Pre-Summer Special Sale - 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: spcl70

Practice Free 400-007 Cisco Certified Design Expert (CCDE v3.1) Exam Questions Answers With Explanation

We at Crack4sure are committed to giving students who are preparing for the Cisco 400-007 Exam the most current and reliable questions . To help people study, we've made some of our Cisco Certified Design Expert (CCDE v3.1) exam materials available for free to everyone. You can take the Free 400-007 Practice Test as many times as you want. The answers to the practice questions are given, and each answer is explained.

Question # 6

Which interface between the controller and the networking device enables the two to communicate and allows the controller to program the data plane forwarding tables of the networking device?

A.

Controller interface

B.

Southbound interface

C.

Application programming interface

D.

Northbound interface

Question # 7

Company XYZ is designing the network for IPv6 security and they have these design

requirements:

A switch or router must deny access to traffic from sources with addresses that are correct, but are topologically incorrect

Devices must block Neighbor Discovery Protocol resolution for destination addresses that are not found in the binding table.

Which two IPv4 security features are recommended for this company? (Choose two)

A.

IPv6 DHCP Guard

B.

IPv6 Source Guard

C.

IPv6 Destination Guard

D.

IPv6 Prefix Guard

E.

IPv6 RA Guard

Question # 8

Company XYZ has designed their network to run GRE over IPsec on their Internet- based VPN to connect two sites Which IPsec tunneling feature can they enable to optimize the data flow while ensuring that the headers contain no duplicate IP addresses?

A.

unnel Mode in IPsec Phase I

B.

Transport Mode in IPsec Phase I

C.

Tunnel Mode in IPsec Phase II

D.

Transport Mode in IPsec Phase II

Question # 9

Which service abstracts away the management of the operating system, middleware, and runtime?

A.

PaaS

B.

MaaS

C.

laaS

D.

SaaS

Question # 10

Network orchestration enables network administrators to focus on strategic initiatives, innovation, and value-added tasks rather than spending time on manual and repetitive network management activities. Drag and drop the orchestration types from the left onto the corresponding functions on the right. Not all options are used.

400-007 question answer

Question # 11

Organic growth or decline comes from a company ' s normal business activities, rather than through acquisitions or divestment. Changes in usage patterns can also cause organic change in network requirements Which tool is useful when designing and operationalizing a network that is in the process of change?

A.

change management

B.

modularity

C.

mobility

D.

Monitoring

Question # 12

A network architect is working on a large project involving migration to a software-defined networking platform, and is currently working on writing an executive summary for final approval by the management board. When writing the executive summary, What is a limitation of or challenges with software-defined networks that must be listed?

A.

Provides better flexibility but decreases the speed of service delivery.

B.

Difficulties in making significant improvements to service request response times.

C.

Virtualization inherently adds overhead and network latency.

D.

Often comes with a high CAPEX due to use of automation tools.

Question # 13

What are the two benefits of using northbound APIs in SDN architecture? (Choose two.)

A.

They provide a way to manage the SDN and configure network policies

B.

They connect the SDN controller to the underlying network devices.

C.

They provide a way for the SDN controller to communicate with network devices

D.

They provide, a way for the SDN to control change management

E.

They connective SDN controller to higher-level management, systems

Question # 14

Drag and drop the high-level descriptions of network automation and network orchestration on the left to the corresponding category on the right in no particular order.

400-007 question answer

Question # 15

A consultant needs to explain different project management methodologies to a customer.

Drag and drop the characteristics from the left onto the corresponding methodologies on the right in no particular order.

400-007 question answer

Question # 16

What are two advantages of the Agile project management methodology? (Choose two)

A.

brief but detailed feedback loops

B.

extensive documentation

C.

well-detailed and reliable budget estimates

D.

creation of shippable enhancements

E.

tight and rigid model

Question # 17

A rapidly growing e-commerce business with a global customer base needs a robust network design that can support their business-critical operations and ensure low-latency access for their customers around the globe. The IT team is considering different solutions to meet their requirements. Which network design is suitable for these needs?

A.

Rely on a peer-to-peer network architecture to distribute the workload among customer devices.

B.

Implement a fully on-premises network infrastructure with dedicated servers in different geographic locations.

C.

Utilize a public cloud provider to provide hosting for web servers and databases.

D.

Adopt a hybrid cloud approach, using a mix of public cloud services and private on-premises servers.

Question # 18

400-007 question answer

Refer lo the exhibit Company XYZ BGP topology is as shown in the diagram The interface on the LA router connected toward the 10 1 5 0/24 network is faulty and is going up and down, which affects the entre routing domain Which routing technique can be used in the routing policy design so that the rest of the network is not affected by the flapping issue ?

A.

Use route filtering on Chicago router to block the 10 1.5.0V24 network from coming in from the LA router.

B.

Use route filtering on LA router To block the 10 1 5 074 network from getting propagated toward Chicago and New York.

C.

Use route aggregation on LA router to summarize the 10.1.4 074.10.1.5.0*24,10.1.6.0/24. and 10.1.7.004 networks toward Chicago.

D.

Use route dampening on LA router for the 10.1.5.074 network so that it does not get propagated when it (laps up and down)

Question # 19

In the wake of a security compromise incident where the internal networks were breached by an outside attacker at the perimeter of the infrastructure, an enterprise is now evaluating potential measures that can help protect against the same type of incident in the future. What are two design options that can be employed? (Choose two)

A.

microzoning

B.

segmentation

C.

domain fencing

D.

virtualization

E.

microperimeters

Question # 20

400-007 question answer

Refer to the exhibit. A customer needs to implement a connectivity model by using one active link for inbound and outbound traffic and a second link for backup. The backup link is low speed and is required only during outages of the primary link. Which design solution should be implemented?

A.

Advertise a longer AS PATH to ISP 2. Increase the MED to ISP 2.

B.

Advertise more specific routes to ISP 1. Increase the local preference attribute of inbound BGP from ISP1.

C.

Advertise less specific routes to ISP 2. Increase the AS PATH inbound from ISP 1.

D.

Advertise a higher local preference to ISP 2. Increase the AS PATH inbound from ISP 1.

Question # 21

An engineer must redesign the QoS strategy for Company XYZ The current network is experiencing many dropped packets due to oversubscription of the guaranteed bandwidth allocated by the service provider Company XYZ wants a design with a QoS strategy that controls the traffic flow leaving the Edge router to minimize packet drops Which QoS technique can be recommended as a solution?

A.

LLQ

B.

rate-Limiting

C.

policing

D.

traffic shaping

Question # 22

Which development model is closely associated with Agile project management?

A.

static model

B.

evolutionary delivery model

C.

lifecycle model

D.

starfish model

Question # 23

Company XYZ has implemented policy-based routing in their network. Which potential problem must be kept in mind about network reconvergence and PBR?

A.

It can limit network scalability

B.

It can create microloops during reconvergence.

C.

It increases convergence time.

D.

It reduces convergence time.

Question # 24

An architect receives a business requirement from a CTO that states the RTO for a new system should be 4 hours, and the RPO should be less than 1 hour. Business continuity must also be ensured in the event of a natural disaster. Which replication method and data center technology should be used?

A.

asynchronous replication over dual data centers via DWDM

B.

asynchronous replication over geographically dispersed dual data centers via CWDM

C.

synchronous replication over geographically dispersed dual data centers via MPLS

D.

synchronous replication over dual data centers via Metro Ethernet

Question # 25

A lead network architect is tasked with designing the optimal cloud-based solution for a rapidty growing e-commerce company that heavily relies on its online platform for sales and customer interactions The company’s business critical operations induce real time inventory management, order processing, and payment processing The executive team has decided to migrate their infrastructure to the cloud to improve scalability and recoce operational costs Which cloud service model(s) needs to considered?

A.

SaaS and PaaS

B.

SaaS

C.

laaS and PaaS

D.

laaS

Question # 26

Scalability is a desirable attribute of a network, system, or process Poor scalability can result in poor system performance, necessitating the reengineering or duplication of systems Load scalability is the ability of a system to perform gracefully as traffic increases Which two problems can occur due to poor load scalability design? (Choose two )

A.

cannot fully take advantage of parallelism

B.

algorithmically intolerable

C.

limited size of a data structure

D.

repeatedly engaging in wasteful activity

E.

redundant message logging

Question # 27

If the desire is to connect virtual network functions together to accommodate different types of network service connectivity, what must be deployed?

A.

daisy chaining

B.

linking

C.

service chaining

D.

bridging

E.

switching

Question # 28

What are two descriptions of network optimization? (Choose two.)

A.

Maintain high availability

B.

Proactive network management

C.

Network redesign

D.

Network health maintenance

E.

Identify network requirements

Question # 29

If the desire is to connect virtual network functions together to accommodate different types of

network service connectivity, what must be deployed?

A.

Bridging

B.

Service Chaining

C.

Linking

D.

Daisy Chaining

E.

Switching

Question # 30

A networking team needs to prevent spoofing attacks They are describing the different uRPF design use cases so they can identify and deploy the optimal mode in various parts of their network

Drag and drop the use cases from the left onto the corresponding uRPF technique on the right Not all options are used

400-007 question answer

Question # 31

Which type of interface are OpenFlow and OpFlex?

A.

southbound interface

B.

eastbound interface

C.

cloud-bound interface

D.

northbound interface

Question # 32

Enterprise XYZ wants to implement fast convergence on their network and optimize timers for OSPF However they also want to prevent excess flooding of ISAs if there is a constantly flapping link on the network Which timers can help prevent excess flooding of LSAs for OSPF?

A.

OSPF throttling timers

B.

OSPF delay timer

C.

MPS OSPF flooding timers

D.

OSPF propagation timers

Question # 33

Which two benefits can software-defined networks provide to businesses? (Choose two.)

A.

decentralized management

B.

reduction of OpEx/CapEx

C.

meets high traffic demands

D.

provides additional redundancy

E.

enables innovation

F.

reduced latency

Question # 34

The PaaS model provides customers with a virtualized application development platform without the need for them to furnish hardware or system administration using in-house resources All necessary infrastructure components and application development services are provided and managed by the cloud service provider. Which limitation should be considered when selecting PaaS model?

A.

loss of customer control

B.

limited customization options

C.

potential network latency

D.

compatibility with existing development environments

Question # 35

Which two advantages of using DWDM over traditional optical networks are true? (Choose two.)

A.

inherent topology flexibility and service protection provided without penalty through intelligent oversubscription of bandwidth reservation

B.

inherent topology flexibility with a service protection provided through a direct integration with an upper layer protocol

C.

inherent topology flexibility with built-in service protection

D.

ability to expand bandwidth over existing optical infrastructure

E.

inherent topology flexibility with intelligent chromatic dispersion

Question # 36

A product manufacturing organization is integrating cloud services into their IT solution The IT team is working on the preparation phase of the implementation approach, which includes the Define Strategy step This step defines the scope of IT. the application, and the service. What is one topic that should be considered in the Define Strategy step?

A.

due diligence and financial scenarios

B.

innovate and align with business according to volume

C.

financial and governance models

D.

contingency exit strategy steps

Question # 37

Which CIA triad principle is used by social media platforms to constitute a standard procedure of user IDs and passwords requirements?

A.

integrity

B.

confidentiality

C.

availability

D.

compliance

Question # 38

The SD-WAN architecture is composed of separate orchestration management, control, and data planes Which activity happens at the orchestration plane?

A.

packet forwarding

B.

central configuration and monitoring

C.

automatic onboarding of the SD-WAN routers into the SD-WAN overlay

D.

decision-making process on where traffic flows

Question # 39

Drag t he components that are part of the CIA triad to the correct target on the right. Not all components are used.

400-007 question answer

Question # 40

In a multi-cloud environment, which two practices should be implemented to safeguard the integrity of Al-driven network decisions? (Choose two.)

A.

executing real-time change monitoring for all Al model modifications and setups across cloud platforms

B.

employing a centralized Al control plane to oversee and supervise all machine learning models in the cloud

C.

implementing machine learning models exclusively within isolated, on-premises data centers to mitigate cloud vulnerabilities

D.

employing federated learning to guarantee data privacy and integrity across multiple cloud environments

E.

implementing rigorous network segmentation among cloud providers to avert cross-cloud data leaks

Question # 41

A network automation team plans to develop tasks to configure services on a network by using a Python controller The configuration tasks must be implemented by using operations that support network-wide transactions The candidate configuration must be validated automatically for all targeted devices before being applied to each specific device What can be used to apply the configuration to the network devices?

A.

RESTCONF/YANG

B.

NETCONF/YANG

C.

CLI over SSH

D.

XML Agent TTY

Question # 42

monitoring solution, an organization wants to ensure they can collect feedback from network devices, particularly with a focus on being able to perform anomaly detection and automatically react to these events as they come m A key requirement is that the resources required to collect the data must be distributed Which data reporting approach is good fit for this use case?

A.

model-driven monitoring

B.

pull-based methodology

C.

data-flow monitoring

D.

streaming tele

Question # 43

The network team in XYZ Corp wants to modernize their infrastructure and is evaluating an implementation and migration plan to allow integration MPLS-based, Layer 2 Ethernet services managed by a service provider to connect branches and remote offices. To decrease OpEx and improve

response times when network components fail, XYZ Corp decided to acquire and deploy new routers. The network currently is operated over E1 leased lines (2 Mbps) with a managed CE service provided by the telco.

Drag and drop the implementation steps from the left onto the corresponding targets on the right in the correct order.

400-007 question answer

Question # 44

Which two statements describe network automation and network orchestration? (Choose two)

A.

Network orchestration is done through programmatic REST APIs enabling automation across devices and management platforms

B.

Network automation does not provide governance or policy management

C.

Network orchestration is used to run single, low-level tasks without human intervention

D.

Network automation spans multiple network services, vendors and environments

E.

Provisioning network services is an example of network automation

Question # 45

When constraint-based routing is under consideration to be added to a network design, what are two inherent characteristics or impacts that must be considered? (Choose two)

A.

better network utilization

B.

stability in the route table

C.

high computation overhead

D.

smaller routing table size

E.

less resources than the shortest path

Question # 46

In an OSPF network with routers connected together with Ethernet cabling, which topology typically takes the longest to converge?

A.

Partial mesh

B.

Full mesh

C.

Ring

D.

Squared

E.

Triangulated

Question # 47

Which purpose of a dynamically created tunnel interface on the design of IPv6 multicast services Is true?

A.

multicast source registration to the RP

B.

multicast client registration to the RP

C.

first-hop router registration to the RP

D.

transport of all IPv6 multicast traffic

Question # 48

What is a characteristic of a secure cloud architecture model?

A.

limited access to job function

B.

dedicated and restricted workstations

C.

multi-factor authentication

D.

software-defined network segmentation

Question # 49

What is the best approach to ensure both scalability and high availability for a cloud-based storage solution over the IP network?

A.

Using a RAID (Redundant Array of Independent Disks) setup to provide data redundancy and improve performance.

B.

Deploying a Content Delivery Network (CDN) to cache and serve frequently accessed storage content.

C.

Implementing Network Attached Storage (NAS) devices in a clustered configuration for load balancing.

D.

Utilizing a Storage Area Network (SAN) with redundant controllers and paths for storage access.

Question # 50

multinational corporation with offices in various regions worldwide are looking for a network architecture that provides a balance between low- latency and cost-effectiveness for connecting their offices to the cloud. Which cloud connectivity option is the best fit for this corporation?

A.

DMVPN

B.

SDWAN SDCI

C.

MPLS direct connect

D.

cloud on-ramp

Question # 51

A multinational organization has decided to migrate its business-critical operations to a hybrid cloud solution They are concerned about data governance, particularly regarding data sovereignty, ownership, and locale The company operates in multiple countries with strict data privacy regulations Which solution best ensures compliance with data governance regulations ' ?

A.

Implement a private cloud solution with data centers within the company ' s own premises.

B.

Utilize a public cloud provider with data centers located in different countries around the world.

C.

Store all data in a single data center located in the country where the company is headquartered

D.

Distribute data across multiple data centers located in different countries based on user location

Question # 52

Flow is a set of IP packets passing an observation point in the network during a certain time interval. A flow could consist of ail packets in a specific transport connection or a media stream. Packet flow temporal efficiency can be affected by one-way delay Drag and drop the delay types from the left onto the corresponding definitions on the right Not all are used

400-007 question answer

Question # 53

Drag and drop the right functional descriptions from the left onto the corresponding protocols on the right.

400-007 question answer

Question # 54

Drag and drop the QoS technologies from the left onto the correct capabilities on the right

400-007 question answer

Question # 55

Which security architecture component offers streamlined security operations, ease of use, and visibility across all network security elements, independent of location or form factor?

A.

integrated actionable intelligence

B.

distributed enforcement

C.

threat-centric protection

D.

central command and control

Question # 56

Company XYZ has a multicast domain that spans across multiple autonomous systems The company wants to choose a technology that provides a simplified and controlled approach to interconnecting the multicast domains Which technology is the best fit for this purpose?

A.

PIM sparse mode

B.

MSDP

C.

MPLS

D.

PIM SSM

Question # 57

When consumers that leverage laaS reach 100% resource capacity what can be used to redirect the overflow of traffic to the public cloud, so there is no disruption to service?

A.

cloud policing

B.

cloud bursting

C.

cloud spill

D.

cloud shaping

Question # 58

A multinational enterprise integrates a cloud solution with these objectives

Achieve seamless connectivity across different countries and regions

Extend data center and private clouds into public clouds and provider-hosted clouds

What are two outcomes of deploying data centers and fabrics that interconnect different cloud networks? (Choose two)

A.

Enhanced security

B.

Data and network ownership

C.

Ability to place workloads across clouds

D.

Centralized visibility

E.

Unidirectional workload mobility across the cloud

Question # 59

A network architect is working on the baseline policies dealing with the use of Infrastructure-as-Code within an IT department, and has been requested to present the plan at the monthly management board meeting. What are two examples of operational aspects of Infrastructure-as-Code that can be highlighted during the presentation? (Choose two.)

A.

API for programmatic control

B.

automatic trouble ticketing

C.

automated workflows

D.

source code management repository

E.

telemetry and monitoring

Question # 60

Agile and Waterfall are two popular methods for organizing projects What describes any Agile network design development process?

A.

following a plan over responding to change

B.

working design over comprehensive documentation

C.

processes and tools over individuals and interactions over time

D.

contract negotiation over customer collaboration

Question # 61

Indicate the nature of automation and orchestration tasks by dragging the tasks on the left to the corresponding category on the right in no particular order.

400-007 question answer

400-007 PDF

$119.7

$399

3 Months Free Update

  • Printable Format
  • Value of Money
  • 100% Pass Assurance
  • Verified Answers
  • Researched by Industry Experts
  • Based on Real Exams Scenarios
  • 100% Real Questions

400-007 PDF + Testing Engine

$179.7

$599

3 Months Free Update

  • Exam Name: Cisco Certified Design Expert (CCDE v3.1)
  • Last Update: May 21, 2026
  • Questions and Answers: 206
  • Free Real Questions Demo
  • Recommended by Industry Experts
  • Best Economical Package
  • Immediate Access

400-007 Engine

$134.7

$449

3 Months Free Update

  • Best Testing Engine
  • One Click installation
  • Recommended by Teachers
  • Easy to use
  • 3 Modes of Learning
  • State of Art Technology
  • 100% Real Questions included