. The WCCP group must also be configured on the network device that performs the traffic redirection, such as a Cisco router, switch, or ASA firewall. The network device must support WCCPv2, which is the latest version of the protocol that allows for advanced features such as load balancing, encryption, and GRE encapsulation. The network device must also be configured to use the same WCCP service IDs and group list or password as the Cisco WSA. The network device must also be configured to apply the WCCP redirection to the appropriate interface and direction, such as the inside interface and inbound direction for traffic originating from the internal network. The network device must also be configured to use an access list that defines the traffic to be redirected or bypassed, such as the source and destination IP addresses, ports, and protocols. The access list can also be used to exclude certain traffic from WCCP redirection, such as traffic to private or internal destinations, or traffic from specific hosts123 References := 1: Configure Transparent Redirection With WCCP in Order to Redirect Native FTP Traffic - Cisco 2: Solved: Transparent Redirection - Cisco Community 3: Cisco WSA : Is it possible to use web proxy in transparent mode without WCCP - Cisco Community

According to the NIST 800-145 guide1, a community cloud is a cloud infrastructure that is provisioned for exclusive use by a specific community of consumers from organizations that have shared concerns (e.g., mission, security requirements, policy, and compliance considerations). It may be owned, managed, and operated by one or more of the organizations in the community, a third party, or some combination of them, and it may exist on or off premises. A community cloud differs from a private cloud, which is provisioned for exclusive use by a single organization, and a public cloud, which is provisioned for open use by the general public. A hybrid cloud is a composition of two or more distinct cloud infrastructures (private, community, or public) that remain unique entities, but are bound together by standardized or proprietary technology that enables data and application portability (e.g., cloud bursting for load balancing between clouds). References := 1: NIST SP 800-145, The NIST Definition of Cloud Computing, page 3.

 PAC files are scripts that tell web browsers how to use proxies on the network. They use if-else statements to determine whether to use a proxy or a direct connection for traffic between the PC and the host, based on criteria such as the destination URL, the source IP address, or the network subnet12. The WSA can host PAC files on port 9001 by default, and this port can be changed in the PAC file hosting settings2. If the WSA host port is changed, the default port does not redirect web traffic to the correct port automatically; the browser needs to point to the new port in the PAC file URL2. The WSA does not host PAC files on port 6001 by default2. PAC files do not direct traffic through a proxy when the PC and the host are on the same subnet by default; this behavior depends on the PAC file logic12. References:

PAC file format

PAC file hosting on WSA

 Cisco Cloudlock is a cloud-native security solution that secures public, private, hybrid, and community clouds. It provides visibility, compliance, threat protection, and data security for cloud applications and environments. Cisco Cloudlock integrates with various cloud platforms and services, such as AWS, Azure, Google Cloud, Office 365, Salesforce, Dropbox, and more. Cisco Cloudlock monitors user activities, configurations, and sensitive data across the cloud, and alerts or blocks any violations of policies or regulations. Cisco Cloudlock also leverages user and entity behavior analytics (UEBA) to detect and respond to anomalous or malicious behaviors in the cloud. Cisco Cloudlock helps organizations protect their cloud assets and data, while enabling them to embrace the benefits of cloud computing. References :=

Cloud and Application Security - Cisco

Cloud Security Products and Solutions - Cisco

What Is Cloud Security? - Cisco

[Cisco Cloudlock: Cloud-Native CASB and Cloud Cybersecurity Platform]

SCP relies on SSH to provide authenticated and encrypted file transfer. After the required RSA keys exist and the SCP server has been enabled, the router should explicitly use SSH version 2 with the ip ssh version 2 command. Cisco documents that SCP is an application provided through SSH and that SSHv2 supplies the supported secure-shell transport and stronger protocol operation; see Cisco’s Secure Shell Version 2 configuration guide. Restricting individual SSH commands is an authorization refinement, not the next protocol-enablement step. Strict host-key checking is primarily a client-side trust behavior and does not activate the IOS SSH service. An ACL can restrict management sources, but denying LAN access does not establish SSH or SCP functionality. Consequently, enabling SSHv2 is the required action.

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NetFlow is a baseline form of telemetry that is recommended for network infrastructure devices. NetFlow is a technology that collects and exports information about IP traffic flows on enabled interfaces. NetFlow can provide valuable insight into the network performance, utilization, behavior, and security. NetFlow can help identify anomalies, such as DDoS attacks, malware, or misconfigurations, by comparing the current traffic patterns with the normal or baseline ones. NetFlow can also help with capacity planning, troubleshooting, and forensic analysis. NetFlow is supported on various Cisco platforms, such as routers, switches, firewalls, and IPS sensors. NetFlow can export data to different collectors and analyzers, such as Cisco Security Monitoring, Analysis and Response System (CS-MARS), Cisco Traffic Anomaly Detectors and Cisco Guard DDoS Mitigation Appliances, Cisco Network Analysis Module (NAM), and other third-party tools. References:

 The RADIUS CoA feature supports the IETF attribute 24 State, which is used to identify the session for which the CoA request is intended. The State attribute is sent by the device in the Access-Accept message and must be echoed back by the RADIUS server in the CoA-Request message. The other attributes are not supported for the RADIUS CoA feature.

To understand the concept of RADIUS CoA and the supported attributes, you can refer to the following sections of the source book:

Section 1.1.2: Describe the concepts of network security

Section 1.1.2.6: Describe the concepts of RADIUS CoA

Section 1.1.2.7: Describe the concepts of supported IETF attributes

The reason for the failure is that detections for MD5 signatures must be configured in the advanced custom detection policies, not in the simple detection policy section. The simple detection policy section allows users to create a list of SHA-256 hashes of files that they want to block or quarantine on the endpoints. The SHA-256 hash is a more secure and unique identifier of a file than the MD5 hash, which can have collisions or duplicates. The advanced custom detection policy section allows users to create more complex and flexible rules to detect and block files based on various criteria, such as file name, size, type, signature, or MD5 hash. The advanced custom detection policy section also supports wildcards and regular expressions to match multiple files or patterns. Therefore, if the administrator wants to add specific MD5 signatures to the custom detection policy, they should use the advanced custom detection policy section instead of the simple detection policy section.

Time synchronization is one of the features that can be configured for managed devices in the device platform settings of the Firepower Management Center (FMC). Time synchronization ensures that the FMC and its managed devices have the same date and time settings, which is important for accurate event logging and reporting. The FMC can act as a Network Time Protocol (NTP) server for its managed devices, or it can use an external NTP server as a time source1. The FMC can also synchronize its time with the system clock of the device where it is installed2. References := 1: Firepower Management Center Device Configuration Guide, 7.1 - Platform Settings 2: Firepower Management Center Configuration Guide, Version 6.6 - Device Management Basics

Explanation

The command crypto isakmp key cisco address 1.2.3.4 authenticates the IP address of the 1.2.3.4 peer by using the key cisco. The address of “0.0.0.0” will authenticate any address with this key

 Cisco Advanced Phishing Protection (AAP) is a solution that adds sophisticated machine learning capabilities to Cisco Email Security to block advanced identity deception attacks for inbound email by assessing its threat posture1. It also uses both global and local telemetry data combined with analytics and modeling to validate the reputation and authenticity of senders2. AAP provides sender authentication and BEC detection capabilities, and uses advanced machine learning techniques, real-time behavior analytics, relationship modeling and telemetry to protect against identity deception–based threats3.

In two ways, the Cisco Advanced Phishing Protection solution protects users:

It prevents use of compromised accounts and social engineering. AAP detects and blocks phishing emails that attempt to impersonate legitimate senders, such as executives, partners, or customers, and trick users into revealing sensitive information or transferring funds. AAP analyzes the sender’s identity, behavior, and relationship with the recipient, and assigns a risk score to the email. If the email is deemed suspicious or malicious, AAP can quarantine it, flag it, or deliver it with a warning4.

It automatically removes malicious emails from users’ inbox. AAP provides retrospective analysis and remediation capabilities, which means that it can identify and remove emails that were initially delivered but later found to be malicious. AAP leverages the Cisco Talos threat intelligence network and the Sensor-based solution to continuously monitor the threat landscape and update the email disposition accordingly. If an email is reclassified as malicious, AAP can automatically delete it from the users’ inbox, or notify the administrator or the user to take action45.

The other options are incorrect because they do not accurately describe the functions of AAP. AAP does not prevent all zero-day attacks coming from the Internet, as it focuses on phishing and identity deception attacks. AAP does not prevent trojan horse malware using sensors, as sensors are used to collect and analyze email data, not to block malware. AAP does not secure all passwords that are shared in video conferences, as it is not related to video conferencing security. Therefore, the correct answer is A and C. References:

Cisco’s Security Innovations to Protect the Endpoint and Email

Cisco Advanced Phishing Protection - Cisco Video Portal

Cisco Advanced Phishing Protection At A Glance - AVANTEC

User Guide for Cisco Advanced Phishing Protection

Cisco Secure Email Threat Defense - Cisco

Integrating the Email Gateway with Cisco Advanced Phishing Protection

https://www.cisco.com/c/en/us/td/docs/security/wsa/wsa11-0/user_guide/b_WSA_UserGuide/b_WSA_UserGuide_chapter_01101.html Policy Order The order in which policies are listed in a policy table determines the priority with which they are applied to Web requests. Web requests are checked against policies beginning at the top of the table and ending at the first policy matched. Any policies below that point in the table are not processed. If no user-defined policy is matched against a Web request, then the global policy for that policy type is applied. Global policies are always positioned last in Policy tables and cannot be re-ordered.

Microsegmentation is a network security strategy that breaks a network into smaller network “segments” to boost security and control over data traffic1. Unlike traditional network security, which primarily defends the network’s outer boundaries, microsegmentation focuses on securing individual workloads and devices within the network2. Microsegmentation uses an allow-list model to significantly reduce the attack surface across different workload types and environments3. Microsegmentation is also referred to as application segmentation or east-west segmentation in a multicloud data center4.

Option B is the correct description of microsegmentation, as it captures the essence of applying a zero-trust model and specifying how applications on different servers or containers can communicate. Option A is incorrect, as deploying a container orchestration platform is not a sufficient condition for microsegmentation. Option C is incorrect, as deploying host-based firewall rules is not a necessary condition for microsegmentation. Option D is incorrect, as implementing private VLAN segmentation is a different technique from microsegmentation. References: An Introduction to Microsegmentation in Network Security. What Is Micro-Segmentation? - Cisco. What Is Microsegmentation? - Palo Alto Networks. What Is Microsegmentation in Networking? Beginner’s Guide.

Explanation

Unlike the traditional software life cycle, the CI/CD implementation process gives a weekly or daily update

instead of monthly or quarterly. The fun part is customers won’t even realize the update is in their applications,

as they happen on the fly.

Cisco Secure Firewall implements website control through URL filtering conditions in access control rules. Category-and-reputation filtering classifies websites by type, enabling a blocking access control rule to deny categories such as social networking while permitting unrelated web use. This is web filtering applied through an access control policy, making option C correct. A global default setting alone does not define the category-specific enforcement required. File policies inspect or control files transferred through permitted connections and do not provide website-category blocking. Option D is incorrectly worded because URL categories are configured as URL conditions, not as destination-network objects in the rule’s destination-network condition. After defining and ordering the blocking rule, the administrator must deploy the access control policy to the managed Threat Defense device. Cisco Secure Firewall URL-filtering guide

A passphrase is a type of protection that encrypts RSA keys when they are exported and imported. A passphrase is a sequence of characters that the user enters to decrypt the key. The passphrase acts as a symmetric key that is used to encrypt and decrypt the RSA key with a symmetric algorithm, such as AES. This way, the RSA key is protected from unauthorized access or tampering when it is transferred or stored. A passphrase can also provide additional security by adding entropy to the RSA key generation process. A file, NGE, and nonexportable are not types of protection that encrypt RSA keys when they are exported and imported. A file is a container that stores the RSA key, but does not encrypt it. NGE stands for Next Generation Encryption, which is a set of cryptographic standards and algorithms that Cisco recommends, but it is not a specific type of protection. Nonexportable is a property that prevents the RSA key from being exported at all, but it does not encrypt it. References: RSA/Schannel Key BLOBs, Common Encryption Types, Protocols and Algorithms Explained, Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0 (Module 5: Implementing Secure Communications with VPNs, Lesson 5.1: Implementing Site-to-Site VPNs, Topic 5.1.2: Implementing Site-to-Site VPNs with Pre-Shared Keys)

 Cisco Container Platform (CCP) is a solution that simplifies the deployment and management of containerized applications across multiple clouds. It provides the following benefits to customers who utilize cloud service providers12:

Allows developers to create code once and deploy to multiple clouds. CCP is based on open source components, such as Kubernetes and Docker, that are compatible with various cloud platforms. This enables developers to write code once and run it anywhere, without worrying about the underlying infrastructure or vendor lock-in. CCP also supports hybrid and multicloud scenarios, allowing customers to leverage the best features of different cloud providers and optimize their costs and performance.

Manages Kubernetes clusters. CCP automates the installation, configuration, and maintenance of Kubernetes clusters, which are groups of nodes that run containerized applications. CCP provides a simple GUI-driven menu system to deploy clusters, as well as automated monthly updates for bug fixes, feature enhancements, and security patches. CCP also offers a choice of networking solutions, such as Cisco ACI, Calico, or Contiv, to connect and secure the clusters. CCP also integrates with Cisco AppDynamics and Prometheus for visibility and monitoring of the clusters and applications. References:

Cisco Container Platform - Cisco

Cisco Container Platform - At-a-Glance - Cisco

Web usage controls are a feature of Cisco Web Security Appliance (WSA) that allow administrators to define and enforce policies for web access based on URL categories. URL categories are groups of websites that share a common theme or content, such as news, sports, entertainment, etc. Cisco WSA uses the Cisco Dynamic Content Analysis Engine and the Talos Security Intelligence and Research Group to provide accurate and up-to-date URL categorization. Administrators can use the web usage controls to allow, block, warn, or monitor web requests based on the URL category of the destination website. They can also create custom URL categories to include or exclude specific domains or URLs from the predefined categories. Web usage controls help administrators to control web traffic, enhance security, improve productivity, and comply with regulatory and organizational requirements. References :=

Some possible references are:

Web Usage Controls - Cisco Web Security Appliance User Guide, Cisco

Cisco Web Usage Control Filtering Categories Data Sheet, Cisco

Define Custom URL Categories in WSA, Cisco

To add switches into the fabric for private cloud management, administrators can use the following two methods:

PowerOn Auto Provisioning (POAP): This method allows the switches to be automatically discovered and provisioned by DCNM using a POAP configuration file. The switches are assigned an IP address and a startup configuration based on the fabric settings and policies. The switches are then added to the fabric and deployed with the VXLAN EVPN configuration. This method is suitable for greenfield deployments or adding new switches to an existing fabric12.

Seed IP: This method allows the administrators to manually specify the IP address of the switches that they want to add to the fabric. The switches must have a reachable IP address and a username and password that match the fabric settings. The switches are then added to the fabric and deployed with the VXLAN EVPN configuration. This method is suitable for brownfield deployments or transitioning existing switches to DCNM management12. References: Cisco NDFC Fabric Controller Configuration Guide, Release 12.0.x, Cisco DCNM LAN Fabric Configuration Guide, Release 11.5(x).

Explanation

What Cisco DNA Center enables you to do

Automate: Save time by using a single dashboard to manage and automate your network. Quickly scale your business with intuitive workflows and reusable templates. Configure and provision thousands of network devices across your enterprise in minutes, not hours.

Secure policy: Deploy group-based secure access and network segmentation based on business needs. With Cisco DNA Center, you apply policy to users and applications instead of to your network devices. Automation reduces manual operations and the costs associated with human errors, resulting in more uptime and improved security. Assurance then assesses the network and uses context to turn data into intelligence, making sure that changes in the network device policies achieve your intent.

Assurance: Monitor, identify, and react in real time to changing network and wireless conditions. Cisco DNA Center uses your network’s wired and wireless devices to create sensors everywhere, providing real-time feedback based on actual network conditions. The Cisco DNA Assurance engine correlates network sensor insights with streaming telemetry and compares this with the current context of these data sources. With a quick check of the health scores on the Cisco DNA Center dashboard, you can see where there is a performance issue and identify the most likely cause in minutes.

Extend ecosystem: With the new Cisco DNA Center platform, IT can now integrate Cisco® solutions and thirdparty technologies into a single network operation for streamlining IT workflows and increasing business value and innovation. Cisco DNA Center allows you to run the network with open interfaces with IT and business applications, integrates across IT operations and technology domains, and can manage heterogeneous network devices.

A playbook is the Splunk SOAR component that links multiple actions and decision points into an automated, reusable security workflow. For example, a playbook can enrich an indicator, query reputation services, isolate a host, create a ticket, and notify an analyst in a defined sequence. Splunk’s documentation explains that a workflow is created by linking a series of app-provided actions in the playbook editor. Therefore, option D is correct. An alert is an event or finding that can trigger investigation or automation; it is not the workflow itself. An action is one operation performed through an integrated app, so several actions may be components of a playbook. A data model structures information for searching or analysis but does not orchestrate response steps. Splunk’s SOAR playbook documentation verifies this distinction.

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Explanation

The data plane of any network is responsible for handling data packets that are transported across the network.

(The data plane is also sometimes called the forwarding plane.)

Maybe this Qwants to ask about the encryption and authentication in the data plane of a SD-WAN network (but SD-WAN is not a topic of the SCOR 350-701 exam?).

In the Cisco SD-WAN network for unicast traffic, data plane encryption is done by AES-256-GCM, a symmetrickey algorithm that uses the same key to encrypt outgoing packets and to decrypt incoming packets. Each router periodically generates an AES key for its data path (specifically, one key per TLOC) and transmits this key to the vSmart controller in OMP route packets, which are similar to IP route updates.

The difference between GRE over IPsec and IPsec with crypto map is that GRE (Generic Routing Encapsulation) over IPsec can encapsulate and transport non-IP protocols across an IP network, whereas IPsec with crypto map is typically used for IP traffic. GRE tunnels wrapped in IPsec provide a way to transport multicast traffic and other protocol types across an IPsec VPN, offering greater flexibility in the types of traffic that can be secured.

In a remote access VPN configuration, dynamic split tunneling allows traffic to certain trusted domains to bypass the VPN tunnel and exit through the client ' s local internet gateway. This feature selectively directs only the necessary traffic over the VPN, while allowing direct internet access for specific domains or traffic deemed safe or trusted, optimizing bandwidth and performance for remote users.

Explanation

Message tracking helps resolve help desk calls by giving a detailed view of message flow. For example, if a message was not delivered as expected, you can determine if it was found to contain a virus or placed in a spam quarantine — or if it is located somewhere else in the mail stream.

the interface configuration. MAB stands for MAC Authentication Bypass, which is a feature that allows devices that do not support 802.1X, such as printers and video cameras, to bypass the authentication process and gain network access based on their MAC addresses1. By adding mab to the interface configuration, the Cisco ISE administrator can enable MAB as a fallback method after 802.1X fails or times out. This way, the devices that support 802.1X can use their machine certificate credentials, while the devices that do not support 802.1X can use their MAC addresses to authenticate with Cisco ISE2. The other options are not correct because they either compromise the security controls or do not address the problem. Changing the default policy in Cisco ISE to allow all devices not using machine authentication would weaken the security posture and expose the network to unauthorized access. Enabling insecure protocols within Cisco ISE in the allowed protocols configuration would also reduce the security level and increase the risk of attacks. Configuring authentication event fail retry 2 action authorize vlan 41 on the interface would only apply to the devices that fail authentication twice, and would not solve the issue for the devices that do not support 802.1X at all3. References:

1: MAC Authentication Bypass Deployment Guide

2: Configuring MAC Authentication Bypass

3: Cisco Identity Services Engine Administrator Guide, Release 3.1 - Segmentation

Explanation

Cisco Umbrella protects users from accessing malicious domains by proactively analyzing and blocking unsafe destinations – before a connection is ever made. Thus it can protect from phishing attacks by blocking suspicious domains when users click on the given links that an attacker sent. Cisco Umbrella roaming protects your employees even when they are off the VPN.

PFS stands for Perfect Forward Secrecy, which is a property of some cryptographic protocols that ensures that the compromise of a long-term key does not affect the security of past or future sessions. PFS provides the highest level of protection against brute-force attacks, because even if an attacker manages to break the long-term key, they cannot decrypt the previous or subsequent communications that use different session keys. PFS is achieved by using ephemeral or temporary keys that are derived from a Diffie-Hellman key exchange, and are not based on the long-term key. Therefore, each session has a unique and independent key that is not stored or reused. PFS is supported by some protocols such as TLS, SSH, and IPsec123. References := 1: Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 4: Securing Networks with Cisco Firepower Next Generation IPS, Lesson 4.1: Deploying Cisco Firepower Next-Generation IPS, Topic 4.1.2: Cisco Firepower NGIPS Device Management 2: What is Perfect Forward Secrecy? | Baeldung on Computer Science4 3: Perfect Forward Secrecy - an overview | ScienceDirect Topics5

Cisco Umbrella allows you to create custom destination lists that contain specific domains or IP addresses that you want to allow or block. You can then apply these destination lists to your policies to override the default behavior of Umbrella. For example, if you want to block specific addresses using Cisco Umbrella, you can create a destination list with those addresses and set the action to block. Then, you can assign this destination list to the policy that you want to modify. This way, any request to those addresses will be blocked by Umbrella, regardless of the content category or application settings12 References := 1: Manage Policies - Umbrella User Guide 2: Understanding Destination lists supported entries and error messages - Cisco Umbrella

 Intelligent Multi-Scan (IMS) is a feature that enables the Cisco ESA to perform multiple anti-spam scans on each message and apply different actions based on the results. IMS also includes the Graymail Detection and Safe Unsubscribe services, which allow the ESA to identify and filter messages that are not strictly spam, but are low-priority or unwanted by the end user, such as newsletters, social media notifications, or marketing emails. The Graymail Detection service can classify messages into different categories, such as bulk, mass, or subscription, and assign different scores and verdicts to them. The Safe Unsubscribe service can provide a link for the end user to safely unsubscribe from the sender’s mailing list, without revealing their email address or opening a malicious URL. To enable the blocking of greymail for the end user, the administrator must first enable the IMS feature globally and then configure the Graymail and Safe Unsubscribe settings in the mail policies. The administrator can also enable the centralized spam quarantine and the end-user quarantine interface to allow the end user to manage their own quarantined messages. References :=

Best Practice Guide for Anti-Spam, Anti-Virus, Graymail and Outbreak Filters

Graymail Detection and Safe Unsubscribing Functionality

Explanation

Explanation

Telemetry – Information and/or data that provides awareness and visibility into what is occurring on the network

at any given time from networking devices, appliances, applications or servers in which the core function of the

device is not to generate security alerts designed to detect unwanted or malicious activity from computer

networks.

 A flow monitor is a component of Flexible NetFlow that is used to store and export flow data. A flow monitor consists of a record, an optional exporter, and a cache. The cache is a section of memory that stores flow entries before they are exported to an external collector. The cache is created by the flow monitor when NetFlow is applied to an interface. The cache collects traffic based on the key and nonkey fields in the configured record. The key fields are used to identify a flow uniquely, while the nonkey fields are used to provide additional information about the flow. The cache can be configured with various parameters, such as the number of entries, the timeout values, and the type of cache. The cache can also be viewed and cleared using show and clear commands. References :=

Some possible references are:

Flexible Netflow Configuration Guide, Cisco IOS Release 15M & T

ASR9000/XR Netflow Architecture and overview

Cisco IOS Flexible NetFlow Command Reference - cache (Flexible NetFlow) through match flow

Cisco ISE is the security solution that is used for posture assessment of the endpoints in a BYOD solution. Posture assessment allows Cisco ISE to inspect the security health of the endpoints, such as their operating system, software applications, network settings, and security software. Cisco ISE can then enforce posture policies based on the compliance status of the endpoints and grant or deny them access to the network resources. Cisco ISE supports different types of posture agents, such as AnyConnect, AnyConnect Stealth, and Temporal Agent, to monitor and remediate the endpoints. Cisco ISE also supports agentless posture for devices that cannot run an agent, such as printers, cameras, and IoT devices. Cisco ISE integrates with various third-party vendors to provide posture assessment for different endpoint platforms, such as Windows, Mac, Linux, Android, and iOS. References :=

Some possible references are:

Cisco Identity Services Engine Administrator Guide, Release 3.0 - Compliance

Chapter 15. Device Posture Assessment - Cisco ISE for BYOD and Secure Unified Access

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0

Cross-site scripting (XSS) is a web security vulnerability that allows an attacker to inject malicious code into a web page that is viewed by other users. XSS can compromise the user’s interaction with the web application, steal sensitive data, perform unauthorized actions, and more. To prevent XSS, web developers need to apply various defensive techniques to ensure that user-supplied data is not interpreted as code by the browser. Two of these techniques are:

Incorporate contextual output encoding/escaping: This means that any user-supplied data that is displayed on the web page should be properly encoded or escaped according to the context where it appears. For example, if the data is inserted into an HTML attribute, it should be HTML attribute encoded; if the data is inserted into a JavaScript string, it should be JavaScript string encoded; and so on. This prevents the data from breaking out of its intended context and being executed as code by the browser. Output encoding should be done by using a reliable library or framework that supports different contexts and encodings.

Run untrusted HTML input through an HTML sanitization engine: This means that any user-supplied data that is intended to contain HTML markup should be filtered and validated by a sanitization engine that removes or escapes any potentially dangerous elements, attributes, or scripts. This prevents the attacker from injecting malicious HTML code that can execute scripts, load external resources, redirect the user, or perform other malicious actions. HTML sanitization should be done by using a well-tested and maintained library or framework that follows the best practices and standards for HTML filtering.

References :=

[Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0], Module 5: Securing the Cloud, Lesson 5.2: Web Application Security, Topic 5.2.2: Cross-Site Scripting (XSS)

Cross Site Scripting Prevention Cheat Sheet - OWASP

What is cross-site scripting (XSS) and how to prevent it? - Web Security Academy

Cisco CWS eliminates the need to backhaul traffic through headquarters for remote workers whereas Cisco WSA does not. Cisco CWS is a cloud-based web security service that provides comprehensive protection against web-based threats for users anywhere, on any device1. Cisco WSA is an on-premises web security appliance that provides web filtering, malware scanning, data loss prevention, and other features for users within the network perimeter2. One of the benefits of using Cisco CWS over Cisco WSA is that it eliminates the need to backhaul traffic through headquarters for remote workers, which can reduce bandwidth costs, latency, and complexity3. Remote workers can connect directly to the nearest Cisco CWS data center and receive the same level of web security as if they were in the office. Cisco WSA, on the other hand, requires remote workers to use a VPN or proxy to route their web traffic through the headquarters, which can affect their performance and user experience. References:

1: Cisco Cloud Web Security Data Sheet

2: Cisco Secure Web Appliance Data Sheet

3: Cisco Cloud Web Security: Comprehensive Defense, Advanced Threat Protection, and Superior Flexibility for Your Business

Cisco Cloud Web Security: How It Works

Cisco Cloud Web Security: FAQ

Continuous Behavioral Monitoring is the best match because the requirement extends beyond a file’s first reputation verdict. It observes process and file activity after execution so suspicious behavior or a later intelligence change can trigger detection and response. Cisco Secure Endpoint is built around continuous analysis and retrospective security: telemetry remains useful after the initial encounter, allowing the platform to determine the scope of a threat and identify affected processes and systems. Cisco’s Secure Endpoint data sheet describes continuous analysis through file and device trajectory and the resulting endpoint-forensics visibility. File Reputation provides a point-in-time disposition but does not alone satisfy continuous post-execution observation. Forensic Analysis supports investigation after evidence exists, while System Process Protection is not the Cisco Secure Endpoint capability described by the scenario.

The weak element is MD5, an obsolete hash with practical collision weaknesses, so it should be replaced with a modern integrity algorithm. SHA-512 is a SHA-2 family hash and provides strong integrity validation; therefore, option C is correct. AES-256 remains a strong confidentiality algorithm, and TLS 1.3 with properly validated signed certificates provides current transport security and authentication. Replacing AES with 3DES would reduce security and introduce a legacy cipher. Replacing TLS 1.3 with DES is technically mismatched because TLS is a protocol while DES is an obsolete cipher. SSLv3 is deprecated and would also weaken the design. Cisco’s Next Generation Cryptography recommendations classify MD5 for integrity as “Avoid” and SHA-256, SHA-384, and SHA-512 as next-generation choices. Cisco’s cryptographic recommendations directly support replacing MD5 with SHA-512.

The Talos IP and Domain Reputation Center is the world’s most comprehensive real-time threat detection network. It collects and analyzes data from millions of web requests, emails, malware samples, open-source data sets, endpoint intelligence, and network intrusions. It assigns a reputation score to IP addresses and domains based on their observed malicious activity and behavior. The reputation score can range from -10 (very malicious) to +10 (very benign). The reputation score can be used to block or allow traffic, or to trigger further inspection or analysis. The Talos IP and Domain Reputation Center allows you to track the reputation of IP addresses for email and web traffic, as well as to look up the category, volume, and history of any IP address or domain. You can also submit feedback or request a change of reputation for any IP address or domain. References 

https://talosintelligence.com/reputation_center/

https://bing.com/search?q=Talos+reputation+center+IP+addresses+email+web+traffic

 The monitoring agent uses the RTP (Real-time Transport Protocol) performance metric to collect and output packet loss and jitter information. RTP is a network protocol used for delivering audio and video over IP networks. It provides mechanisms for timestamping, sequence numbering, and delivery monitoring, which allow for the measurement of packet loss and jitter. RTP is specifically designed for real-time multimedia streaming applications, which are more sensitive to changes in the transmission characteristics of data networks than other applications. Therefore, RTP performance is a suitable metric for monitoring and collecting packet loss and jitter information.

The other options are not directly related to measuring packet loss and jitter. TCP (Transmission Control Protocol) is a transport protocol that ensures reliable and ordered delivery of data, but it is not typically used for real-time multimedia applications. WSAv (Web Security Virtual Appliance) is a Cisco solution for web security, but it does not measure packet loss and jitter. AVC (Application Visibility and Control) is a technology that monitors and controls network applications, but it does not focus on packet loss and jitter. References :=

Measuring Delay, Jitter, and Packet Loss with Cisco IOS SAA and RTTMON1

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.02

Cisco 350-701: Which metric used by monitoring agent to collect and output packet loss and jitter information?

 EPP solutions solely focus on the perimeter of the network, which is the boundary between the internal and external networks. The perimeter is where most of the endpoints, such as laptops, desktops, mobile devices, and IoT devices, are located and connected to the network. EPP solutions aim to prevent, detect, and remediate security threats on these endpoints by using technologies such as antivirus, data encryption, and data loss prevention. EPP solutions rely on signatures and other indicators of intrusion by known threats to block malicious activity and malware on the endpoints12.

EDR solutions do not focus on the perimeter, but rather on the entire network, including the core and the East-West gateways. The core is the central part of the network that connects different segments and provides high-speed data transmission. The East-West gateways are the points of communication between different segments within the network, such as between different data centers or cloud environments. EDR solutions provide continuous and comprehensive visibility into endpoint activities across the network by using threat hunting tools for behavior-based endpoint threat detection. EDR solutions monitor and record endpoint data, detect anomalies and malicious behavior, and respond to threats that EPP and other security tools did not catch. EDR solutions also enable security teams to proactively investigate and contain incidents by using incident data search, alert triage, threat validation, and malicious activity blocking134.

References := 1: EPP vs. EDR: Why You Need Both - CrowdStrike 2: Comparing endpoint security: EPP vs. EDR vs. XDR | Infosec 3: EDR vs EPP: What is the Difference? - Exabeam 4: EDR vs EPP: Key Features, Differences, and How They Work Together

A Trojan horse relies on deception: malicious code is packaged or presented as a legitimate, desirable application so that a user installs or executes it. After execution, it may steal information, install additional payloads, create persistence, or provide remote access, but disguising itself as legitimate software is its defining characteristic. Self-replication into other programs describes a file-infecting virus, not a Trojan. Inserting code when legitimate programs run also describes viral infection behavior. Hidden access to restricted functions can be a backdoor capability delivered by some Trojans, but it is not the general characteristic that distinguishes the malware category. Because the question asks for the capability that identifies a Trojan horse, option B is the accurate choice. Cisco malware overview

DNS tunneling is a technique that encodes data of other programs and protocols in DNS queries, including data payloads that can be used to control a remote server and applications1. DNS exfiltration is a form of DNS tunneling that allows attackers to extract data from a compromised system by sending encoded DNS requests to a domain under their control2. The direction of the data transfer in DNS exfiltration is outbound, meaning from the victim’s network to the attacker’s network. This is different from inbound, which means from the attacker’s network to the victim’s network, or north-south and east-west, which are terms used to describe the traffic flow between different network segments or zones3. Outbound DNS requests are often allowed by default in many firewalls and network devices, making them an attractive channel for data exfiltration4. However, DNS exfiltration can be detected and prevented by using security solutions that monitor and analyze DNS traffic for anomalies and malicious patterns5.

 1: Improvements to DNS Tunneling & Exfiltration Detection - Cisco Umbrella 2: DNS Exfiltration & Tunneling: How it Works & DNSteal Demo Setup 3: What Is DNS Tunneling? - Palo Alto Networks 4: DNS Data Exfiltration and DNS Tunneling | Vercara 5: DNS Exfiltration: The Light at the End of the DNS Tunnel - site

The Cisco WSA can participate in the Cisco SensorBase Network, which is a threat management database that collects and shares data from Cisco security products. By participating in the SensorBase Network, the WSA can receive web reputation scores and URL categories for the requested web content, and also contribute data to improve the accuracy and efficacy of the service. The data that the WSA sends to the SensorBase Network servers includes information about request attributes and how the appliance handles requests. However, to protect the privacy and confidentiality of the users and the organization, the WSA does not send the complete URL, but only the summarized server-name information and the MD5-hashed path information. The MD5 hash is a one-way encryption algorithm that converts the path information into a fixed-length string that cannot be reversed. This way, the SensorBase Network can identify the URL without revealing the actual content or parameters of the request. The WSA also does not send any personal or confidential information such as usernames and passwords, or any information about HTTPS transactions, except for the IP address, web reputation score, and URL category of the server name in the certificate. The SensorBase Network Participation is enabled by default, but it can be disabled by the administrator if desired123. References: 3: Web Base Network Participation (WBNP) and Sender Base Network Participation (SBNP) - Cisco 2: User Guide for AsyncOS 15.0 for Cisco Secure Web Appliance - GD (General Deployment) - Introduction 1: User Guide for AsyncOS 12.0 for Cisco Web Security Appliances - GD (General Deployment) - Introduction

Endpoint security is the process of protecting devices like workstations, servers, and other devices from malicious threats and cyberattacks. Endpoint security enables businesses to secure endpoints that employees use for work purposes or servers that are either on a network or in the cloud. Endpoint security is important because every device that connects to the corporate network is a potential vulnerability, providing a possible entry point for cyber criminals. Therefore, every device an employee uses to connect to any business system or resource carries the risk of becoming the chosen route for hacking into an organization. These devices can be exploited by malware that could leak or steal sensitive data from the business12.

One of the benefits of endpoint security is that it allows the organization to detect and mitigate threats that the perimeter security devices do not detect. Perimeter security devices, such as firewalls and intrusion prevention systems, are designed to protect the network from external attacks. However, they may not be able to prevent or detect attacks that originate from within the network, such as insider threats, compromised devices, or lateral movement. Endpoint security solutions can provide visibility and control over the devices that connect to the network, and can monitor, analyze, and respond to suspicious or malicious activities on the endpoints. Endpoint security solutions can also leverage threat intelligence and advanced analytics to identify and block known and unknown threats, such as ransomware, zero-day exploits, and targeted attacks13. References := 1: What is Endpoint Security? How Does It Work? | Fortinet 2: Microsoft Defender for Endpoint | Microsoft Security 3: Endpoint Security - Check Point Software

The bpf() system call is the kernel entry point for extended Berkeley Packet Filter operations. Its command argument selects the required operation: BPF_PROG_LOAD verifies and loads an eBPF program, BPF_MAP_CREATE creates a map, and additional commands look up, update, or delete map elements. The call returns file descriptors that user-space loaders use to reference programs and maps. perf_event_open() creates performance-monitoring events and can participate in attaching some BPF programs, but it does not provide the general program-loading and map-management interface. ioctl() is a generic device-control mechanism, while prctl() changes process attributes. Therefore, only bpf() satisfies both functions stated in the question. The Linux man-pages documentation confirms the program-load and map commands provided through this syscall. Linux bpf(2) documentation

Explanation

There are two possible methods to accomplish the redirection of traffic to Cisco WSA: transparent proxy mode and explicit proxy mode.

In a transparent proxy deployment, a WCCP v2-capable network device redirects all TCP traffic with a

destination of port 80 or 443 to Cisco WSA, without any configuration on the client. The transparent proxy

deployment is used in this design, and the Cisco ASA firewall is used to redirect traffic to the appliance because all of the outbound web traffic passes through the device and is generally managed by the same operations staff who manage Cisco WSA.

Explanation

Only in On-site (on-premises) and IaaS we (tenant) manage O/S (Operating System).

Explanation

DTLS is used for delay sensitive applications (voice and video) as its UDP based while TLS is TCP based.

Therefore DTLS offers strongest throughput performance. The throughput of DTLS at the time of AnyConnect connection can be expected to have processing performance close to VPN throughput.

Intra-EPG Isolation is an option to prevent physical or virtual endpoint devices that are in the same base EPG or microsegmented (uSeg) EPG from communicating with each other. By default, endpoint devices included in the same EPG are allowed to communicate with one another.

https://confluence.netvizura.com/display/NVUG/Traditional+vs.+Flexible+NetFlow

A Port-Bounce Change of Authorization terminates the current session and administratively restarts the switch port. That link transition forces an agentless MAB endpoint to reconnect, repeat authentication, and restart its DHCP process, allowing it to obtain an address appropriate for the newly assigned IoT VLAN. A reauthentication CoA can rerun authorization while leaving the physical link up; many cameras and badge readers then retain the address learned on the original VLAN. A basic session termination similarly does not guarantee the link-state change required to trigger DHCP renewal. “CoA-Reconnect” is not the relevant Cisco ISE authorization-profile action, and an idle timeout would delay rather than immediately enforce the change. Consequently, the authorization profile must specify Port Bounce so the VLAN and IP configuration are both refreshed. Cisco ISE CoA guidance

The missing global command is dot1x system-auth-control, which activates 802.1X processing on the switch. The access interfaces must also operate as Port Access Entity authenticators, so dot1x pae authenticator is required on ports connected to workstation supplicants. Cisco’s Catalyst 9300 802.1X configuration guide identifies the global command and the interface PAE role as elements of port-based authentication. Dynamic authorization supports Change of Authorization and is not required to initiate authentication. A RADIUS source interface is unnecessary when connectivity and RADIUS addressing already work. The mab command enables MAC Authentication Bypass for devices without an 802.1X supplicant; these workstations have functioning supplicants, so MAB is not the missing 802.1X control. Thus, A and C address the failure described.

================

The issue is that the engineer is using the wrong hashing algorithm to generate the hash for the custom detection policy. Cisco AMP for Endpoints requires the use of SHA-256 hashes for simple custom detections, as stated in the Configure a Simple Custom Detection List on the AMP for Endpoints Portal document. SHA-256 hashes are 64 hexadecimal characters long, while MD5 hashes are 32 hexadecimal characters long. Therefore, if the engineer tries to upload a hash created using MD5, the dashboard will indicate that the hash is not 64 characters and is non-zero, as shown in the image below:

To resolve the issue, the engineer should use a tool or a website that can generate SHA-256 hashes from files, such as this one, and upload the correct hash to the custom detection list. References : Configure a Simple Custom Detection List on the AMP for Endpoints Portal, Create an Advanced Custom Detection List in Cisco Secure Endpoint, Working with Advanced Malware Protection (AMP) for Endpoints

Explanation

Explanation

Cisco Firepower NGFW Virtual (NGFWv) is the virtualized version of Cisco’s Firepower next generation firewall.

The Cisco NGFW virtual appliance is available in the AWS and Azure marketplaces. In AWS, it can be

deployed in routed and passive modes. Passive mode design requires ERSPAN, the Encapsulated Remote Switched Port Analyzer, which is currently not available in Azure.

In passive mode, NGFWv inspects packets like an Intrusion Detection System (IDS) appliance, but no action can be taken on the packet.

In routed mode NGFWv acts as a next hop for workloads. It can inspect packets and also take action on the packet based on rule and policy definitions.

A network administrator can transparently identify users using Active Directory on the Cisco WSA in two ways:

Create NTLM or Kerberos authentication realm and enable transparent user identification. This option allows the WSA to use the NTLM or Kerberos protocol to authenticate users without prompting them for credentials. The WSA must join the Active Directory domain and have a valid service principal name (SPN) for this option to work1.

Deploy a separate Active Directory agent such as Cisco Context Directory Agent (CDA). This option allows the WSA to receive user-to-IP mappings from the CDA, which monitors the Active Directory domain controllers for user logon events. The CDA must be installed on a Windows server and have access to the domain controllers and the WSA2.

The other options are not ways to transparently identify users using Active Directory on the Cisco WSA. Creating an LDAP authentication realm and disabling transparent user identification will require users to enter their credentials manually. Installing the eDirectory client on each client workstation or deploying a separate eDirectory server are not related to Active Directory, but to Novell eDirectory, which is a different directory service3.

References := 1: User Guide for AsyncOS 11.0 for Cisco Web Security Appliances, Chapter: Acquire End-User Credentials, Topic: Active Directory/Kerberos, page 4-3. 2: User Guide for AsyncOS 11.0 for Cisco Web Security Appliances, Chapter: Acquire End-User Credentials, Topic: Active Directory Agent, page 4-5. 3: User Guide for AsyncOS 11.0 for Cisco Web Security Appliances, Chapter: Acquire End-User Credentials, Topic: eDirectory, page 4-8.

 IKEv1 is the authentication protocol that is reliable and supports ACK and sequence for IPsec VPN. IKEv1 is a key management protocol that is used in conjunction with IPsec to establish secure and authenticated connections between IPsec peers. IKEv1 uses UDP port 500 and consists of two phases: phase 1 and phase 2. In phase 1, the peers authenticate each other and negotiate a shared secret key that is used to encrypt the subsequent messages. In phase 2, the peers negotiate the security parameters for the IPsec tunnel, such as the encryption and authentication algorithms, the lifetime, and the mode (transport or tunnel). IKEv1 uses ACK and sequence numbers to ensure the reliability and integrity of the messages exchanged between the peers. ACK is an acknowledgment message that confirms the receipt of a previous message. Sequence number is a unique identifier that is assigned to each message to prevent replay attacks and to detect missing or out-of-order messages. IKEv1 also supports various authentication methods, such as pre-shared keys, digital certificates, and extended authentication (XAUTH). References : Internet Key Exchange for IPsec VPNs Configuration Guide, Security for VPNs with IPsec Configuration Guide, IPSec Architecture

Explanation

All IKE policies on the device are sent to the remote peer regardless of what is in the selected policy section.

The first IKE Policy matched by the remote peer will be selected for the VPN connection. Choose which policy is sent first using the priority field. Priority 1 will be sent first.

VMware APIC is a platform that integrates with Cisco ACI to provide enhanced visibility, policy integration and deployment, and security policies with access lists. VMware APIC is a virtual appliance that runs on VMware vSphere and communicates with the Cisco APIC controller. VMware APIC allows administrators to create and manage Cisco ACI policies for VMware virtual machines and networks. VMware APIC also provides a unified view of the physical and virtual network topology, health, and statistics. VMware APIC supports the following modes of Cisco ACI and VMware integration:

VMware VDS: When integrated with Cisco ACI, the VMware vSphere Distributed Switch (VDS) enables administrators to configure VM networking in the ACI fabric.

Cisco ACI Virtual Edge: Cisco ACI Virtual Edge is a distributed service that provides Layer 4 to Layer 7 services for applications running on VMware vSphere.

Cisco Application Virtual Switch (AVS): Cisco AVS is a distributed virtual switch that provides policy-based network services for VMware vSphere environments. References:

Cisco ACI with VMware VDS Integration

Cisco ACI and VMware NSX-T Data Center Integration

Cisco ACI and VMware: The Perfect Pair

Setting the Record Straight: Confusion about ACI on VMware Technologies

Phishing attacks are a type of social engineering that aim to trick users into revealing their personal or financial information, or installing malware on their devices. To control phishing attacks, users and organizations need to implement various preventive and reactive measures, such as:

Enable browser alerts for fraudulent websites. Most modern browsers have built-in features that can warn users when they visit a website that is suspected of being malicious or impersonating a legitimate entity. These alerts can help users avoid falling for phishing scams that use fake web pages to capture their credentials or other sensitive data. For example, Google Chrome has a Safe Browsing feature that displays a red warning page when users try to access a deceptive site. Users should always pay attention to these alerts and avoid proceeding to untrusted sites.

Implement email filtering techniques. Email is one of the most common channels for phishing attacks, as attackers can send spoofed messages that appear to come from trusted sources, such as banks, government agencies, or colleagues. Email filtering techniques can help block or flag suspicious emails based on various criteria, such as the sender’s address, the subject line, the content, or the attachments. For example, Microsoft Outlook has a Junk Email Filter that can move potential phishing emails to a separate folder or delete them automatically. Users should also be careful not to open or reply to any unsolicited or unexpected emails, especially those that ask for personal or financial information, or contain links or attachments.

Other mechanisms that can help control phishing attacks include:

Use strong passwords and enable two-factor authentication. Even if users fall victim to phishing attacks and reveal their passwords, they can still protect their accounts by using strong and unique passwords for each service, and enabling two-factor authentication (2FA) whenever possible. 2FA adds an extra layer of security by requiring users to enter a code or a token that is sent to their phone or email, or generated by an app, in addition to their password. This way, even if attackers obtain the password, they cannot access the account without the second factor.

Don’t ignore update messages. Users should always keep their operating systems, browsers, and applications updated with the latest security patches and fixes. These updates can help prevent phishing attacks that exploit known vulnerabilities or bugs in the software. Users should also use antivirus and antispyware software that can detect and remove malware that may be installed by phishing attacks.

Exercise caution when opening emails or clicking on links. Users should always be skeptical and vigilant when they receive emails or messages that ask them to take urgent or unusual actions, such as verifying their account, updating their payment information, or downloading a file. Users should also check the sender’s address, the spelling and grammar, and the URL of any links before clicking on them. Users can hover over the link to see the actual destination, or use a link scanner tool, such as VirusTotal, to check if the link is malicious or not.

References :=

1: https://safebrowsing.google.com/ 2: https://support.microsoft.com/en-us/office/overview-of-the-junk-email-filter-5ae3ea8e-cf41-4fa0-b02a-3b96e21de089 3: https://www.virustotal.com/gui/home/url

DNS tunneling is a technique that exploits the DNS protocol to tunnel malware and other data through a client-server model. DNS tunneling can be used for data exfiltration, command and control, or IP-over-DNS tunneling. DNS tunneling works by encoding the information of other protocols or programs in DNS queries and responses. An attacker registers a domain, such as badsite.com, and sets up a malicious DNS server that can interpret the encoded data. The attacker then infects a client with malware that can send and receive DNS queries to the attacker’s domain. The malware can use DNS queries to request commands from the attacker, or to send sensitive data to the attacker. The DNS queries and responses look like normal DNS traffic, but they contain hidden data that can bypass network defenses123. References := 1: What Is DNS Tunneling? - Palo Alto Networks 2: What is DNS Tunneling? - Check Point Software 3: What Is DNS Tunneling and How to Detect and Prevent Attacks

A CoA request is a network protocol message used in the context of network access control and authentication systems. It is typically employed in scenarios where a user’s access privileges or attributes need to be modified during an active network session. CoA requests are commonly used in conjunction with the RADIUS protocol, which is widely used for managing user authentication and authorization in network environments. When a CoA request is initiated, it is sent by a network access server (NAS) to a RADIUS server to request a change in the user’s authorization state or attributes. The CoA request contains information specifying the desired change, such as granting additional access privileges, revoking existing privileges, modifying session parameters, or updating user attributes. The RADIUS server processes the CoA request and applies the necessary changes to the user’s session in real-time, allowing dynamic adjustments to the user’s authorization and network access. CoA requests are often utilized in scenarios where an administrator needs to promptly update a user’s access rights without requiring them to terminate their current session. This flexibility is particularly valuable in environments that demand fine-grained access control or where access privileges need to be adjusted based on changing circumstances or policies. References :=

Some possible references for this answer are:

RADIUS Change of Authorization - Cisco

What is a CoA Request? - Portnox

RADIUS Change of Authorization: Explained - Cloud RADIUS

The target in a phishing attack is the endpoint, which is the device or system that the user interacts with, such as a computer, smartphone, or tablet. Phishing attacks aim to steal or damage sensitive data by deceiving people into revealing personal information like passwords and credit card numbers, or clicking on malicious links or attachments that can install malware on the endpoint. Phishing attacks can be delivered through various channels, such as email, phone, or text message, but they all rely on social engineering techniques to manipulate the user’s trust and curiosity. By compromising the endpoint, attackers can gain access to the user’s accounts, files, network, or other resources. Therefore, endpoint security is essential to prevent phishing attacks and protect the user’s data and identity. References:

What Is a Phishing Attack? Definition and Types - Cisco

8 types of phishing attacks and how to identify them

What Is Phishing? | Microsoft Security

Phishing | What Is Phishing?

Explanation

Answer B is not correct because Cross-site Scripting (XSS) is not a brute force attack.

Answer C is not correct because the statement “Cross-site Scripting is when executives in a corporation are attacked” is not true. XSS is a client-side vulnerability that targets other application users.

Answer D is not correct because the statement “Cross-site Scripting is an attack where code is executed from the server side”. In fact, XSS is a method that exploits website vulnerability by injecting scripts that will run at client’s side.

Therefore only answer A is left. In XSS, an attacker will try to inject his malicious code (usually malicious links) into a database. When other users follow his links, their web browsers are redirected to websites where

attackers can steal data from them. In a SQL Injection, an attacker will try to inject SQL code (via his browser) into forms, cookies, or HTTP headers that do not use data sanitizing or validation methods of GET/POST

parameters.

Note: The main difference between a SQL and XSS injection attack is that SQL injection attacks are used to steal information from databases whereas XSS attacks are used to redirect users to websites where attackers can steal data from them.

Explanation

" configure INTRUSION RULES for DNP3 " - > Documentation states, that enabling INTRUSION RULES is mandatory for CIP to work + required preprocessors (in Network Access Policy - NAP) will be enabled automatically:

" If you want the CIP preprocessor rules listed in the following table to generate events, you MUST enable them. See Setting Intrusion Rule States for information on enabling rules. "

" If the Modbus, DNP3, or CIP preprocessor is disabled, and you enable and deploy an intrusion rule that requires one of these preprocessors, the system automatically uses the required preprocessor, with its current settings, although the preprocessor remains disabled in the web interface for the corresponding network analysis policy. "

[1] https://www.cisco.com/c/en/us/td/docs/security/firepower/630/configuration/guide/fpmc-config-guide-v63/scada_preprocessors.html

The crypto isakmp key command is used to configure a preshared key for ISAKMP authentication between two peers. The address 0.0.0.0 indicates that the key is valid for any peer address. Therefore, the same command must be entered on hostB with the same password in order to establish the tunnel with hostA. Changing the protocol to ikev2, using a different password, or changing the password to the default will not solve the problem, as they will create a mismatch in the authentication parameters. References:

Dynamic Multipoint VPN Configuration Guide, Cisco IOS Release 15M & T, section “Prerequisites for Dynamic Multipoint VPN (DMVPN)”

DMVPN - Concepts & Configuration, section “DMVPN - What is it?”

DMVPN Hub as the CA Server for the DMVPN Network Configuration Example, section “Prerequisites”

Explanation

Because MAB uses the MAC address as a username and password, you should make sure that the RADIUS server can differentiate MAB requests from other types of requests for network access. This precaution will prevent other clients from attempting to use a MAC address as a valid credential. Cisco switches uniquely

identify MAB requests by setting Attribute 6 (Service-Type) to 10 (Call-Check) in a MAB Access-Request

message. Therefore, you can use Attribute 6 to filter MAB requests at the RADIUS server.

To deploy Cisco WSA in transparent mode, the configuration component that must be used is WCCP on switch. WCCP stands for Web Cache Communication Protocol, which is a protocol that allows a network device (such as a switch) to redirect web traffic to a proxy server (such as Cisco WSA) transparently. This means that the client does not need to configure any proxy settings on the browser, and the proxy server can intercept and process the web requests and responses without the client’s knowledge. WCCP can also provide load balancing and failover capabilities for multiple proxy servers.

The other options are incorrect because they are not required or relevant for transparent mode deployment. Option A is incorrect because MDA (Multilink PPP Dial Access) is a feature that allows multiple physical links to be aggregated into a single logical link for dial-up connections. It has nothing to do with transparent mode. Option B is incorrect because PBR (Policy-Based Routing) is a feature that allows routing decisions to be based on criteria other than the destination IP address, such as source IP address, protocol, port, etc. It is not necessary for transparent mode, as WCCP can handle the traffic redirection. Option D is incorrect because DNS resolution on Cisco WSA is not a configuration component, but a function that allows the proxy server to resolve domain names to IP addresses. It is not specific to transparent mode, as it is also used in explicit mode. References:

What is the difference between transparent and forward proxy mode?

User Guide for AsyncOS 12.7 for Cisco Web Security Appliances - LD (Limited Deployment) - Acquire End-User Credentials

Cisco WSA : Is it possible to use web proxy in transparent mode without WCCP?

Explanation

Phishing attacks are the practice of sending fraudulent communications that appear to come from a reputable

source. It is usually done through email. The goal is to steal sensitive data like credit card and login information,

or to install malware on the victim’s machine.

 The management port on Cisco FMC is used to establish a secure connection with the managed Cisco FTD devices. If the default management port (8305) conflicts with other communications on the network, it must be changed on both the Cisco FMC and the Cisco FTD devices. This cannot be done automatically by the Cisco FMC, as it would lose connectivity with the devices. Therefore, the administrator must manually change the management port on the Cisco FMC and all the managed Cisco FTD devices using the command line interface (CLI). The steps to change the management port are as follows:

Log into the CLI of the Cisco FMC and the Cisco FTD devices using a console connection or SSH.

Enter the configure network {ipv4 | ipv6} manual ip_address netmask data-interfaces command to change the management port on the Cisco FMC. For example, configure network ipv4 manual 10.10.10.10 255.255.255.0 data-interfaces changes the management port to 10.10.10.10/24.

Enter the configure network {ipv4 | ipv6} manual ip_address netmask gateway management-only command to change the management port on the Cisco FTD devices. For example, configure network ipv4 manual 10.10.10.11 255.255.255.0 10.10.10.10 management-only changes the management port to 10.10.10.11/24 and sets the gateway to the Cisco FMC’s management port.

Save the configuration and restart the Cisco FMC and the Cisco FTD devices.

Verify the connectivity between the Cisco FMC and the Cisco FTD devices using the show managers command on the Cisco FTD devices and the show devices command on the Cisco FMC.

References :=

Firepower Management Center Device Configuration Guide, 7.1 - Device Management

Change management port fmc 1600 - Cisco Community

Solved: FMC 2120 FTD Management Only Port - Cisco Community

Change the FMC Access Interface from Management to Data

Explanation

Explanation

The following are the prerequisites to integrate Active Directory with Cisco ISE.

+ Use the Network Time Protocol (NTP) server settings to synchronize the time between the Cisco ISE server

and Active Directory. You can configure NTP settings from Cisco ISE CLI.

+ If your Active Directory structure has multidomain forest or is divided into multiple forests, ensure that trust

relationships exist between the domain to which Cisco ISE is connected and the other domains that have user

and machine information to which you need access. For more information on establishing trust relationships,

refer to Microsoft Active Directory documentation.

+ You must have at least one global catalog server operational and accessible by Cisco ISE, in the domain to

which you are joining Cisco ISE.

The requirement has two parts: govern use of generative AI destinations and inspect content for sensitive information. An AI Guardrail rule supplies application-specific control for AI interactions and can monitor or block prompts, responses, and supported file uploads. A Data Loss Prevention policy supplies the content inspection by matching configured data identifiers and classifications, then enforcing the selected action when customer-account data is detected. Cisco’s Secure Access guidance explicitly describes DLP rules that can monitor or block prompts, responses, and embedded files exchanged with selected AI applications. Blocking every HTTPS connection on port 443 or disabling all browsing would be excessively broad and would prevent legitimate business traffic. An endpoint firewall rule based on known service IP addresses neither performs content classification nor reliably covers cloud services whose addresses change. Consequently, the required pair is AI Guardrails plus DLP. Cisco Secure Access DLP guidance

The intelligent proxy is a feature of Cisco Umbrella that allows it to selectively inspect and proxy web requests for domains that are classified as risky or potentially malicious. These domains may contain both safe and harmful content, and the intelligent proxy can filter out the malicious files or URLs while allowing the benign ones to pass through. The intelligent proxy can also apply SSL decryption to inspect encrypted traffic and enforce policies based on the content or destination of the web requests. To enable the intelligent proxy, an engineer needs to configure it within the Cisco Umbrella dashboard and select the categories of domains that should be proxied. The categories are based on the domain reputation and security risk, and range from High Risk to Low Risk. The engineer can also customize the list of domains to include or exclude from the intelligent proxy. By configuring the intelligent proxy, the engineer can achieve the objectives of identifying and proxying traffic that is categorized as risky domains and may contain safe and malicious content. References :=

Some possible references are:

Enable the Intelligent Proxy - Umbrella User Guide, Cisco

Manage the Intelligent Proxy - Umbrella User Guide, Cisco

Intelligent Proxy in Cisco Umbrella how it works, Cisco Learning Network

What is the Intelligent Proxy? - MSP User Guide, Cisco

Cisco Umbrella Intelligent Proxy and SSL Decryption implementation, Cisco Community

Explanation

Community Cloud allows system and services to be accessible by group of organizations. It shares the

infrastructure between several organizations from a specific community. It may be managed internally by

organizations or by the third-party.

Explanation

You can configure your ASA FirePOWER module using one of the following deployment models:

You can configure your ASA FirePOWER module in either an inline or a monitor-only (inline tap or

passive) deployment.

Endpoint-based security is the solution for performing signature-based application control, which is a method of identifying and blocking malicious applications based on their signatures or hashes. Signature-based application control is one of the features of endpoint security solutions, such as Cisco AMP for Endpoints1, that protect endpoints from known and unknown threats. Endpoint security solutions can also perform other functions, such as behavioral analysis, sandboxing, machine learning, and threat hunting, to provide comprehensive protection, detection, and response on the endpoint2. The other options are not scenarios where endpoint-based security is the solution. Inspecting encrypted traffic requires a network-based security solution, such as Cisco SSL Appliance3, that can decrypt and inspect the traffic for malicious content. Device profiling and authorization requires a network access control solution, such as Cisco Identity Services Engine4, that can identify and authenticate devices and users and enforce policies based on their roles and contexts. Inspecting a password-protected archive requires a file analysis solution, such as Cisco Threat Grid5, that can extract and analyze the contents of the archive for malware and indicators of compromise. References :=

Cisco AMP for Endpoints

What is Endpoint Security? How Does It Work?

Cisco SSL Appliance

Cisco Identity Services Engine

Cisco Threat Grid

Web Cache Communication Protocol (WCCP) is supported on Cisco IOS routers and Cisco ASA firewalls. WCCP allows these devices to redirect traffic to a WCCP-capable device, such as a web cache or a Cisco Secure Web Appliance, for processing. This redirection can be used for tasks like content filtering, web caching, and load balancing.

The W32/AutoRun worm is a type of malware that spreads through removable drives, such as USB flash drives, and modifies the autorun.inf file to execute itself when the drive is inserted. The worm also attempts to connect to a remote server and download additional malicious files. One of the features of this worm is that it generates random domain names based on the current date and time, and sends DNS requests to these domains. This is a technique to evade detection and analysis, as well as to communicate with the command and control server. The DNS requests generated by the worm have a distinctive pattern, such as the length of the domain name, the number of subdomains, and the use of redacted characters. By comparing these features to the expected behavior of normal DNS requests, security analysts can identify the presence of the worm and block its traffic. References :=

Some possible references are:

W32/AutoRun worm

DNS requests malicious attack

Four major DNS attack types and how to mitigate them

NAT exemption is required because the packet capture proves that the protected private traffic is being translated before IPsec processing. That changes the source address so the packet no longer matches the configured interesting-traffic selectors, preventing it from entering the intended security association. Cisco’s Secure Firewall NAT guidance states that traffic crossing a site-to-site VPN must be exempted from interface NAT rules; otherwise, it can be dropped or routed outside the tunnel. An identity NAT/NAT-exemption rule matching the local and remote subnet pair preserves the original addresses. The IKEv2 proposal, preshared key, transform set, access policy, and crypto-map placement are already validated. Fragmentation does not correct address translation, and neither a new tunnel group nor a prefilter attachment resolves the selector mismatch shown in the capture.

================

Explanation

Explanation

Each rule also has an action, which determines whether you monitor, trust, block, or allow matching traffic.

Note: With action “trust”, Firepower does not do any more inspection on the traffic. There will be no intrusion protection and also no file-policy on this traffic.

Explanation

The profiling service issues the change of authorization in the following cases:

– Endpoint deleted—When an endpoint is deleted from the Endpoints page and the endpoint is disconnected

or removed from the network.

An exception action is configured—If you have an exception action configured per profile that leads to an

unusual or an unacceptable event from that endpoint. The profiling service moves the endpoint to the

corresponding static profile by issuing a CoA.

– An endpoint is profiled for the first time—When an endpoint is not statically assigned and profiled for the first time; for example, the profile changes from an unknown to a known profile.

+ An endpoint identity group has changed—When an endpoint is added or removed from an endpoint identity group that is used by an authorization policy.

The profiling service issues a CoA when there is any change in an endpoint identity group, and the endpoint identity group is used in the authorization policy for the following:

++ The endpoint identity group changes for endpoints when they are dynamically profiled

++ The endpoint identity group changes when the static assignment flag is set to true for a dynamic endpoint – An endpoint profiling policy has changed and the policy is used in an authorization policy—When an endpoint profiling policy changes, and the policy is included in a logical profile that is used in an authorization policy. The endpoint profiling policy may change due to the profiling policy match or when an endpoint is statically assigned to an endpoint profiling policy, which is associated to a logical profile. In both the cases, the profiling service issues a CoA, only when the endpoint profiling policy is used in an authorization policy.

Explanation

A buffer overflow (or buffer overrun) occurs when the volume of data exceeds the storage capacity of the memory buffer. As a result, the program attempting to write the data to the buffer overwrites adjacent memory locations.

Buffer overflow is a vulnerability in low level codes of C and C++. An attacker can cause the program to crash, make data corrupt, steal some private information or run his/her own code. It basically means to access any buffer outside of it’s alloted memory space. This happens quite frequently in the case of arrays.

Explanation

The HMAC-SHA-1-96 (also known as HMAC-SHA-1) encryption technique is used by IPSec to ensure that a message has not been altered. (- > Therefore answer “integrity” is the best choice). HMAC-SHA-1 uses the SHA-1 specified in FIPS-190-1, combined with HMAC (as per RFC 2104), and is described in RFC 2404.

Explanation

Malware means “malicious software”, is any software intentionally designed to cause damage to a computer, server, client, or computer network. The most popular types of malware includes viruses, ransomware and spyware. Virus Possibly the most common type of malware, viruses attach their malicious code to clean code and wait to be run.

Ransomware is malicious software that infects your computer and displays messages demanding a fee to be paid in order for your system to work again.

Spyware is spying software that can secretly record everything you enter, upload, download, and store on your computers or mobile devices. Spyware always tries to keep itself hidden.

An exploit is a code that takes advantage of a software vulnerability or security flaw.

Exploits and malware are two risks for endpoints that are not up to date. ARP spoofing and eavesdropping are attacks against the network while denial-of-service attack is based on the flooding of IP packets.

Workload security models refer to the ways of protecting applications, services, and capabilities that run on a cloud resource. There are different types of cloud deployment models, such as public, private, hybrid, and multicloud, and different types of cloud service models, such as IaaS, PaaS, and SaaS. However, these are not workload security models, but rather ways of describing the cloud environment and the level of abstraction. Workload security models are more focused on the location and ownership of the workloads, and how they are secured. The two main workload security models are off-premises and on-premises. Off-premises workload security model means that the workloads are hosted and managed by a third-party cloud service provider, such as AWS, Azure, or GCP. The cloud service provider is responsible for the security of the underlying infrastructure, such as the physical servers, network devices, storage systems, and hypervisors. The customer is responsible for the security of the workloads themselves, such as the guest operating systems, applications, data, and users. The customer can use various tools and techniques to secure their workloads, such as encryption, firewalls, identity and access management, vulnerability scanning, and logging and monitoring. On-premises workload security model means that the workloads are hosted and managed by the customer on their own data center or private cloud. The customer is responsible for the security of both the infrastructure and the workloads, and has full control and visibility over them. The customer can use similar tools and techniques as the off-premises model, but also has to deal with the physical security, network security, and compliance requirements of their own environment. References:

What Is Workload Security? On-Premises, Cloud, Kubernetes, and More

What is Cloud Workload Security? - CyberArk

What is Cloud Workload Protection? | Workload Security | VMware

What is Cloud Workload Security? - Check Point Software

Introduction To Classic Security Models - GeeksforGeeks

URL conditions in access control rules allow you to limit the websites that users on your network can access. This feature is called URL filtering. There are two ways you can use access control to specify URLs you want to block (or, conversely, allow):

– With any license, you can manually specify individual URLs, groups of URLs, and URL lists and feeds to achieve granular, custom control over web traffic.

– With a URL Filtering license, you can also control access to websites based on the URL’s general

classification, or category, and risk level, or reputation. The system displays this category and reputation data in connection logs, intrusion events, and application details.

Using category and reputation data also simplifies policy creation and administration. It grants you assurance that the system will control web traffic as expected. Finally, because Cisco’s threat intelligence is continually updated with new URLs, as well as new categories and risks for existing URLs, you can ensure that the system uses up-to-date information to filter requested URLs. Malicious sites that represent security threats such as malware, spam, botnets, and phishing may appear and disappear faster than you can update and deploy new policies.

Mobile device management (MDM) is a solution that allows organizations to manage and secure mobile devices such as smartphones and tablets. MDM can provide two security benefits:

Robust security policy enforcement: MDM can enforce strong security practices and hygiene by defining unified settings that can be applied across your fleet. This centralized software ensures all devices are continuously staying in compliance. For example, MDM can configure settings like full-disk encryption, screen locks, password policies, device restrictions, VPN, firewall, antivirus, and more. MDM can also prevent unwanted or risky software from being installed, and remotely lock or wipe devices if they are lost, stolen, or compromised1.

Privacy control checks: MDM can help organizations stay compliant with privacy regulations and protect sensitive data from unauthorized access. MDM can segment personal and corporate data on devices, and selectively wipe only corporate data when needed. MDM can also monitor device usage and location, and alert administrators of any suspicious or anomalous behavior. MDM can also provide secure containers for sensitive documents and content, and encrypt data in transit and at rest23.

The forwarder must know every receiving indexer and receive that configuration through a scalable deployment mechanism. In outputs.conf, a TCP output target group lists the indexer addresses and receiving ports, allowing forwarding traffic to be load-balanced automatically among those destinations. With thousands of Universal Forwarders, the practical method is to package outputs.conf in an application and distribute it through a Splunk deployment server. Disabling load balancing contradicts the distribution requirement. A local file share and scheduled copy operation bypass normal continuous forwarding and introduce delivery and integrity risks. Configuring a single forced primary indexer would concentrate traffic and create a potential bottleneck or failure point. Queue sizing may improve buffering but does not define the indexer destinations or distribute the configuration centrally. Splunk outputs.conf specification

================

 Cisco Umbrella evaluates policies from the top down and looks for a matching identity and destination. Once a match is found, Umbrella applies that policy’s settings to the identity and destination and stops evaluating all other DNS policies. Therefore, to ensure that the policy that the identity must use takes precedence over the second one, the engineer should make the correct policy first in the policy order. This way, Umbrella will match the identity to the correct policy before checking the second policy. The other options are not correct because they do not guarantee that the identity will use the correct policy. Configuring the default policy to redirect the requests to the correct policy will not work if the identity matches another policy before the default one. Placing the policy with the most-specific configuration last in the policy order will not work if the identity matches a less-specific policy before the last one. Configuring only the policy with the most recently changed timestamp will not work if the identity matches an older policy before the newer one. References :=

Some possible references are:

Policy Precedence - Umbrella User Guide1

Manage Policies - Umbrella User Guide2

Umbrella Policy order - Cisco Community3

Explanation

Explanation

To configure an NTP enabled router to require authentication when other devices connect to it, use the

following commands:

NTP_Server(config)#ntp authentication-key 2 md5 securitytut

NTP_Server(config)#ntp authenticate

NTP_Server(config)#ntp trusted-key 2

Then you must configure the same authentication-key on the client router:

NTP_Client(config)#ntp authentication-key 2 md5 securitytut

NTP_Client(config)#ntp authenticate

NTP_Client(config)#ntp trusted-key 2

NTP_Client(config)#ntp server 10.10.10.1 key 2

Note: To configure a Cisco device as a NTP client, use the command ntp server < IP address > . For example:

Router(config)#ntp server 10.10.10.1. This command will instruct the router to query 10.10.10.1 for the time.

 Cisco AMP for Endpoints and Cisco Umbrella Roaming Client are both security solutions that protect mobile users from threats, but they have different functions and features. Cisco AMP for Endpoints is a cloud-managed endpoint security solution that stops and tracks malicious activity on hosts, such as malware execution, file behavior, and command-and-control callbacks. It also provides threat intelligence, sandboxing, and retrospective analysis to detect and respond to advanced threats. Cisco Umbrella Roaming Client is a lightweight DNS client that tracks only URL-based threats, such as phishing, ransomware, and botnets. It prevents connections to malicious domains and IP addresses, and provides visibility and enforcement for off-network devices. It also integrates with Cisco AnyConnect VPN client to provide seamless protection for VPN and non-VPN traffic. Therefore, the functional difference between Cisco AMP for Endpoints and Cisco Umbrella Roaming Client is that AMP for Endpoints stops and tracks malicious activity on hosts, and the Umbrella Roaming Client tracks only URL-based threats. References :=

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Endpoint Protection and Detection, Lesson 3.1: Cisco AMP for Endpoints Overview

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Endpoint Protection and Detection, Lesson 3.2: Cisco AMP for Endpoints Architecture and Components

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Endpoint Protection and Detection, Lesson 3.3: Cisco AMP for Endpoints Installation and Configuration

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Endpoint Protection and Detection, Lesson 3.4: Cisco AMP for Endpoints Analysis and Response

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Endpoint Protection and Detection, Lesson 3.5: Cisco Umbrella Overview

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Endpoint Protection and Detection, Lesson 3.6: Cisco Umbrella Architecture and Components

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Endpoint Protection and Detection, Lesson 3.7: Cisco Umbrella Roaming Client

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 3: Endpoint Protection and Detection, Lesson 3.8: Cisco Umbrella Policies and Reporting

Best Mobile Cybersecurity Solution - Cisco Umbrella

 To add switches into the fabric, administrators can use PowerOn Auto Provisioning (POAP) or Seed IP methods. POAP is a feature that automates the process of upgrading software images and installing configuration files on Cisco switches that are being deployed in the network for the first time. Seed IP is a method that allows administrators to specify the IP address of a switch that is already part of the fabric, and then use it to discover and add other switches that are connected to it. Both methods enable administrators to control how switches are added into DCNM for private cloud management. References:

POAP, section “PowerOn Auto Provisioning (POAP)”.

Seed IP, section “Add Switches”.

https://www.cisco.com/c/en/us/td/docs/security/ise/1-4-1/admin_guide/b_ise_admin_guide_141/b_ise_admin_guide_141_chapter_01110.html

 The Python script accomplishes the following tasks:

It imports the required libraries for HTTP, base64, SSL, and sys modules.

It takes the host, user, and password information from the command line arguments and assigns them to variables.

It creates an HTTPS connection object using the host and port 9060, and specifies the SSL protocol as TLSv1_2.

It encodes the user and password information in base64 format for basic HTTP authentication.

It sets the headers for the HTTP request, including the accept, authorization, and cache-control fields.

It sends a GET request to the Cisco ISE server to retrieve information from the “/ers/config/internaluser/” endpoint, which returns the list of internal users configured on Cisco ISE.

It reads the response from the server and prints the status, headers, and body in a human-readable format.

The script authenticates to the Cisco ISE server using the username of ersad and the password of Password1, and retrieves the internal user information from the server.

Joining Cisco WSAs to an appliance group simplifies the task of patching multiple appliances. An appliance group is a collection of WSAs that share the same configuration settings and software versions. Administrators can use appliance groups to apply configuration changes and software updates to multiple WSAs at once, instead of performing these tasks individually for each appliance12. This reduces the administrative overhead and ensures consistency across the WSAs. References:

Appliance groups, section “Appliance Groups”.

What is the purpose of joining Cisco WSAs to an appliance group?

The debug crypto isakmp sa command shows the status of the Internet Security Association and Key Management Protocol (ISAKMP) security associations (SAs). The output of this command indicates that the ISAKMP negotiation failed after several retransmissions. The most likely cause of this failure is a mismatch in the authentication key between the two peers. The authentication key is specified by the crypto isakmp key command and must be the same on both routers. If the authentication key is different, the ISAKMP messages cannot be decrypted and verified by the peers, resulting in an error. To fix this problem, the network administrator should verify and correct the authentication key on both routers and clear the existing ISAKMP SAs with the clear crypto isakmp sa command. References: 1, 2, 3, 4

To route inbound email to Cisco Cloud Email Security (CES), the engineer must modify the MX record of the domain to point to the CES hostname or IP address. The MX record is a DNS record that specifies the mail server responsible for accepting email messages on behalf of a domain name. By changing the MX record, the engineer can direct all incoming email traffic to the CES gateway, where it can be filtered and scanned for threats before being delivered to the Microsoft Office 365 mailboxes. The other options are not relevant for this task. A CNAME record is a DNS record that maps an alias name to a canonical name. An SPF record is a DNS record that identifies the authorized senders of email for a domain. A DKIM record is a DNS record that contains a public key for verifying the digital signature of email messages sent from a domain. References :=

Some possible references for this question are:

Configure Microsoft 365 with Secure Email

Configure Microsoft 365 with Secure Email - More

[Cisco Cloud Email Security - Configuration Guide]

Mobile device management (MDM) is a solution that allows organizations to monitor and manage mobile devices such as smartphones, tablets, and laptops. MDM provides features such as inventory and device tracking, remote view, live troubleshooting, remote device locking, device wipe, application management, certificate management, and self-service PIN changes. MDM can help organizations secure their devices, control access to corporate data, and enforce security policies on mobile endpoints. Cisco offers MDM solutions such as Cisco Meraki Systems Manager and Cisco Business Mobile app, which are cloud-based and integrated with other Cisco security products. References:

Cisco Meraki Systems Manager

Mobile Device Management in the Meraki Cloud

What Is Endpoint Management?

Device Management using Cisco Business Mobile App

The zero-trust model is a modern security strategy that assumes breach and verifies each request as though it originates from an open network. The main concept behind the zero-trust model is “never trust, always verify”, which means that users and devices should not be trusted by default, even if they are connected to a permissioned network such as a corporate LAN and even if they were previously verified12

One of the principles of the zero-trust model is to verify explicitly, which means to always authenticate and authorize based on all available data points, including user identity, location, device health, service or workload, data classification, and anomalies13 To achieve this, the zero-trust model recommends using multifactor authentication (MFA), which is a method of verifying a user’s identity by requiring two or more pieces of evidence, such as something the user knows (e.g., password, PIN), something the user has (e.g., token, smart card), or something the user is (e.g., fingerprint, face scan). MFA provides a higher level of security than using only a single factor, such as a password, which can be easily compromised or guessed. MFA also reduces the risk of unauthorized access to corporate applications and resources, which may contain sensitive or confidential information.

Therefore, the recommendation in a zero-trust model before granting access to corporate applications and resources is to use multifactor authentication, as it ensures that only verified and authorized users and devices can access the data they need, and nothing more13

References := 1: Zero Trust Model - Modern Security Architecture | Microsoft Security 2: Zero trust security model - Wikipedia 3: What is Zero Trust? | Microsoft Learn : Multifactor Authentication (MFA) | Cisco

single methods of authentication can be compromised more easily than MFA. MFA, or multi-factor authentication, is a security process that requires users to provide two or more factors to verify their identity and access resources. MFA reduces the risk of unauthorized access by making it harder for attackers to compromise all the factors needed, especially if they are different in nature, such as something you know (password), something you have (token), and something you are (biometric).

To understand the concept of MFA and why it is important for authentication security, you can refer to the following sections of the source book:

Section 1.1.1: Describe the concepts of identity and access management

Section 1.1.1.1: Describe the concepts of identity principles

Section 1.1.1.2: Describe the concepts of authentication

Section 1.1.1.3: Describe the concepts of authorization

Section 1.1.1.4: Describe the concepts of accounting

Section 1.1.1.5: Describe the concepts of identity stores

Section 1.1.1.6: Describe the concepts of MFA

Explanation

Symmetric encryption uses a single key that needs to be shared among the people who need to receive the message while asymmetric encryption uses a pair of public key and a private key to encrypt and decrypt messages when communicating.

Asymmetric encryption takes relatively more time than the symmetric encryption.

Diffie Hellman algorithm is an asymmetric algorithm used to establish a shared secret for a symmetric key

algorithm. Nowadays most of the people uses hybrid crypto system i.e, combination of symmetric and

asymmetric encryption. Asymmetric Encryption is used as a technique in key exchange mechanism to share secret key and after the key is shared between sender and receiver, the communication will take place using symmetric encryption. The shared secret key will be used to encrypt the communication.

Triple DES (3DES), a symmetric-key algorithm for the encryption of electronic data, is the successor of DES (Data Encryption Standard) and provides more secure encryption then DES.

Note: Although “requires secret keys” option in this question is a bit unclear but it can only be assigned to

Symmetric algorithm.

Explanation

Explanation

Cisco FTD devices, Cisco Firepower devices, and the Cisco ASA FirePOWER modules can be managed by

the Firepower Management Center (FMC), formerly known as the FireSIGHT Management Center - > Answer D

is not correct

Explanation

Posture is a service in Cisco Identity Services Engine (Cisco ISE) that allows you to check the state, also

known as posture, of all the endpoints that are connecting to a network for compliance with corporate security

policies.

A posture policy is a collection of posture requirements that are associated with one or more identity groups and

operating systems.

Posture-policy requirements can be set to mandatory, optional, or audit types in posture policies.

+ If a mandatory requirement fails, the user will be moved to Non-Compliant state

+ If an optional requirement fails, the user is allowed to skip the specified optional requirements and the user

is moved to Compliant state

This Qdid not clearly specify the type of posture policy requirement (mandatory or optional) is not met so the

user can be in Non-compliant or compliant state. But “noncompliant” is the best answer here.

Cisco Stealthwatch is a security solution that uses NetFlow to provide visibility across the network, data center, branch offices, and cloud. NetFlow is a protocol that collects and exports statistics on network traffic flows from routers, switches, firewalls, and other devices. NetFlow data can be used to monitor network performance, troubleshoot issues, detect anomalies, and identify security threats. Cisco Stealthwatch analyzes NetFlow data from various sources and correlates it with other contextual information, such as identity, device, location, and threat intelligence. Cisco Stealthwatch then applies advanced behavioral analytics and machine learning to detect and respond to malicious activities, such as data exfiltration, malware infection, insider threats, and denial-of-service attacks. Cisco Stealthwatch also provides comprehensive network visibility and security across hybrid environments, including public cloud, private cloud, and on-premises networks. Cisco Stealthwatch can integrate with other Cisco security solutions, such as Cisco Identity Services Engine (ISE), Cisco Firepower, Cisco Umbrella, and Cisco Advanced Malware Protection (AMP), to enhance network security and incident response capabilities. References:

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0, Module 8: Cloud and Virtual Network Security, Lesson 8.2: Cisco Stealthwatch Cloud

Cisco Stealthwatch

NetFlow for Cybersecurity and Incident Response

B

Cisco Catalyst Center Software Image Management separates image deployment into distribution and activation operations. POST /dna/intent/api/v1/image/distribution copies a previously imported software image from Catalyst Center to the selected device. After the image is present in device flash, POST /dna/intent/api/v1/image/activation/device schedules or triggers activation by using the device UUID and image UUID. Both operations are asynchronous, so automation should monitor the returned task information. The Plug and Play import endpoint onboards device records and does not distribute software. The network site endpoint manages hierarchy or site data, while the template-programmer endpoint creates configuration templates. Neither performs Software Image Management. Therefore, requests A and C are the two calls that implement the required distribute-then-activate workflow. Cisco Catalyst Center distribution API Cisco Catalyst Center activation API

Explanation

Explanation

Cisco standard NetFlow version 5 defines a flow as a unidirectional sequence of packets that all share seven values which define a unique key for the flow:

+ Ingress interface (SNMP ifIndex)

+ Source IP address

+ Destination IP address

+ IP protocol

+ Source port for UDP or TCP, 0 for other protocols

+ Destination port for UDP or TCP, type and code for ICMP, or 0 for other protocols

+ IP Type of Service

Note: A flow is a unidirectional series of packets between a given source and destination.

Session hijacking succeeds when an attacker obtains or abuses a valid session identifier, commonly one stored in a browser cookie. Secure cookie controls directly protect that credential. The Secure attribute limits transmission to HTTPS, reducing exposure over cleartext connections; HttpOnly prevents client-side scripts from reading the cookie; and an appropriate SameSite setting limits cross-site sending. Strong session handling should also use unpredictable identifiers, rotation after authentication, expiration, and server-side revocation. Input validation primarily mitigates injection vulnerabilities. Least privilege can reduce the damage after compromise but does not stop theft of a session token. Anti-CSRF tokens prevent unauthorized cross-site requests made through a victim’s authenticated browser, but they are not the primary protection against capture of the session cookie itself. Therefore, secure cookies are the best answer. RFC 6265 HTTP cookie specification

Explanation

We choose “Chat and Instant Messaging” category in “URL Category”:

To block certain URLs we need to choose URL Reputation from 6 to 10.

 The error 403: Forbidden indicates that the web server denied access to the requested resource, which in this case is the PCAP file. One possible reason for this error is that the HTTPS server is not enabled for the device platform policy, which is a configuration that applies to the FTD devices managed by the FMC. The device platform policy defines the settings for the management interface, the SSH access, the SNMP, the NTP, the DNS, and the HTTPS server. The HTTPS server allows the FMC to access the FTD devices via HTTPS and perform tasks such as packet capture, packet tracer, and file transfer. If the HTTPS server is not enabled for the device platform policy, the FMC cannot access the PCAP file from the FTD device via HTTPS. Therefore, the engineer must enable the HTTPS server for the device platform policy in order to resolve this issue. To enable the HTTPS server for the device platform policy, the engineer must follow these steps:

Log in to the FMC web interface and navigate to Devices > Platform Settings.

Select the device platform policy that applies to the FTD device and click Edit.

In the General tab, check the Enable HTTPS Server checkbox and click Save.

Deploy the policy changes to the FTD device and wait for the deployment to complete.

Try to access the PCAP file again from the FMC web browser using the same address.

Alternatively, the engineer can also enable the HTTPS server for the FTD device from the FTD CLI using the command configure network https-server enable. However, this method is not recommended because it may cause a configuration conflict with the FMC123

References := 1: Use Firepower Threat Defense Captures and Packet Tracer - Cisco 2: Cisco Firepower Threat Defense Configuration Guide for Firepower Device Manager, Version 6.6 - Device Management Basics [Cisco Firepower NGFW] - Cisco 3: Cisco Firepower Threat Defense Command Reference - C through D Commands [Cisco Firepower NGFW] - Cisco

The ip radius source-interface command is needed for this configuration because it forces RADIUS to use the IP address of a specified interface for all outgoing RADIUS packets. This ensures that the RADIUS server can identify the source of the requests and apply the appropriate policies. If this command is not used, RADIUS will use the IP address of the interface that is closest to the destination, which may not match the configured NAS IP on the RADIUS server. This can cause the RADIUS server to reject the requests as unauthorized12. References:

1: RADIUS source interface - Cisco Community

2: RADIUS Commands - Cisco

 Cisco Cloudlock is a cloud-native cloud access security broker (CASB) that helps you move to the cloud safely. It protects your cloud users, data, and apps. Cloudlock’s simple, open, and automated approach uses APIs to manage the risks in your cloud app ecosystem. Cloudlock integrates with cloud applications like Dropbox and Office 365 by providing visibility, compliance, threat protection, and data security. Cloudlock can detect and prevent data exfiltration by applying data loss prevention (DLP) policies, encrypting sensitive data, and alerting or blocking unauthorized activities. Cloudlock also supports cloud app discovery and risk assessment, user and entity behavior analytics (UEBA), and cloud app firewall12. References: 1: Cisco Cloudlock - Cisco 2: Cisco Cloudlock Privacy Data Sheet

Explanation

Application layer protocols can represent the same data in a variety of ways. The Firepower System provides

application layer protocol decoders that normalize specific types of packet data into formats that the intrusion

rules engine can analyze. Normalizing application-layer protocol encodings allows the rules engine to effectively

apply the same content-related rules to packets whose data is represented differently and obtain meaningful

results.

In a Cisco Secure Workload implementation, telemetry data can be generated from IPFIX (Internet Protocol Flow Information Export) records using NetFlow connectors and Cisco Secure Workload itself. NetFlow provides insights into network traffic flow and volume, while Cisco Secure Workload uses this data for visibility, segmentation, and security analytics within the data center.

MM_WAIT_MSG_6 means the initiator has reached the authentication portion of IKEv1 Main Mode but has not completed Phase 1. Cisco’s troubleshooting guidance specifically associates this state with a mismatched pre-shared key and directs administrators to re-enter matching keys on both peers. Connectivity and UDP port 500 have already been validated, eliminating basic reachability as the cause. The question also confirms that encryption, hashing, DH group, and lifetime match, so option C cannot resolve the failure. IPsec transform sets apply to Phase 2, whereas the displayed failure occurs in Phase 1; therefore, option D is irrelevant. Peer identity can matter in some tunnel-group selection scenarios, but the documented diagnosis for this exact state is an inconsistent PSK. The correct action is option B. Cisco IPsec VPN troubleshooting guide

Cisco Tetration is a Cisco security solution that provides patch management in the cloud. Patch management is the process of identifying, acquiring, installing, and verifying patches for products and systems to correct security and functionality problems in software and firmware1. Cisco Tetration is a cloud-native platform that delivers comprehensive workload protection for multicloud data centers by enabling a zero-trust model using segmentation2. One of the features of Cisco Tetration is software vulnerability detection and patch management, which allows users to identify software vulnerabilities on workloads, prioritize patching based on risk scores, and automate patch deployment using orchestration tools3. Cisco Tetration leverages the National Vulnerability Database (NVD) and Cisco Talos Intelligence Group to provide up-to-date information on software vulnerabilities and their severity levels3. Cisco Tetration also supports patch management for both Windows and Linux operating systems, as well as third-party applications such as Apache, Java, MySQL, and Oracle4. Therefore, the correct answer is D. Cisco Tetration. References: 1: RFC 9232: Network Telemetry Framework - Internet Engineering Task Force 2: Cisco Tetration - Workload Protection - Cisco 3: Cisco Tetration Software Vulnerability Detection and Patch Management - Cisco 4: Cisco Tetration Platform Data Sheet - Cisco

Explanation

Spero analysis is a feature of Cisco AMP for Networks that examines structural characteristics such as metadata and header information in executable files. After generating a Spero signature based on this information, if the file is an eligible executable file, the device submits it to the Spero heuristic engine in the AMP cloud for analysis1. Spero analysis can detect malware based on the file’s structure and behavior, without requiring a full file upload2. Spero analysis is different from dynamic analysis, sandbox analysis, and malware analysis, which are other features of Cisco AMP for Networks that perform different types of file inspection and analysis3. References: 1: How to configure Firepower AMP to not upload files to … - Cisco Community 2: File Policies - Network Direction 3: Cisco AMP for Networks - Cisco

Explanation

Explanation

ETHOS is the Cisco file grouping engine. It allows us to group families of files together so if we see variants of

a malware, we mark the ETHOS hash as malicious and whole families of malware are instantly detected.

Explanation

The following are restrictions for Flexible NetFlow:

+ Traditional NetFlow (TNF) accounting is not supported.

+ Flexible NetFlow v5 export format is not supported, only NetFlow v9 export format is supported.

+ Both ingress and egress NetFlow accounting is supported.

+ Microflow policing feature shares the NetFlow hardware resource with FNF.

+ Only one flow monitor per interface and per direction is supported.

Cisco ASA NetFlow v9 Secure Event Logging (NSEL) is a security logging mechanism that is built on NetFlow Version 9 technology and provides stateful, IP flow tracking for significant events in a flow. NSEL requires a collector to receive and process the exported data records. To configure NSEL, you need to define a flow-export event type under a policy using the Modular Policy Framework (MPF). The event type specifies which events to export, such as flow-create, flow-denied, flow-teardown, flow-update, or all. You also need to configure the NSEL collectors, the template timeout intervals, and the flow-update interval. Optionally, you can disable the redundant syslog messages and reset the runtime counters.

The other statements are false because:

To view bandwidth usage for NetFlow records, the QoS feature is not required. You can use a NetFlow collector or analyzer to view the bandwidth usage and other statistics from the exported data records.

A sysopt command cannot be used to enable NSEL on a specific interface. NSEL is enabled globally on all interfaces by default when you configure a flow-export event type under a policy.

NSEL cannot be used without a collector configured. NSEL exports data records to the configured collectors using NetFlow over UDP. If no collector is configured, the data records are discarded.

Based on the configuration script in the image, the interface GigabitEthernet0/0/18 is configured for both 802.1X and MAB authentication. The command authentication port-control auto enables 802.1X authentication on the port, while the command dot1x pae authenticator enables the port to act as an authenticator. The command authentication host-mode multi-domain enables MAB authentication on the port, and allows two devices to be authenticated, one in the voice VLAN and one in the data VLAN. Therefore, when a device tries to connect to the port, the switch will first attempt 802.1X authentication, and if it fails, it will fall back to MAB authentication using the device’s MAC address. The switch will then contact the ISE server, which is configured as the RADIUS server group ise-group, to verify the device’s credentials and assign the appropriate access level based on the ISE policy. The ISE policy can also dynamically assign VLANs, ACLs, or service policies to the device based on its identity and posture. References :=

Some possible references are:

[Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0], Module 6: Secure Connectivity, Lesson 6.2: Implementing Site-to-Site VPNs, Topic 6.2.2: Group Encrypted Transport VPN

Cisco IOS Security Configuration Guide, Release 15M & T - Configuring IEEE 802.1x Port-Based Authentication

Cisco IOS Security Configuration Guide, Release 15M & T - Configuring MAC Authentication Bypass

Cisco Identity Services Engine Administrator Guide, Release 2.7 - Configure Wired 802.1X and MAB

 Cisco Stealthwatch is the only solution that detects threats across your private network, public clouds, and encrypted traffic. It uses network telemetry and advanced behavioral analytics to monitor network activity and identify anomalies that indicate potential threats. It also leverages Cisco Encrypted Traffic Analytics (ETA) to detect malware in encrypted traffic without decryption. Cisco Stealthwatch provides visibility, threat detection, and response across your entire network and cloud environment1234 References := 1: Cisco Stealthwatch detects threats across private networks, public clouds, and encrypted traffic - Cisco Blogs 2: The XDR Solution to the Ransomware Problem - Cisco Blogs 3: Network Threat Detection and Response with Cisco Stealthwatch - Locuz 4: Cisco Secure Network Analytics (Stealthwatch) - Cisco

Explanation

The logging of your identities’ activities is set per-policy when you first create a policy. By default, logging is on and set to log all requests an identity makes to reach destinations. At any time after you create a policy, you can change what level of identity activity Umbrella logs.

From the Policy wizard, log settings are:

Log All Requests—For full logging, whether for content, security or otherwise

Log Only Security Events—For security logging only, which gives your users more privacy—a good setting for people with the roaming client installed on personal devices

Don’t Log Any Requests—Disables all logging. If you select this option, most reporting for identities with this policy will not be helpful as nothing is logged to report on.

AES (Advanced Encryption Standard) is a symmetric encryption algorithm that uses the same key to encrypt and decrypt data. It turns plain text into a code that only the intended recipient can read. AES has different key sizes, such as 128, 192, and 256 bits. The larger the key size, the more secure and complex the encryption is. AES 256 is the most secure encryption algorithm for VPN communications, as it uses a 256-bit key that would take an enormous amount of time and computing power to crack. AES 256 is widely used by VPN providers, as it offers a high level of security and performance for VPN tunnels. AES 256 is also recommended by the U.S. government for protecting classified information. References :=

How Does a VPN Securely Encrypt Your Connection?

What Is VPN Encryption, Types, Protocols And Algorithms Explained

What is AES (Advanced Encryption Standard)?

What is VPN Encryption & How Does it Work?

A federated cloud connects independently administered cloud environments so participating organizations can share selected resources while retaining control over their own infrastructure, policies, security boundaries, and sensitive data. This model fits the hospitals because each institution must preserve local governance and keep patient records on-premises while participating in a scalable collaborative environment. A private cloud serves one organization and does not inherently support federation among autonomous hospitals. A public cloud offers scalability but reduces direct institutional control over infrastructure and data placement. A hybrid cloud combines private or on-premises resources with public cloud services, but it does not by itself provide the cross-organizational federation and independent policy administration emphasized in the scenario. Therefore, federated cloud is the most complete match. Cisco SCOR course overview

================

Asymmetric encryption, also known as public key cryptography, uses two different keys for encryption and decryption: a public key and a private key. The public key can be shared with anyone, while the private key must be kept secret. Data encrypted with the public key can only be decrypted with the private key, and vice versa. This ensures that only the intended recipient can access the encrypted data, and that the sender can prove their identity with a digital signature. Asymmetric encryption is widely used for securing Internet communications, such as TLS/SSL, which enables HTTPS. Some examples of asymmetric encryption algorithms are RSA, Diffie-Hellman, and Elliptic Curve Cryptography. The other options are not correct because they do not use a public key and private key. Symmetric encryption uses the same key for encryption and decryption, and is faster and more efficient than asymmetric encryption. However, symmetric encryption requires a secure way to exchange the key between the sender and the receiver, which can be facilitated by asymmetric encryption. Linear and nonlinear encryption are not types of encryption, but rather properties of encryption algorithms. A linear encryption algorithm is one that can be expressed as a linear function, such as XOR. A nonlinear encryption algorithm is one that involves more complex mathematical operations, such as modular arithmetic or S-boxes. Nonlinear encryption algorithms are generally more secure and resistant to cryptanalysis than linear encryption algorithms. References :=

Public-key cryptography - Wikipedia

How does public key cryptography work? - Cloudflare

Public and private encryption keys | PreVeil

AES encryption, what are public and private keys?

Explanation

Micro-segmentation secures applications by expressly allowing particular application traffic and, by default,

denying all other traffic. Micro-segmentation is the foundation for implementing a zero-trust security model for

application workloads in the data center and cloud.

Cisco Tetration is an application workload security platform designed to secure your compute instances across

any infrastructure and any cloud. To achieve this, it uses behavior and attribute-driven microsegmentation

policy generation and enforcement. It enables trusted access through automated, exhaustive context from

various systems to automatically adapt security policies.

To generate accurate microsegmentation policy, Cisco Tetration performs application dependency mapping to

discover the relationships between different application tiers and infrastructure services. In addition, the

platform supports “what-if” policy analysis using real-time data or historical data to assist in the validation and risk assessment of policy application pre-enforcement to ensure ongoing application availability. The

normalized microsegmentation policy can be enforced through the application workload itself for a consistent approach to workload microsegmentation across any environment, including virtualized, bare-metal, and container workloads running in any public cloud or any data center. Once the microsegmentation policy is enforced, Cisco Tetration continues to monitor for compliance deviations, ensuring the segmentation policy is up to date as the application behavior change.

Explanation

Explanation

There are three basic categories of attack:

+ volume-based attacks, which use high traffic to inundate the network bandwidth

+ protocol attacks, which focus on exploiting server resources

+ application attacks, which focus on web applications and are considered the most sophisticated and serious type of attacks Reference: https://www.esecurityplanet.com/networks/types-of-ddos-attacks/

Explanation

A botnet is a collection of internet-connected devices infected by malware that allow hackers to control them.

Cyber criminals use botnets to instigate botnet attacks, which include malicious activities such as credentials

leaks, unauthorized access, data theft and DDoS attacks.

An application that does not validate user input is particularly susceptible to SQL injection attacks. In an SQL injection attack, an attacker can insert or " inject " a SQL query via the input data from the client to the application. Due to the lack of validation, the malicious SQL commands are executed by the database server, leading to unauthorized access or manipulation of the database.

Explanation

The syntax of this command is shown below:

snmp-server group [group-name {v1 | v2c | v3 [auth | noauth | priv]}] [read read-view] [write write-view] [notify notify-view] [access access-list]

The command above restricts which IP source addresses are allowed to access SNMP functions on the router. You could restrict SNMP access by simply applying an interface ACL to block incoming SNMP packets that don’t come from trusted servers. However, this would not be as effective as using the global SNMP commands shown in this recipe. Because you can apply this method once for the whole router, it is much simpler than applying ACLs to block SNMP on all interfaces separately. Also, using interface ACLs would block not only SNMP packets intended for this router, but also may stop SNMP packets that just happened to be passing through on their way to some other destination device.

Explanation

Explanation

The Application Visibility and Control (AVC) engine lets you create policies to control application activity on the network without having to fully understand the underlying technology of each application. You can configure application control settings in Access Policy groups. You can block or allow applications individually or according to application type. You can also apply controls to particular application types.

Explanation

The Southbound API is used to communicate between Controllers and network devices

 Cisco Duo is a cloud-based solution that provides multi-factor authentication (MFA) and device trust for secure access to applications and data. MFA adds an extra layer of security by requiring users to verify their identity with something they know (such as a password) and something they have (such as a phone or a hardware token). Device trust ensures that only trusted devices can access sensitive resources by checking the device health and compliance. Cisco Duo can help prevent social engineering attacks by making it harder for hackers to impersonate legitimate users or compromise their credentials. Cisco Duo can also integrate with other Cisco security products, such as Cisco AnyConnect, Cisco AMP for Endpoints, and Cisco Umbrella, to provide a comprehensive security solution. References :=

Cisco Duo Security

Cisco Duo: Multi-Factor Authentication

Cisco Duo: Device Trust

Cisco Security Core Technologies SCOR

 Multi-factor authentication (MFA) is an authentication method that requires the user to provide two or more verification factors to gain access to a resource such as an application, online account, or a VPN. MFA is a core component of a strong identity and access management (IAM) policy1. MFA is important to implement inside of an organization because it can prevent brute force attacks from being successful. A brute force attack is a type of cyberattack that tries to guess the user’s password or PIN by trying different combinations until it finds the correct one. This can be done manually or with automated tools. MFA can stop brute force attacks by requiring an additional factor of authentication that the attacker does not have, such as a phone, a token, a biometric, or a location. MFA can also reduce the risk of other types of attacks that rely on stealing or compromising the user’s credentials, such as phishing, keylogging, or credential stuffing. References := 1: What is Multi-Factor Authentication (MFA)? | OneLogin

Cisco Container Platform (CCP) is a security product that enables administrators to deploy Kubernetes clusters in air-gapped sites without needing Internet access. CCP tenant images contain all the necessary binaries and don’t need internet access to function. CCP also supports offline installation and updates of the platform components. CCP is designed to simplify the deployment and management of containerized applications across hybrid cloud environments, while ensuring security and compliance. CCP integrates with Cisco security solutions such as Cisco Tetration and Cisco Stealthwatch Cloud to provide visibility and protection for Kubernetes clusters and workloads. CCP also leverages Cisco Intersight, a cloud-based management platform, to provide centralized monitoring and automation for CCP clusters. References:

Cisco Container Platform

350-701 SCOR Cisco CCNP Security Updated Questions in April

Microsegmentation is a network security technique that enables security architects to logically divide the data center or cloud environment into distinct security segments down to the individual workload level, and then define security controls and deliver services for each unique segment. Microsegmentation software with network virtualization technology is used to create zones in cloud deployments. These granular secure zones isolate workloads, securing them individually with custom, workload-specific policies. Microsegmentation uses a zero-trust model, which means that no traffic is allowed by default, and only explicitly authorized traffic is permitted based on the principle of least privilege. Microsegmentation helps to reduce the attack surface, prevent the lateral movement of threats, and strengthen regulatory compliance. The other options are incorrect because they do not describe microsegmentation accurately. Option B is incorrect because container orchestration platforms, such as Kubernetes, are used to automate the deployment, scaling, and management of containerized applications, but they do not provide microsegmentation by themselves. Option C is incorrect because private VLAN segmentation is a network security technique that isolates hosts within the same VLAN, but it does not provide granular security controls at the workload level. Option D is incorrect because host-based firewall rules are one of the components of microsegmentation, but they are not sufficient to implement microsegmentation without network virtualization and policy automation. References : What Is Microsegmentation? - Palo Alto Networks, What Is Micro-Segmentation? - Cisco, What is Micro-Segmentation? | VMware Glossary

Dynamic ARP Inspection (DAI) is a security feature that validates ARP packets in a network. DAI allows a network administrator to intercept, log, and discard ARP packets with invalid MAC address to IP address bindings. This capability protects the network from certain “man-in-the-middle” attacks. DAI determines the validity of an ARP packet based on valid IP to MAC address bindings from the DHCP snooping binding database. DAI also supports static ARP ACLs for hosts with static IP addresses. DAI checks all ARP packets on untrusted interfaces, and only forwards the packets that have valid bindings. DAI can also rate-limit the ARP packets on untrusted interfaces to prevent DoS attacks. The other options are incorrect because:

B. In a typical network, DAI should be configured to make all ports as untrusted except for the ports connecting to trusted hosts or switches, which are trusted.

C. DAI does not associate a trust state with each switch, but with each interface on the switch.

D. DAI intercepts all ARP requests and responses on untrusted ports only, not on trusted ports. References :=

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/12-2/25ew/configuration/guide/conf/dynarp.html

https://study-ccna.com/dynamic-arp-inspection-dai/

Cisco AMP for Endpoints is a solution that enables protection, detection, and response on the endpoint against known and unknown threats. It provides continuous visibility and analysis of endpoint activity, as well as automated threat prevention and response capabilities. It leverages cloud-based intelligence, sandboxing, and machine learning to block malware, fileless attacks, ransomware, and other advanced threats. It also allows security teams to quickly investigate and remediate incidents, as well as hunt for indicators of compromise across all endpoints. Cisco AMP for Endpoints is part of the Cisco SecureX platform, which integrates with other Cisco security solutions to provide a unified and simplified security experience. The other options are not correct because they do not offer the same level of endpoint protection, detection, and response as Cisco AMP for Endpoints. Cisco AnyConnect is a VPN solution that provides secure access to the network for remote workers, but it does not monitor or respond to endpoint threats. Cisco Umbrella is a DNS security solution that blocks malicious domains, IPs, and URLs, but it does not analyze or remediate endpoint activity. Cisco Duo is a multi-factor authentication solution that verifies the identity of users and devices, but it does not protect or detect endpoint attacks. References :=

Some possible references are:

Cisco AMP for Endpoints

Cisco SecureX

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0 - Module 5: Endpoint Protection and Detection

NetFlow Secure Event Logging (NSEL) is a security logging mechanism that is built on NetFlow Version 9 technology. It provides a stateful, IP flow tracking method that exports only those records that indicate significant events in a flow, such as flow-create, flow-teardown, and flow-denied. NSEL events are triggered by the event that caused the state change in the flow. This reduces the amount of data that is exported and provides more relevant information for security analysis. NSEL also supports periodic flow-update events, which provide byte counters over the duration of the flow. These events are usually time-driven, but may also be triggered by state changes in the flow. NSEL uses templates to describe the format of the data records that are exported through NetFlow. Each event has several record formats or templates associated with it. NSEL delivers templates and data records to configured NSEL collectors through NetFlow over UDP only. NSEL also allows filtering of NSEL events based on the traffic and event type through Modular Policy Framework, and then sends records to different collectors. The supported event types are flow-create, flow-denied, flow-teardown, flow-update, and all. References :=

Some possible references are:

NetFlow Secure Event Logging (NSEL) - Cisco

NetFlow Secure Event Logging (NSEL) - Cisco

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0 (source book)

To create an access control list (ACL) on a Cisco Adaptive Security Appliance (ASA) firewall, you need to use the access-list command followed by the name of the ACL, the action (permit or deny), the protocol, the source address and mask, and the destination address and mask. For example, to permit HTTP traffic from the inside network 192.168.1.0/24 to any destination on the internet, you can use this command:

access-list inside_access_in permit tcp 192.168.1.0 255.255.255.0 any eq www

This command creates an ACL named inside_access_in that permits TCP traffic from the source network 192.168.1.0/24 to any destination with the destination port equal to 80 (www). The eq keyword is used to specify the port number or name. You can also use the range keyword to specify a range of ports.

To apply the ACL to an interface, you need to use the access-group command followed by the name of the ACL and the direction (in or out). For example, to apply the ACL to the inside interface in the inbound direction, you can use this command:

access-group inside_access_in in interface inside

This command applies the ACL inside_access_in to the interface named inside in the inbound direction. This means that the ACL will filter the traffic that enters the firewall through the inside interface.

Option D is the only option that matches the syntax of the access-list command for the ASA firewall. Option A is incorrect because it uses the ip keyword instead of the tcp keyword. Option B is incorrect because it uses the any keyword for both the source and destination addresses. Option C is incorrect because it uses the host keyword for the source address, which is not valid for a network address.

Custom clauses allow an administrator to express the event conditions that a Cisco Secure Workload forensic rule must match, so A is correct. A rule combines a forensic event type with optional attributes, comparison operators, actions, and severity. Cisco’s Secure Workload forensic-events guide instructs administrators to create a rule and enter its clause, and it explains that the feature applies user-defined rules to captured real-time events. Secure Workload also supplies default product rules and MITRE ATT & CK rules, but those are predefined examples rather than the capability used to configure an administrator’s own logic. “Windows or Linux application” describes neither a rule-building mechanism nor a valid clause type. Therefore, custom clauses provide the required configurable forensic detection capability.

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Explanation

In deceptive phishing, fraudsters impersonate a legitimate company in an attempt to steal people’s personal data or login credentials. Those emails frequently use threats and a sense of urgency to scare users into doing what the attackers want.

Spear phishing is carefully designed to get a single recipient to respond. Criminals select an individual target within an organization, using social media and other public information – and craft a fake email tailored for that person.

Explanation

Cisco Threat Intelligence Director (CTID) can be integrated with existing Threat Intelligence Platforms deployed by your organization to ingest threat intelligence automatically.

To share data between multiple security products, you must use Cisco Platform Exchange Grid (pxGrid). pxGrid is an open and scalable framework that allows for bi-directional any-to-any partner platform integrations. pxGrid uses REST and WebSocket interfaces to exchange intelligence and obtain contextual information from Cisco Identity Services Engine (ISE) and other security products. pxGrid can also direct ISE to contain threats by setting network policies. pxGrid enables cross-platform network system collaboration across your IT infrastructure and helps you monitor security, detect threats, and manage assets, configuration, identity, and access. References: Introduction to the Cisco Platform Exchange Grid (pxGrid) in ISE, Cisco Identity Services Engine Administrator Guide, Release 3.3

 When adding a device to Firepower Management Center, you need to provide a registration key, which is a unique alphanumeric string that you create and enter on both the device and the Firepower Management Center. The registration key is used to authenticate the device and the Firepower Management Center to each other. You do not need to provide the username and password, encryption method, or device serial number when adding a device to Firepower Management Center1. References: 1: How to Manage a Device with the Firepower Management Center - Configure the Managed Device

The IP and Domain Reputation Center is a service provided by Talos, Cisco’s Security Intelligence and Research Group, that tracks the reputation of IP addresses and domains for email and web traffic. The IP and Domain Reputation Center collects and analyzes data from millions of deployed web, email, firewall and IPS appliances, as well as open-source data sets, endpoint intelligence, and network intrusions. The IP and Domain Reputation Center transforms this data into actionable threat intelligence and tools to improve security posture. The IP and Domain Reputation Center allows users to look up websites, URLs and IP addresses and the information Talos has about them, such as their reputation score, category, volume, and threat level. The IP and Domain Reputation Center also provides threat data overviews, such as the top email and spam senders by country, and the standard categories used to classify website content and attack types123. References := 1: Reputation Center - A Real Time Threat Detection Service || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence 2: IP & Domain Reputation Center - Talos Intelligence 3: Talos Reputation Center overview | Talos Support Documents

 Tools like Jenkins, Octopus Deploy, and Azure DevOps provide continuous integration and continuous deployment (CI/CD) capabilities for application and infrastructure automation. CI/CD is a process that enables developers to deliver code changes more frequently and reliably by automating the building, testing, and deployment stages. CI/CD tools help to integrate various components of the software delivery pipeline, such as source control, testing frameworks, configuration management, security scanning, and deployment platforms. By using CI/CD tools, developers can achieve faster feedback loops, improved quality, reduced errors, and increased efficiency123.

According to the Cisco course on Implementing and Operating Cisco Security Core Technologies (SCOR), CI/CD is one of the key concepts of DevSecOps, which is a culture and practice that aims to embed security into every stage of the software development lifecycle. DevSecOps requires collaboration and communication between development, security, and operations teams, as well as the use of automation tools and techniques to ensure security is integrated throughout the process45. References: 1: Configuring Jenkins in Azure and deploying with Octopus 2: Octopus Deploy vs. Azure DevOps (VSTS/TFS) 3: Building .NET Core Apps in Azure DevOps and integrating Octopus Deploy 4: Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0 5: 350-701 SCOR - Cisco

Explanation

Cross site scripting (also known as XSS) occurs when a web application gathers malicious data from a user. The data is usually gathered in the form of a hyperlink which contains malicious content within it. The user will most likely click on this link from another website, instant message, or simply just reading a web board or email message.

Usually the attacker will encode the malicious portion of the link to the site in HEX (or other encoding methods) so the request is less suspicious looking to the user when clicked on.

For example the code below is written in hex: < a

href=javascript:alert & #

x28 ' XSS ' ) > Click Here < /a >

is equivalent to:

< a href=javascript:alert( ' XSS ' ) > Click Here < /a >

Note: In the format “ & #xhhhh“, hhhh is the code point in hexadecimal form.

Active Directory (AD) is an ID store that requires that a shadow user be created on Cisco ISE for the admin login to work. A shadow user is a user account that is defined in the ISE internal database, but has the password set to external. This means that the user authentication is performed against an external identity source, such as AD, while the user authorization is based on the ISE admin group membership. A shadow user is useful when the admin wants to assign different roles or permissions to specific AD users, rather than using AD groups. To create a shadow user, the admin must check the External checkbox in the ISE admin user configuration, and make sure that the username matches the AD username. The shadow user must also be assigned to an ISE admin group that has the Type set to External123. References := 1: ISE Admin User Shadow AD Account Issue 2: ISE Admin user authentication from AD 3: Which ID store requires that a shadow user be created on Cisco ISE for the admin login to work?

Explanation

Explanation

Storm control prevents traffic on a LAN from being disrupted by a broadcast, multicast, or unicast storm on one of the physical interfaces. A LAN storm occurs when packets flood the LAN, creating excessive traffic and degrading network performance. Errors in the protocol-stack implementation, mistakes in network configurations, or users issuing a denial-of-service attack can cause a storm.

By using the “storm-control broadcast level [falling-threshold]” we can limit the broadcast traffic on the switch.

 Cisco FTD is the recommended solution for this requirement because it allows the administrator to configure URL filtering as part of the access control policy. URL filtering in FTD can block or allow traffic based on the destination URL of a web request, the generalized category of the URL, or the public reputation of the target site. FTD can also use HTTPS URL filtering to inspect encrypted web traffic and block malicious or unwanted sites. FTD supports both local URL lists and external URL filtering servers such as Cisco Talos Intelligence Group (TIG), Websense, or SmartFilter12.

Cisco ASA does not include URL filtering in the access control policy capabilities. ASA can only enable URL filtering for web traffic using external filtering servers such as Websense or SmartFilter. ASA cannot block HTTPS or FTP traffic based on URLs, nor can it use local URL lists or categories. ASA also does not block malicious URLs by default, but relies on the filtering server’s configuration34.

Therefore, option C is the correct answer, and the other options are incorrect. References :=

FTD URL Filtering - How it works? - Cisco Community

Cisco Firepower Threat Defense Configuration Guide for Firepower Device Manager, Version 6.2.3 - Access Control

Configuring Filtering Services - Cisco

Configuring URL Filtering - Cisco

 Cisco AMP for Endpoints provides next-generation protection by leveraging an endpoint protection platform (EPP) and endpoint detection and response (EDR) capabilities. EPP is a set of multifaceted prevention techniques that stop threats from compromising endpoints, such as behavioral analytics, machine learning, and signature-based methods. EDR is a set of powerful features that reduce the attack surface and remediate faster, such as advanced threat hunting, endpoint isolation, and dynamic malware analysis. Cisco AMP for Endpoints also integrates with SecureX, a built-in platform that offers extended detection and response (XDR) capabilities across multiple control points, such as network, cloud, email, and web. By combining EPP, EDR, and XDR, Cisco AMP for Endpoints delivers a comprehensive and resilient endpoint security solution that can detect, respond, and recover from sophisticated attacks. References:

Cisco Secure Endpoint (Formerly AMP for Endpoints) - Cisco

Cisco Secure Endpoint (Formerly AMP for Endpoints) - Cisco

Cisco Secure Endpoint (Formerly AMP for Endpoints) - Cisco

Option B is the only offered configuration that combines network-location awareness, pre-logon operation, and device-based credentials. Trusted Network Detection identifies whether the endpoint is on the trusted corporate network and can initiate the VPN when the network is untrusted. Start Before Login makes Cisco Secure Client available before Windows logon, while machine-certificate authentication uses the computer identity rather than credentials belonging to a signed-in user. Cached domain credentials do not provide certificate-based device authentication. Options A and D specify user certificates, which are unavailable before a user context exists and therefore contradict the unattended device-authentication requirement. Although a Management VPN tunnel is designed for transparent pre-logon connectivity, Cisco documentation states that it supports only machine-store certificate authentication, so option A is invalid as written. Cisco Secure Client Administrator Guide

Explanation

Obviously, if you allow all traffic to these risky domains, users might access malicious content, resulting in an infection or data leak. But if you block traffic, you can expect false positives, an increase in support inquiries, and thus, more headaches. By only proxying risky domains, the intelligent proxy delivers more granular visibility and control.

The intelligent proxy bridges the gap by allowing access to most known good sites without being proxied and only proxying those that pose a potential risk. The proxy then filters and blocks against specific URLs hosting malware while allowing access to everything else.

The decisive message is TS_UNACCEPTABLE, followed by “Traffic selector negotiation failed.” During IKEv2 CHILD_SA creation, the peers negotiate traffic selectors defining the protected local and remote address ranges. RFC 7296 defines TS_UNACCEPTABLE as indicating that the proposed traffic selectors are unacceptable. The displayed encryption, integrity, and PFS parameters do not produce an algorithm-rejection notification; Phase 1 has already completed, and the failure occurs while negotiating selectors for the CHILD_SA. The engineer must make the protected-network definitions complementary on both FTD peers—for example, one peer’s local network must equal the other peer’s remote network, with compatible masks. Changing AES, extending the IKE lifetime, or removing the PFS group does not correct mismatched encryption domains. RFC 7296—IKEv2

================

 Multifactor authentication (MFA) is a solution that requires the user to provide two or more verification factors to gain access to a resource, such as an application, online account, or a VPN. MFA is more secure than the traditional use of a username and password because it reduces the risk of identity theft, phishing, and credential compromise. MFA can use different types of factors, such as something the user knows (e.g., password, PIN), something the user has (e.g., smartphone, token, smart card), or something the user is (e.g., fingerprint, facial recognition). MFA can be implemented using various methods, such as security defaults, Conditional Access policies, or third-party solutions123. References:

https://support.microsoft.com/en-us/topic/what-is-multifactor-authentication-e5e39437-121c-be60-d123-eda06bddf661

https://www.onelogin.com/learn/what-is-mfa

To implement external authentication against Active Directory, the Cisco ISE server needs to communicate with the domain controller using either RADIUS or LDAP protocols. RADIUS is used for network access control, while LDAP is used for identity management and directory services. Both protocols require the appropriate ports to be opened and firewall rules to be configured to allow the traffic between the ISE server and the domain controller.

The ISE account does not need to be a domain administrator in Active Directory to perform JOIN operations. It only needs to have the permissions to create computer objects and reset passwords in the domain. This can be achieved by delegating the rights to a specific OU or using a service account with limited privileges.

Active Directory supports user and machine authentication by using various methods, not only MSCHAPv2. MSCHAPv2 is a challenge-response authentication protocol that is commonly used with RADIUS and VPN connections. However, Active Directory also supports other protocols such as Kerberos, NTLM, EAP, and PEAP, depending on the scenario and the client capabilities.

Explanation

To understand DHCP snooping we need to learn about DHCP spoofing attack first.

DHCP spoofing is a type of attack in that the attacker listens for DHCP Requests from clients and answers them with fake DHCP Response before the authorized DHCP Response comes to the clients. The fake DHCP Response often gives its IP address as the client default gateway - > all the traffic sent from the client will go through the attacker computer, the attacker becomes a “man-in-the-middle”.

The attacker can have some ways to make sure its fake DHCP Response arrives first. In fact, if the attacker is “closer” than the DHCP Server then he doesn’t need to do anything. Or he can DoS the DHCP Server so that it can’t send the DHCP Response.

DHCP snooping can prevent DHCP spoofing attacks. DHCP snooping is a Cisco Catalyst feature that

determines which switch ports can respond to DHCP requests. Ports are identified as trusted and untrusted.

Only ports that connect to an authorized DHCP server are trusted, and allowed to send all types of DHCP

messages. All other ports on the switch are untrusted and can send only DHCP requests. If a DHCP response

is seen on an untrusted port, the port is shut down.

The Cisco WSA can enforce bandwidth restrictions for web applications by using the Application Visibility and Control (AVC) engine. The AVC engine allows the WSA to identify and control application activity on the network, and to apply bandwidth limits to certain application types or individual applications. The WSA dynamically creates a scavenger class QoS policy and applies it to each client that connects through the WSA. The scavenger class QoS policy assigns a low priority to the application traffic and limits the bandwidth usage based on the configured settings. This way, the WSA can prevent congestion and ensure fair allocation of bandwidth among different applications and users. References:

User Guide for AsyncOS 11.8 for Cisco Web Security Appliances - GD (General Deployment) - Managing Access to Web Applications

WSA - limit bandwidth - Cisco Community

Malware installation: This may be done by hijacking DNS queries and responding with malicious IP addresses.

Command & Control communication: As part of lateral movement, after an initial compromise, DNS

communications is abused to communicate with a C2 server. This typically involves making periodic DNS

queries from a computer in the target network for a domain controlled by the adversary. The responses contain encoded messages that may be used to perform unauthorized actions in the target network.

Network footprinting: Adversaries use DNS queries to build a map of the network. Attackers live off the terrain so developing a map is important to them.

Data theft (exfiltration): Abuse of DNS to transfer data; this may be performed by tunneling other protocols like FTP, SSH through DNS queries and responses. Attackers make multiple DNS queries from a compromised computer to a domain owned by the adversary. DNS tunneling can also be used for executing commands and transferring malware into the target network.

The debug output shows that IKE Phase 1 completed and the security association was authenticated, eliminating the preshared secret as the problem. It also reports IPSec policy invalidated proposal, phase 2 SA policy not acceptable, PROPOSAL_NOT_CHOSEN, and QM rejected. These messages identify an IPsec Phase 2 proposal mismatch. The peers must have compatible transform-set parameters, including encryption, integrity, tunnel mode, and any Perfect Forward Secrecy settings. The crypto ACL determines interesting traffic, but an ACL mismatch normally produces proxy-identity or traffic-selector symptoms rather than rejection of the offered IPsec proposal. NAT traversal concerns encapsulation through NAT devices and is irrelevant because the debug explicitly states that no NAT was found. Configuring matching transform sets on FTD1 and FTD2 resolves the negotiation failure. Cisco IPsec VPN troubleshooting guide

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/security/s1/sec-s1-xe-3se-3850-cr-book/sec-s1-xe-3se-3850-cr-book_chapter_01.html#wp3404908137

Displaying the Summary of All Auth Manager Sessions on the Switch

Enter the following:

Switch# show authentication sessions

Interface MAC Address Method Domain Status Session ID

Gi1/48 0015.63b0.f676 dot1x DATA Authz Success 0A3462B1000000102983C05C

Gi1/5 000f.23c4.a401 mab DATA Authz Success 0A3462B10000000D24F80B58

Gi1/5 0014.bf5d.d26d dot1x DATA Authz Success 0A3462B10000000E29811B94

 Mobile Device Management (MDM) is a solution that allows an organization to manage, monitor, and secure mobile devices such as smartphones, tablets, and laptops. MDM provides two main advantages to an organization with regards to device management:

Asset inventory management: MDM helps an organization keep track of all the mobile devices that are connected to its network, including their location, status, configuration, and usage. MDM also enables an organization to remotely wipe or lock devices that are lost, stolen, or compromised, preventing data loss and unauthorized access. Asset inventory management helps an organization optimize its resources, reduce costs, and comply with regulations12.

Allowed application management: MDM allows an organization to control what applications can be installed and run on the mobile devices, as well as how they can access and share data. MDM can also push updates and patches to the devices, ensuring that they are always running the latest and most secure versions of the applications. Allowed application management helps an organization enhance security, productivity, and performance of the mobile devices34.

 1: 7 Advantages and Disadvantages of Mobile Device Management [2024] 2: 5 Benefits of Mobile Device Management - ESET 3: Top 10 Benefits of Mobile Device Management (MDM) - TechFunnel 4: Benefits of Mobile Device Management (MDM) for Businesses

Explanation

The command “snmp-server user user-name group-name [remote ip-address [udp-port port]] {v1 | v2c | v3 [encrypted] [auth {md5 | sha} auth-password]} [access access-list] ” adds a new user (in this case “andy”) to an SNMPv3 group (in this case group name “myv3”) and configures a password for the user.

In the “snmp-server host” command, we need to:

+ Specify the SNMP version with key word “version {1 | 2 | 3}”

+ Specify the username (“andy”), not group name (“myv3”).

Note: In “snmp-server host inside …” command, “inside” is the interface name of the ASA interface through which the NMS (located at 10.255.254.1) can be reached.

Configuring the IEEE 802.1X Flexible Authentication feature to support Layer 3 authentication mechanisms involves adding MAC Authentication Bypass (MAB) into the switch configuration. This allows devices that do not support 802.1X to be authenticated using their MAC address. Once MAB identifies the device, it can then be redirected to a Layer 3 device for further authentication, thus providing a mechanism to support devices requiring Layer 3 authentication methods.

In transparent mode, the WSA can handle both explicit and transparent HTTP requests, depending on how the client browser is configured. The WSA must pretend to be the origin content server for transparent requests, since the client is unaware of the existence of a proxy1. WCCP v2 is a protocol that allows a WCCP-enabled device (such as a router or a switch) to redirect traffic to the WSA based on certain criteria, such as destination port 802. This way, the client does not need to configure a proxy or a PAC file in the browser. The other options are false because they are either required for explicit mode or not supported by the WSA. References :=

What is the difference between transparent and forward proxy mode?

Configure Transparent Redirection With WCCP in Order to Support HTTP, HTTPS, and Native FTP Traffic

Multiple context mode allows you to partition a single ASA into multiple virtual firewalls, each with its own security policy, interfaces, and management IP address. This mode is useful for providing security services to different customers or tenants on a shared appliance, while maintaining separation of management and configuration. Each context acts as an independent device and can be in either routed or transparent mode. You can also assign different administrators to each context and limit their access to specific commands and features. Multiple context mode is supported in Cisco ACI with the ASA device package version 1.2 or later. References: 

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/1-x/L4-L7_Service_Graph_Deployment_Guide/b_L4L7_Service_Graph_Deploy_ver122g/b_L4L7_Service_Graph_Deploy_ver122x_chapter_0110.pdf

https://www.cisco.com/c/en/us/td/docs/security/asa/asa96/configuration/general/asa-96-general-config/intro-fw.html

Full Context Awareness - policy enforcement

NGIPS - threat prevention

AMP - real-time

Collective Sec Intel - Detection, blocking an remediation

The threat intelligence standard that contains malware hashes is trusted automated exchange of indicator information (TAXII). TAXII is a protocol that enables the exchange of cyber threat information in a standardized and automated manner. It supports various types of threat intelligence, such as indicators of compromise (IOCs), observables, incidents, tactics, techniques, and procedures (TTPs), and campaigns. Malware hashes are one example of IOCs that can be shared using TAXII. Malware hashes are cryptographic signatures that uniquely identify malicious files or programs. They can be used to detect and block malware infections on endpoints or networks. TAXII uses STIX (structured threat information expression) as the data format for representing threat intelligence. STIX is a language that defines a common vocabulary and structure for describing cyber threat information. STIX allows threat intelligence producers and consumers to share information in a consistent and interoperable way. STIX defines various objects and properties that can be used to represent different aspects of cyber threat information, such as indicators, observables, incidents, TTPs, campaigns, threat actors, courses of action, and relationships. Malware hashes can be expressed as observables in STIX, which are concrete items or events that are observable in the operational domain. Observables can have various types, such as file, process, registry key, URL, IP address, domain name, etc. Each observable type has a set of attributes that describe its properties. For example, a file observable can have attributes such as name, size, type, hashes, magic number, etc. A hash attribute can have a type (such as MD5, SHA1, SHA256, etc.) and a value (such as the hexadecimal representation of the hash). A file observable can have one or more hash attributes to represent different hashing algorithms applied to the same file. For example, a file observable can have both MD5 and SHA256 hashes to increase the confidence and accuracy of identifying the file.

The other options are incorrect because they are not threat intelligence standards that contain malware hashes. Option A is incorrect because advanced persistent threat (APT) is not a standard, but a term that describes a stealthy and sophisticated cyberattack that aims to compromise and maintain access to a target network or system over a long period of time. Option B is incorrect because open command and control (OpenC2) is not a standard that contains malware hashes, but a language that enables the command and control of cyber defense components, such as sensors, actuators, and orchestrators. Option C is incorrect because structured threat information expression (STIX) is not a standard that contains malware hashes, but a data format that represents threat intelligence. STIX uses TAXII as the transport protocol for exchanging threat intelligence, including malware hashes. References:

TAXII

STIX

Malware Hashes

A PAC file is a Proxy Auto-Configuration file that contains a JavaScript function that determines whether web browser requests go directly to the destination or are forwarded to a web proxy server. A PAC file allows the client desktop browsers to be configured to select when to connect direct or when to use the proxy based on the URL and the host name. A PAC file can be downloaded from a web server or a local file. A PAC file is more suitable for complex proxy configurations or multiple proxy servers12

A transparent mode is a proxy configuration where the client browsers do not need to be configured to use the proxy. The proxy intercepts the traffic and forwards it to the destination. A transparent mode does not allow the client browsers to select when to connect direct or when to use the proxy34

A forward file is not a valid proxy configuration method.

A bridge mode is a network configuration where a device connects two or more network segments and forwards traffic between them. A bridge mode is not a proxy configuration method5 References := 1: Proxy Auto-Configuration (PAC) file - HTTP | MDN 2: Proxy auto-config - Wikipedia 3: Explicit and Transparent Proxy - techdocs.broadcom.com 4: Configure Explicit Proxy - Palo Alto Networks | TechDocs 5: config web-proxy explicit | FortiGate / FortiOS 7.4.0

The purpose of a Denial-of-Service (DoS) attack is to disrupt the normal operation of a targeted system, server, or network by overwhelming it with a flood of internet traffic. This is achieved by utilizing multiple compromised computer systems as sources of attack traffic. The overwhelming amount of traffic can cause the targeted system to slow down significantly or even crash and become unavailable to legitimate users, thereby denying service to intended users.

https://www.cisco.com/c/en/us/td/docs/security/firepower/623/configuration/guide/fpmc-config-guide-v623/access_control_using_intrusion_and_file_policies.html#:~:text=File%20Policies-,Access%20Control%20Traffic%20Handling%20with%20Intrusion%20and%20File%20Policies,-The%20following%20diagram

the first three access control rules in the policy—Monitor, Trust, and Block—cannot inspect matching traffic. Monitor rules track and log but do not inspect network traffic, so the system continues to match traffic against additional rules to determine whether to permit or deny it

https://www.cisco.com/c/en/us/td/docs/security/firepower/623/configuration/guide/fpmc-config-guide-v623/access_control_rules.html#:~:text=Rule%20Blocking%20Actions-,Access%20Control%20Rule%20Allow%20Action,network%20discovery%20policy%3B%20additionally%2C%20application%20discovery%20is%20limited%20for%20encrypted%20sessions.,-Related%20Concepts

Northbound APIs (SDN northbound APIs) are typically RESTful APIs that are used to communicate between the SDN controller and the services and applications running over the network. Such northbound APIs can be used for the orchestration and automation of the network components to align with the needs of different applications via SDN network programmability1. The management solution is an example of an application that can use the northbound APIs to interact with the SDN controller and configure, monitor, and troubleshoot the network devices and services2. Therefore, the main function of northbound APIs in the SDN architecture is to enable communication between the SDN controller and the management solution. References: 1: What are SDN Northbound APIs (and SDN Rest APIs)? - SDxCentral 2: Software-Defined Networking Security and Network Programmability

The rx form enables strict Unicast Reverse Path Forwarding on an interface. For every received packet, the router checks the forwarding information base for the source address and verifies that the best return path uses the same interface on which the packet arrived. If that ingress-interface check fails, the packet is rejected, helping mitigate forged or spoofed source addresses. Therefore, B is correct. The any form enables loose mode, which accepts the source when any route to that address exists, regardless of the ingress interface. both and tx are not valid modes for the Cisco IOS XE command shown. Strict mode is suitable where routing is symmetric; loose mode is normally preferred where legitimate asymmetric routing could cause strict-mode checks to discard valid traffic. Cisco IOS XE Unicast RPF configuration

================

Cisco Umbrella is a cloud-delivered and SaaS-based solution that provides DNS-layer security and web filtering for internet traffic. It blocks requests to malicious domains or IPs before a connection is even established, and logs and inspects all web traffic for greater transparency, control, and protection1.

However, not all domains or IPs are clearly malicious or benign. Some of them may be risky, meaning that they host both legitimate and malicious content, or that they have a low reputation score based on various factors. For these domains or IPs, Cisco Umbrella offers the option to proxy the traffic through the intelligent proxy, which is a selective web proxy that performs deeper inspection and analysis of the web content2.

The intelligent proxy can apply URL filtering, file inspection, and file type control to the proxied traffic, and block or allow it based on the policy settings. The intelligent proxy can also leverage Cisco Advanced Malware Protection (AMP) and antivirus engines to scan files for malware and threats3.

Therefore, by using the intelligent proxy, Cisco Umbrella can manage traffic that is directed toward risky domains more effectively, and provide an additional layer of security and visibility for the organization.

References :=

Manage the Intelligent Proxy

Manage File Inspection

Cisco Umbrella At a Glance

The best way to prevent the session during the initial TCP communication is to configure policies to stop and reject communication from the known malicious domain. This will prevent the ESA from accepting any messages from that domain and send a negative SMTP response code back to the sender. This will also save the ESA’s resources and bandwidth, as it will not have to process or store the malicious emails. This can be done by creating a sender group in the Host Access Table (HAT) that matches the malicious domain and setting the mail flow policy to “Reject” or “Throttle”. Alternatively, a message filter can be created that checks the envelope sender against the malicious domain and applies the “stop_connection” or “reject_connection” action12.

The other options are not as effective as stopping and rejecting the communication at the TCP level. Configuring the Cisco ESA to drop the malicious emails (option A) will still allow the ESA to accept the messages and then silently discard them, which will consume the ESA’s resources and bandwidth, and also not notify the sender of the rejection. Configuring policies to quarantine malicious emails (option B) will also require the ESA to accept and store the messages, which will take up disk space and require manual or automated management of the quarantine. Configuring the Cisco ESA to reset the TCP connection (option D) will abruptly terminate the connection without sending a proper SMTP response code, which may cause the sender to retry the delivery and generate more traffic. Resetting the TCP connection is also considered a less polite and less compliant way of rejecting messages than sending a negative SMTP response code34. References: 1: How to Block a Sender Domain on the Email Security Appliance 2: Message Filters on the Cisco Email Security Appliance 3: How to Configure the Cisco Email Security Appliance to Reject or Drop Messages 4: Cisco Email Security Appliance User Guide - Configuring Mail Policies

Cisco XDR Incident Manager provides a structured response workflow that organizes and guides analysts through suggested incident-response tasks. These tasks cover identification, containment, eradication, and recovery. Recovery includes confirming that malicious activity has been removed and restoring affected systems safely. Therefore, D is the only option that matches Incident Manager’s guided and prioritized response functionality. The feature does not merely calculate the average time required to identify an incident or predict how long resolution will take. Backup activities following a false-positive determination are also not its defining purpose. Incident Manager combines correlated incident evidence, investigation context, and recommended tasks so analysts can focus on the appropriate response actions and move the incident systematically toward containment and recovery. Cisco XDR security automation guidance

================

Explanation

The call to API of “https://api.amp.cisco.com/v1/computers” allows us to fetch list of computers across your

organization that Advanced Malware Protection (AMP) sees

One of the main reasons why a user would choose an on-premises ESA versus the CES solution is to have more control over the sensitive data that flows through the email system. With an on-premises ESA, the user can ensure that the data is stored and processed within their own network and data center, and that they comply with any regulatory or organizational requirements for data security and privacy. With a CES solution, the user would have to trust Cisco to handle the data in their cloud infrastructure, and to adhere to the service level agreements and security policies that are agreed upon. Some users may not be comfortable with this level of outsourcing, especially if they have strict data governance or compliance needs12. References: 1: Physical ESA vs Cloud ESA - Cisco Community 2: Cisco Email Security Appliance - Data Sheet

Cisco Stealthwatch Cloud is a cloud-delivered and SaaS-based solution that provides visibility and threat detection across the AWS network. It does not require any software agents to be installed on the AWS instances, and it relies on AWS VPC flow logs to collect network traffic metadata. Cisco Stealthwatch Cloud analyzes the flow logs using machine learning and behavioral modeling to detect anomalies and threats, such as data exfiltration, lateral movement, reconnaissance, and compromised instances. Cisco Stealthwatch Cloud also provides contextual information and actionable alerts to help users respond to incidents and remediate issues.

Cisco Umbrella is a cloud-delivered and SaaS-based solution that provides DNS-layer security and web filtering for internet traffic. It does not provide visibility and threat detection for internal AWS network traffic, and it requires software agents to be installed on the endpoints or network devices to enforce policies and redirect DNS requests.

NetFlow collectors are devices or software applications that collect and analyze NetFlow records, which are generated by network devices to capture information about IP traffic flows. NetFlow collectors can provide visibility and threat detection for network traffic, but they are not cloud-delivered or SaaS-based solutions. They also require NetFlow exporters to be configured on the network devices, which may not be supported by AWS.

Cisco Cloudlock is a cloud-delivered and SaaS-based solution that provides cloud security posture management (CSPM) and cloud access security broker (CASB) capabilities for cloud applications and environments. It does not provide visibility and threat detection for AWS network traffic, and it does not rely on AWS VPC flow logs. It focuses on protecting cloud data, users, and configurations from misconfigurations, compliance violations, and malicious activities. References :=

Cisco Stealthwatch Cloud for AWS

Cisco Umbrella

NetFlow

[Cisco Cloudlock]

Wired 802.1X authentication is a port-based network access control that uses the physical characteristics of the switched LAN infrastructure to authenticate devices attached to a LAN port1. Wired 802.1X authentication requires three components: a supplicant, an authenticator, and an authentication server2. The supplicant is the client device that requests access to the network. The authenticator is the switch port that controls the access to the network based on the authentication result. The authentication server is the server that validates the credentials of the supplicant and sends the authentication result to the authenticator3.

In this question, option A is correct because Cisco Identity Service Engine (ISE) is an example of an authentication server that supports wired 802.1X authentication4. Option C is correct because Cisco Catalyst switch is an example of an authenticator that supports wired 802.1X authentication5. Option B is incorrect because Cisco AnyConnect ISE Posture module is not a supplicant, but a software component that checks the compliance status of the supplicant. Option D is incorrect because Cisco ISE is not an authenticator, but an authentication server. Option E is incorrect because Cisco Prime Infrastructure is not an authentication server, but a network management tool.

 1: Wired 802.1X Deployment Guide - Cisco 2: 802.1X Authenticated Wired Access Overview | Microsoft Learn 3: About 802.1X Authentication - Aruba 4: Cisco Identity Services Engine - Products & Services - Cisco 5: Cisco Catalyst 2960-X Series Switches - Products & Services - Cisco : Cisco AnyConnect Secure Mobility Client Administrator Guide, Release 4.9 - Configure Posture [Cisco AnyConnect Secure Mobility Client] - Cisco : Cisco Prime Infrastructure - Products & Services - Cisco

Simple Custom Detection is a feature of Cisco AMP for Endpoints that allows administrators to block specific files based on their SHA-256 or MD5 hashes. This feature can be used to detect and quarantine files of unknown disposition, such as abc424400664.zip, by adding their hashes to a custom list in the AMP portal. The list can then be applied to a policy that is assigned to the endpoints. Simple Custom Detection works on files of any type, size, or platform, unlike the other options that are either platform-specific (Android Custom Detection), size-limited (Blocked Application), or signature-based (Advanced Custom Detection). References: 1, 2, 3

Explanation

Cisco Hybrid Email Security is a unique service offering that facilitates the deployment of your email security

infrastructure both on premises and in the cloud. You can change the number of on-premises versus cloud

users at any time throughout the term of your contract, assuming the total number of users does not change.

This allows for deployment flexibility as your organization’s needs change.

Explanation

Cisco Cloudlock is a cloud-native cloud access security broker (CASB) that helps you move to the cloud safely. It protects your cloud users, data, and apps. Cisco Cloudlock provides visibility and compliance checks, protects data against misuse and exfiltration, and provides threat protections against malware like ransomware.

When a Cisco WSA receives a web request, it evaluates it against the policies in the policy table. Each policy type has a predefined, global policy, which maintains default actions for that policy type. If the web request does not match any user-defined policy, the WSA applies the global policy. The global policy can be configured to allow, block, or redirect the web request based on various criteria. The global policy acts as a catch-all policy for any web request that is not explicitly handled by a user-defined policy. References :=

User Guide for AsyncOS 11.0 for Cisco Web Security Appliances - Create Policies to Control Internet Requests

User Guide for AsyncOS 12.7 for Cisco Web Security Appliances - LD (Limited Deployment) - Acquire End-User Credentials

A mobile device management (MDM) solution is a software tool that helps organizations manage, secure, and monitor mobile devices such as smartphones, tablets, and laptops. Some of the benefits of using an MDM solution are:

A. grants administrators a way to remotely wipe a lost or stolen device: This feature allows administrators to erase all the data and settings on a device that is lost or stolen, preventing unauthorized access to sensitive information. This can also help comply with data protection regulations and policies12

E. allows for centralized management of endpoint device applications and configurations: This feature enables administrators to control the applications and settings on the devices, such as enforcing security policies, installing or updating software, configuring network access, and restricting device features. This can help improve productivity, performance, and compliance of the devices13

Other benefits of using an MDM solution are:

B. provides simple and streamlined login experience for multiple applications and users: This feature allows users to access multiple applications and services with a single sign-on (SSO) or multi-factor authentication (MFA) mechanism, reducing the hassle of remembering and entering multiple credentials. This can also enhance security and user satisfaction4

C. native integration that helps secure applications across multiple cloud platforms or on-premises environments: This feature allows applications to leverage the native security features of the devices, such as encryption, biometric authentication, and device attestation. This can also help protect the applications from malware, tampering, and data breaches across different environments.

D. encrypts data that is stored on endpoints: This feature allows data to be encrypted at rest and in transit on the devices, preventing unauthorized access or interception of the data. This can also help comply with data protection regulations and policies.

References := 1: Mobile Device Management (MDM): What is MDM & why do Businesses need it? - Business Tech Weekly 2: Top 10 Benefits of Mobile Device Management (MDM) - TechFunnel 3: What are the Benefits of Mobile Device Management? - knowledgenile 4: Mobile Device Management (MDM) - Cisco : Mobile Application Management (MAM) - Cisco : Mobile Device Security - Cisco

Cisco Cloudlock is a cloud-native security platform that provides data loss prevention (DLP) capabilities for public cloud environments, such as SaaS, IaaS, and PaaS. Cisco Cloudlock can discover, classify, and protect sensitive data stored in cloud applications, such as Office 365, Google Workspace, Salesforce, Dropbox, and AWS. Cisco Cloudlock uses advanced techniques, such as regular expressions, keywords, dictionaries, and machine learning, to identify and monitor data based on predefined or custom policies. Cisco Cloudlock can also enforce actions, such as encryption, quarantine, deletion, or notification, to prevent data leakage or exposure12. References := 1: Cisco Cloudlock Data Sheet 2: Cloud Data Loss Prevention (Cloud DLP) Overview

 The dot1x system-auth-control command enables 802.1X globally on a Cisco switch. This command allows the switch to act as an authenticator for 802.1X clients connected to the switch ports. The switch will then communicate with a RADIUS server to authenticate the clients and grant or deny access to the network. The other commands are not related to enabling 802.1X globally. The dot1x pae authenticator command enables 802.1X authentication on a specific interface. The authentication port-control aut command enables automatic port-based authentication on an interface. The aaa new-model command enables the AAA framework for authentication, authorization, and accounting. References :=

https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-small-business-300-series-managed-switches/smb5635-configure-global-802-1x-properties-on-a-switch-through-the-c.html

https://www.cisco.com/c/en/us/td/docs/routers/nfvis/switch_command/b-nfvis-switch-command-reference/802_1x_commands.html

Cisco Firepower impact flags are indicators that help you evaluate the impact an intrusion has on your network by correlating intrusion data, network discovery data, and vulnerability information1. Impact flags are assigned to intrusion events based on the following criteria:

The operating system and application protocol of the target host

The exploitability of the target host by the attacker

The relevance of the intrusion rule to the target host

The severity of the intrusion rule Impact flags can have four values: unknown, neutral, affected, or vulnerable. Unknown means that the system does not have enough information to assess the impact. Neutral means that the system knows the target host is not affected by the intrusion. Affected means that the system knows the target host is affected by the intrusion, but not necessarily exploitable. Vulnerable means that the system knows the target host is exploitable by the intrusion1. Impact flags can help you prioritize your response to intrusion events, as well as generate reports and alerts based on the impact level. You can also use impact flags to filter and search for intrusion events in the Firepower Management Center1. References: 1: Firepower Management Center Configuration Guide, Version 6.1 - External Alerting with Alert Responses.

The Python script in the exhibit uses the Cisco AMP for Endpoints API to get information about the computers in the deployment. It imports the requests library, which allows it to make HTTP requests. It then defines three variables: client_id, api_key, and url. These are used to authenticate and access the API endpoint. The url is set to ‘1’, which returns a list of computers in JSON format. The script then makes a GET request using the requests.get() method, passing the url and the authentication details as parameters. The response from the API is stored in the response variable, and converted to JSON using the response.json() method. The script then loops over each computer in the ‘data’ field of the JSON response, using a for loop. Inside the loop, it extracts the hostname of each computer using the ‘hostname’ key, and prints it using the print() function. Therefore, the script will pull all computer hostnames and print them, which is option C. References:

Overview of the Cisco AMP for Endpoints API

Secure Endpoint API - Cisco DevNet

Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0

Explanation

Explanation

How To Troubleshoot ISE Failed Authentications & Authorizations

Check the ISE Live Logs

Login to the primary ISE Policy Administration Node (PAN).

Go to Operations > RADIUS > Live Logs

(Optional) If the event is not present in the RADIUS Live Logs, go to Operations > Reports > Reports >

Endpoints and Users > RADIUS Authentications

Check for Any Failed Authentication Attempts in the Log

 Platform as a Service (PaaS) is a cloud service model that delivers and manages all the hardware and software resources to develop applications through the cloud. The service provider is responsible for the infrastructure, middleware, runtime, and operating system, while the customer only has to focus on the application and data. PaaS enables the customer to avoid the hassle of patching, updating, or maintaining the operating system, as well as the underlying hardware and network12. Infrastructure as a Service (IaaS) is a cloud service model that delivers on-demand infrastructure resources, such as compute, storage, networking, and virtualization, to the customer via the cloud. The service provider hosts and manages the infrastructure, but the customer is responsible for the operating system, middleware, virtual machines, and any apps or data. IaaS requires the customer to handle the patch management of the operating system, as well as the security and configuration of the virtual machines34. References := 1: Use platform as a service (PaaS) options - Azure Architecture Center 2: What is Platform-as-a-Service (PaaS)? - Cloudflare 3: PaaS vs IaaS vs SaaS: What’s the difference? | Google Cloud 4: SaaS vs PaaS vs IaaS: What’s The Difference & How To Choose – BMC Software | Blogs

A Trojan malware attack is a type of malicious code or software that disguises itself as a legitimate program or file to trick users into executing it. Once executed, the Trojan can perform various harmful actions on the infected system or network, such as stealing data, deleting files, or installing other malware. There are different types of Trojan malware attacks, depending on their purpose and behavior. Two common types are:

Rootkit: A rootkit is a type of Trojan that hides itself and other malware from detection and removal by antivirus software or system tools. A rootkit can modify the operating system or the firmware of the device to gain persistent and privileged access to the system. A rootkit can also intercept and manipulate system calls, network traffic, or user input to conceal its activities or redirect them to malicious servers.

Backdoor: A backdoor is a type of Trojan that creates a secret or unauthorized access point to the infected system or network. A backdoor can allow an attacker to remotely control the system, execute commands, upload or download files, or monitor the system activity. A backdoor can also be used to install other malware or launch further attacks on other systems or networks.

Posture assessment is a feature of Cisco ISE that allows you to check the compliance of endpoints with corporate security policies before allowing them to access the network1. Posture assessment can detect missing patches on endpoints and help with remediation by applying the appropriate posture policy and requirement2. Posture assessment can also check for the presence and status of security software, such as antivirus, antispyware, firewall, and so on3. Posture assessment is one of the core security technologies covered in the Implementing and Operating Cisco Security Core Technologies (SCOR) course4, which prepares you for the Cisco CCNP Security and CCIE Security certifications and for senior-level security roles. References: 1: Posture Service 2: Configure Posture Policies 3: Posture Conditions 4: Implementing and Operating Cisco Security Core Technologies (SCOR) v1.0

The command show authen sess int gi0/1 displays the authentication session information for the interface gi0/1, such as the MAC address, the authentication method, the authentication state, the session timeout, and the VLAN assignment. This command is useful for verifying the status of an 802.1X connection on a specific interface. The other commands are not related to 802.1X authentication. The command show authorization status displays the authorization status for the current user. The command show connection status gi0/1 is not a valid Cisco command. The command show ver gi0/1 displays the version information for the interface gi0/1. References: 802.1X Authentication Commands, Configuring IEEE 802.1x Port-Based Authentication, What Cisco command shows you the status of an 802.1X connection on interface gi0/1?

 Cisco ISE is a solution that allows an administrator to provision, monitor, and secure mobile devices on Windows and Mac computers from a centralized dashboard. Cisco ISE integrates with Mobile Device Management (MDM) servers to provide necessary insight into the posture of mobile devices and enforce network access policies. Cisco ISE can also perform device registration, remediation, and periodic compliance checks on mobile devices. Cisco ISE can also issue remote actions on the device through the MDM server, such as full wipe, corporate wipe, and PIN lock. Cisco ISE can also augment endpoint data with information from the MDM server that cannot be gathered using the Cisco ISE profiling services. References:

Integrate XenMobile Mobile Device Management (MDM) with Cisco Identity Services Engine (ISE)

Cisco Identity Services Engine Administrator Guide, Release 2.4 - Mobile Device Manager Interoperability with Cisco ISE

Cisco ISE Integration with Mobile Device Management (MDM)

A virus is a type of malware that infects a computer system by attaching itself to another program or file. Once executed, the virus can replicate itself and spread to other files or systems. A virus can be used to gain unauthorized access to a computer system by exploiting software vulnerabilities, stealing credentials, or installing backdoors. A virus can also cause damage to the system by deleting, modifying, or encrypting data, or consuming system resources. According to the Implementing and Operating Cisco Security Core Technologies (SCOR) course, viruses are one of the most common forms of malware and can be classified into different types based on their behavior, such as boot sector viruses, file infectors, macro viruses, or polymorphic viruses1. References: 1: Implementing and Operating Cisco Security Core Technologies (SCOR) course, Module 1: Malware Analysis, Lesson 1: Malware Types and Characteristics, Topic: Virus.

Defanging is the process of modifying a URL in a message to prevent it from being clickable. This can help protect users from malicious links that have a low URL reputation score. Defanging is one of the actions that can be configured in the Incoming Content Filter on the Cisco ESA. The other actions are Quarantine, FilterAction, and ScreenAction. Quarantine sends the message to a quarantine area for further inspection. FilterAction applies a predefined action such as drop, bounce, or deliver. ScreenAction displays a warning message to the user before allowing them to access the URL. Defanging is the only action that disables the links in the message without affecting the delivery or visibility of the message12. References: 1: URL Filtering on the Cisco IronPort ESA – Mikail’s Blog 2: Configure URL Filtering for Secure Email Gateway and Cloud Gateway - Cisco

Cisco ISE’s BYOD onboarding workflow uses Simple Certificate Enrollment Protocol to request and obtain a unique endpoint certificate from the configured certificate authority, including the ISE internal CA when that service is selected. SCEP is specifically designed for certificate-enrollment and related PKI operations. Therefore, B is correct. CMP is another certificate-management protocol, but it is not the protocol used by the ISE BYOD provisioning workflow described here. SFTP securely transfers files and cannot perform certificate enrollment. OCSP determines whether an already-issued certificate has been revoked; it does not request or issue certificates. The resulting per-device certificate establishes a unique endpoint identity and supports certificate-based network authentication, commonly through EAP-TLS, after the BYOD onboarding process is completed. Cisco SCEP overview

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Explanation

Explanation

Easy Connect simplifies network access control and segmentation by allowing the assignment of Security

Group Tags to endpoints without requiring 802.1X on those endpoints, whether using wired or wireless

connectivity.

To add a device into Cisco DNA Center with the native API, the POST method and the name attribute are required. The POST method is used to create a new resource on the server, such as a device. The name attribute is used to specify the hostname or IP address of the device to be added. The POST method requires a JSON body that contains the device information, such as the name, type, role, credentials, and other optional parameters. The Cisco DNA Center API documentation provides an example of the JSON body and the response for adding a device1. The Cisco DNA Center Platform User Guide also explains how to use the native API to add devices2. References := 1: Cisco DNA Center API Documentation - Add Device 2: Cisco DNA Center Platform User Guide, Release 2.3.5 - Manage Devices Using the Native API