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  • Exam Name: Troubleshooting Cisco Data Center Infrastructure (300-615 DCIT)
  • Last Update: Sep 12, 2025
  • Questions and Answers: 167
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300-615 Practice Exam Questions with Answers Troubleshooting Cisco Data Center Infrastructure (300-615 DCIT) Certification

Question # 6

Refer to the exhibit.

300-615 question answer

The EEM script overrides all events in the system policy. What should be added to the script to resolve the issue?

A.

event statement

B.

environment variable

C.

event-default action statement

D.

configure terminal action

Full Access
Question # 7

An upgrade of protected RPMs from the Bash shell did not take effect. Which action is required for the changes to take effect?

A.

Restart the Bash shell.

B.

Reload the switch.

C.

Upgrade the RPMs from the Guest shell.

D.

Disable and reenable the Bash feature.

Full Access
Question # 8

300-615 question answer

Refer to the exhibit. The monitoring team reports an inability to access the devices after a new centralized management integration. Which action resolves the issue?

A.

B. Enable SHA authentication for the admin user.

B.

C. Update the community string.

C.

D. Change the admin user permissions to write.

Full Access
Question # 9

Refer to the exhibit.

300-615 question answer

A customer network uses OSPFv2 and MP-BGP protocols A network administrator installs a new Cisco Nexus Switch in the data center but experiences a BGP RIB failure Which action solves the issue?

A.

Change the administrative distance of OSPF to 220

B.

Configure the route as a BGP backdoor

C.

Use a filter list for OSPF to filter both routes

D.

Implement next-hop-self

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Question # 10

Refer to the exhibit.

300-615 question answer

A new Cisco Nexus 5548 Switch connects to a network. SAN switching is configured on the switch. The switch fc2/10 NP uplink is shown in the exhibit. Which action ensures that fc2/10 is in an up state?

A.

Replace the SFP port module in fc2/10.

B.

Configure the admin port type E on the upstream switch that connects the port.

C.

Enable NPIV on the upstream switch that connects the port.

D.

Configure the BB_credit buffers on the upstream switch that connects the port.

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Question # 11

Drag each item listed on the left to its proper category on the right Not all items will fit the categories.

300-615 question answer

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Question # 12

Refer to the exhibit.

300-615 question answer

An engineer must connect N2K-Fex-1 and N5K-Core-1 so that the traffic flow between the two devices uses load balancing. After inspecting the statistics of the interconnecting interfaces, the engineer concludes that only one link is used. Which action resolves the problem?

A.

Configure source-destination load balancing on N5K-Core-1.

B.

Configure each uplink to be a member of a separate LACP port channel.

C.

Configure the pinning max-link as 2.

D.

Configure destination-mac load balancing on N5K-Core-1

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Question # 13

Refer to the exhibit.

300-615 question answer

The HSRP configuration in the exhibit fails to function. Which action resolves this issue?

A.

Enable IP redirects.

B.

Set the MTU to 1500 bytes.

C.

Configure HSRP version 2.

D.

Configure the same HSRP group on both devices.

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Question # 14

Drag and drop the commands from the left onto the correct categories on the right.

300-615 question answer

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Question # 15

A user reports that they cannot reach from a UCS server to an FC Storage array. Which command is used to test communication between an FCF and a target?

A.

fcroute

B.

traceroute

C.

fcping

D.

ping

Full Access
Question # 16

Refer to the exhibit.

300-615 question answer

A blade that is connected to FI-B fails to boot from a SAN LUN. The boot policy is configured to boot by using vHBA1 as the SAN Primary. Which set of actions resolves the issue?

A.

• Set ESX01_B zone to VSAN 20.

• Create a new vHBA and assign VSAN 20.

B.

• vHBA1 to VSAN 20 in Service Profile.

• VMware Adapter Policy on vHBA1.

C.

•Apply VMware Adapter Policy on vHBA1

•Change vHBA1 to VSAN 20 in Service Profile

D.

• Set ESX01_B zone to VSAN 20.

• Change vHBA1 to VSAN 20 in Service Profile

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Question # 17

300-615 question answer

Refer to the exhibit The EEM applet must generate a syslog message whena BGP adjacency faps. This message must be displayed to the console of the switch. However, when a BGP adjacency failure is simulated, no syslog message is displayed. Which action resolves the issue?

A.

Add the event-default action statement.

B.

Modify the policy to use the snmp trap action.

C.

Adjust the policy to match an SNMP OID.

D.

Set the logging priority to Wamings.

Full Access
Question # 18

What does this adapter output indicate?

adapter 1/6/1 (fls): 2# lunlist 9

vnic: 9 lifid: 6

- FLOGI State : flogi est (fc_id Oxac0e04)

- PLOGI Sessions

- WWNN 50:0a:09:83:8d:53:43:44 WWPN 50:0a:09:83:8d:53:43:44 fc_id 0x000000

- LUN's configured (SCSI Type, Version, Vendor, Serial No.)

- LUN ID: Ox0000000000000000 access failure

-REPORT LUNs Query Response

- Nameserver Query Response

-WWPN: 54:b1:6a:94:64:3e:73:44

A.

The configured initiator LUN ID does not match the configured target LUN ID

B.

The target device configuration does not allow the initiator to access the LUN

C.

The port types between the target and initiator are incorrectly configured

D.

The target of the configured zone does not match the target of the configured boot order

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Question # 19

During a boot process of a Cisco UCS C-Series Rack Server, an engineer receives a "No Signal" message from the vKVM and physical connection. Which set of steps resolves the issue?

A.

1- Disconnect the power cord

2- Confirm that all cards are property seated

3- Connect the power cord and power on the server

B.

1- Power off the server and disconnect the power cord

2- Confirm that all cards are property seated

3- Connect the power cord and power on the server

C.

1- Power off the server and disconnect the power cord

2- Confirm that all cards are available

3- Connect the power cord and power on the server

D.

1- Disconnect the power cord

2- Confirm that all cards are properly seated

3- Connect the power cord

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Question # 20

Refer to the exhibit.

300-615 question answer

A network engineer is implementing a Cisco UCS environment. The environment consists of eight servers configured with the same service profile template and Windows 2012 installed. The VFC interfaces of five of these servers are showing the error shown in the exhibit. Which action resolves the issue?

A.

Modify the vHBAs name in the storage connectivity policy

B.

Configure upstream zoning

C.

Decommission and recommission the servers

D.

Modify the boot order in the boot policy

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Question # 21

The VXL AN fabric is deployed with this configuration:

?The VL AN 50 interface has no IP address on VTEP1 and VTEP4.

?The VLAN 100 interface has no IP address on VTEP2 and VTEP3.

? nve1 interface is configured on all VTEPs.

Host A experiences timeouts when attempting to ping host B. Which set of actions allows host A to reach host B7

A.

On VTEP1, associate VNI 30000 to Test_ Telco VRF.

On VTEP4, associate VNI 20000 to Test_ Telco VRF.

B.

On VTEP2, associate VNI 55000 to Test Telco VRF.

On VTEP4, associate VNI 50000 to Test Telco VRF.

C.

On VTEP1, associate VNI 50000 to Test Telco VRFOn VTEP4, associate VNI 50000 to Test Telco VRF.

D.

On VTEP2, associate VNI 30000 to Test Telco VRF

On VTEP4, associate VNI 20000 to Test Telco VRF

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Question # 22

A system administrator connects a Cisco Nexus 2248PQ FEX to a fabric interconnect to expand the ports that

are available for connecting Cisco UCS C-Series Rack Servers. In Cisco UCS Manager, the administrator does

not see the servers connected to this FEX. Which action should be taken to resolve the issue?

A.

The FEX must be exchanged so that it supports the connectivity between fabric interconnects and UCS CSeries

servers

B.

The fabric interconnects must be rebooted before the FEX is recognized

C.

The transceivers must be exchanged to support the connectivity between the FEX and the fabric

interconnects

D.

The ports that connect the FEX to the fabric interconnects must be configured as server ports

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Question # 23

A Cisco UCSB-Series Blade Server is configured to boot a VMwareESXi host from an EMC VNX storage array by using a Fibre Channel SAN. The boot order is confirmed to be configured as expected but the server fails to boot from the SAN. Which action reserves the problem?

A.

Set the same WWPN pools for vHBA adapters

B.

Set the boot LUN to the highest LUN ID in the storage array

C.

Set the boot LUN to the lowest LUN ID in the storage array

D.

Set the same WWNN pools for vHBA adaptor

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Question # 24

Refer to the exhibit.

300-615 question answer

A network engineer notices packet drops on FCoE traffic from the servers. Which action resolves the issue?

A.

Apply flowcontrol receive on the interface.

B.

Apply flowcontrol transmit on the interface.

C.

Enable priority flow control on the interface.

D.

Disable priority flow control on the interface.

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Question # 25

Refer to the exhibit.

300-615 question answer

A Postman call to a Cisco APIC fails. The access credentials were confirmed to be configured as expected. Which action resolves the issue?

A.

Change operation type to POST

B.

Modify the protocol to HTTP

C.

Change the IP address to a domain name

D.

Modify the target protocol type to XML

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Question # 26

Refer to the exhibit.

300-615 question answer

The EEM script is applied in the default VDC to collect the outputs during high CPU utilization on the Cisco Nexus 7000 Series Switch for all VDCs. Which configuration set must be added to the script to fix the issue?

A.

switch(config-apple)# event snmp 1.3.6.1.4.1.9.9.109.1.1.1.1.6.1 get-type exact entry-op ge entry-val 50 poll-interval 1

switch(config-apple)# action 0.2 cli enable

switch(config-apple)# action 0.5 cli switchto vdc Core

switch(config-apple)# action 0.8 cli switchto vdc Distribution

B.

switch(config-apple)# event snmp oid 1.3.6.1.4.1.9.9.109.1.1.1.1.6.1 get-type exact entry-op ge entry-val 50 poll-interval 1

switch(config-apple)# action 0.2 cli enable

switch(config-apple)# action 0.5 cli switchto vdc Core

switch(config-apple)# action 0.8 cli switchto vdc Distribution

C.

switch(config-apple)# event snmp oid 1.3.6.1.4.1.9.9.109.1.1.1.1.6.1 get-type exact entry-op ge entry-val 50 poll-interval 1

switch(config-apple)# action 0.2 cli config t

switch(config-apple)# action 0.5 cli switchto vdc Core

switch(config-apple)# action 0.8 cli switchto vdc Distribution

D.

switch(config-apple)# event snmp 1.3.6.1.4.1.9.9.109.1.1.1.1.6.1 get-type exact entry-op ge entry-val 50 poll-interval 1

switch(config-apple)# action 0.2 cli config t

switch(config-apple)# action 0.5 cli switchto vdc Core

switch(config-apple)# action 0.8 cli switchto vdc Distribution

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Question # 27

Refer to the exhibit.

300-615 question answer

After a failover occurs, which two actions must be performed on Switch-B to manually preempt the operational primary role back to Switch-A? (Choose two.)

A.

Configure the local vPC role priority to have a lower value than Switch-A.

B.

Configure the local vPC role priority to have a higher value than Switch-A.

C.

Disable and then re-enable the vPC peer-keepalive link.

D.

Configure the local vPC role priority to have the same value as Switch-A.

E.

Disable and then re-enable the vPC peer link.

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Question # 28

NO: 80

300-615 question answer

Refer to the exhibit. During a maintenance window of the Nexus switch pair, one of the Cisco Nexus chassis was brought offline for maintenance. The primary Cisco Nexus switch was stable during the maintenance window. After finishing the

tasks on the chassis, the administrator wanted to bring the second switch online. The administrator checked the status of the disconnected switch that was removed from the vPC during the maintenance. The engineer must connect the peer chassis seamlessly with the primary vPC peer without experiencing traffic interruption. Which action accomplishes this goal?

A.

Change the role priority, then connect the peer switch.

B.

Change the auto recovery to disabled, and enable auto recovery.

C.

Change the auto recovery timer to active if not already set, then re-establish the connectivity.

D.

Change the auto timer to a higher value, then connect the peer switch.

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Question # 29

A network engineer finds an error that says, "BIOS failed power-on self-test." When the engineer checks the console, they discover that the Cisco UCS Blade firmware upgrade process stopped at the "Configuring and testing memory" stage.

Which set of actions resolves the issue?

A.

1. Add the CIMC firmware on a server.

2. Initialize the CIMC firmware on a server.

B.

1. Update the BIOS firmware on a server.

2. Activate the BIOS firmware on a server

C.

1. Create a new host firmware package.

2. Assign the host firmware package to the service profile template.

D.

1. Upgrade the firmware on an adapter.

2. Enable the firmware on an adapter.

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Question # 30

Refer to the exhibit.

300-615 question answer

Interface fc1/5 is offline. Which action should be taken to troubleshoot the issue?

A.

Activate the correct zoneset for VSAN 100.

B.

Update the FLOGI database to contain the FLOGI entries for interface fc1/5 in VSAN 100.

C.

Update the FCNs database to contain names for VSAN 100.

D.

Configure the upstream ports and the server ports to be in VSAN 100.

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Question # 31

Refer to the exhibit.

300-615 question answer

vPC between switch1 and switch2 is not working. Which two actions are needed to fix the problem? (Choose two.)

A.

Match vPC domain ID between the two devices.

B.

Configure IP address on the interface.

C.

Activate VLANs on the vPC.

D.

Configure vPC peer link and vPC peer keepalive correctly.

E.

Configure one of the switches as primary for the vPC.

Full Access
Question # 32

Drag and drop the actions from the left onto the faults that they resolve on the right. Not all options are used.

300-615 question answer

Full Access
Question # 33

300-615 question answer

300-615 question answer

300-615 question answer

Refer to the exhibit. A network engineer must use BGP to route IPv4 and IPv6 routes between R1 and R2. The IPv4 addresses are exchanged as expected between the routers through BGP. The routers have reached an Established BGP state. However, the IPv6 routes from R2 fail to show in the routing table of R1. Which action resolves the issue?

A.

Create a route map that sets the IPv6 next hop.

B.

Advertise L2VPN EVPN under IPv4 unicast address family

C.

Configure an IPv6 BGP neighbor on R1

D.

Enable IPv6 routing on R1

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Question # 34

An attempt to use a global vNIC redundancy template pair results in a service profile that fails to apply. Which action resolves the issues?

A.

Create the peer names before creating the templates.

B.

Assign the secondary template first, and then set the peer name.

C.

Assign both templates simultaneously.

D.

Assign the primary template first, and then set the peer name.

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Question # 35

Refer to the exhibit.

300-615 question answer

An engineer configures the server port on a Cisco Nexus 5000 Series Switch. The switch connects to an NPV edge switch port. The server fails to send the FC traffic to the fabric. Which action resolves the issue?

A.

Enable the NPIV mode on the Cisco Nexus 5000 switch.

B.

Match the VSAN membership on both ends of the connection.

C.

Configure the BB_credit buffer on the uplink port.

D.

Replace the SFP in slot fc2/12.

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Question # 36

Refer to the exhibit.

300-615 question answer

A network engineer has connected the Nexus switch management port to the Internet using DHCP to allow the Guest shell running on the switch to download Python packages. The engineer can ping google.com successfully from the Nexus switch, but the Guest shell failed to download any Python packages. Which action resolves the problem?

A.

Update the Python packages on the Cisco Nexus switch directly.

B.

Manually configure DNS in the Guest shell, even if it is claimed on the Cisco Nexus switch through DHCP.

C.

Manually configure NTP in the Guest shell.

D.

Connect Guest shell to data plane interfaces to be able to connect to the networks outside the Cisco Nexus switch.

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Question # 37

A server fails to boot from the operating system after a RAID1 cluster migration. The RAID remains in an inactive state during and after a service profile association. Which action resolves the issue?

A.

Configure the SAN boot target in the service profile.

B.

Configure the SAN boot target to any configuration mode.

C.

Use a predefined local disk configuration policy.

D.

Remove the local disk configuration policy.

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Question # 38

300-615 question answer

Refer to the exhibit. An engineer troubleshoots an OSPF neighborship problem between Router R2 and Router R10. Which action resolves the problem?

A.

Change area ID on Router R10

B.

Resolve unicast reply from Router R2

C.

Resolve authentication type on Router R10

D.

Change router ID on Router R10

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Question # 39

300-615 question answer

300-615 question answer

Refer to the exhibit. UCS- 1 fails to connect to the storage array. Which action resolves the issue?

A.

Set the FI-A mode to FC End Host mode.

B.

Enable N9K-1 mode to N-Port ID Virtualization.

C.

Configure N-Port ID Virtualization on FI-A.

D.

Implement N-Port Mirtualization on N9K-1.

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Question # 40

An engineer upgrades Cisco UCS firmware from release 3. 1(2) to release 3. 1(3) using Autolnstall. Both fabric interconnects go ofline during the software upgrade installation and issue multiple F SM retries in the DeployPollActivate stage. Which set of actions resolves the issue?

A.

Fix the rights to 666 with the debug plugin on the primary fabric interconnet Save the current configuration on the running fabric interconnect.

Continue the upgrade on both fabric interconnects.

B.

Enable the management interface monitoring policy on the fabric interconnects. Initiate a configuration backup on both fabric interconnects.

Commit the pending fabric interconnect reboot activity.

C.

Acknowledge the error and reboot the primary fabric interconnect. Clear the default firmware version and upload a new one.

Restart the upgrade process manually.

D.

Clear the startup version of the default infrastructure and server pack. Remove the service pack from the subordinate node.

Upgrade with the Force attribute through Autolnstall.

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Question # 41

Refer to the exhibit.

300-615 question answer

An engineer is troubleshooting the connectivity between Server-1 and Server-2. Which action resolves the connectivity issue?

A.

Enable BGP advertise pip feature on both leaf switches

B.

Configure the same source IP address on NVE and virtual peer link on leaf switches

C.

Classify CFS messages for strict priority queue on spine switches

D.

Change all ports on spine switches as port-type fabric

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Question # 42

An IOM fails during a firmware upgrade and is unresponsive. Which action recovers the module?

A.

B. Reset the faulty module from the peer IOM

B.

C. Reinstall the firmware using Auto Install.

C.

D. Restore the Cisco UCS Manager configuration from backup.

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Question # 43

A Cisco Nexus 9000 Series Switch crashes and fails to boot. An engineer must recover the switch and investigate the issue. The switch uses 172.20.50.213/24 IP address for management and its default gateway is 172.20.50.254. Drag and drop the steps for recovering the Cisco Nexus 9000 Series Switch from the left onto the right. Not all steps are used.

Select and Place:

300-615 question answer

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Question # 44

A customer configures HSRP between two data centers that are interconnected with OTV. The configuration succeeds, but traffic between two ESXi virtual hosts on the same site is routed suboptimally through the OTV overlay. Which two actions optimize the traffic? (Choose two.)

A.

Disable first-hop redundancy.

B.

Filter HSRP traffic by using a Layer 3 VACL on the OTV edge devices.

C.

Filter HSRP by using a Layer 2 MAC-list on the ESXi vSwitch.

D.

Filter HSRP traffic by using a Layer 3 VACL on the ESXi vSwitch.

E.

Filter HSRP by using a Layer 2 MAC-list on the OTV edge devices.

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Question # 45

Refer to the exhibit.

300-615 question answer

Cisco UCS Manager is being upgraded using the Auto Install feature, but the FSM fails. Which action resolves the issue?

A.

Acknowledge the primary fabric interconnect.

B.

Remove the service pack from the subordinate fabric interconnect.

C.

Clear the startup version of the default infrastructure pack.

D.

Upgrade the firmware of the infrastructure firmware by using the force option.

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Question # 46

A network engineer must connect a Cisco UCS Fabric Interconnect cluster to the Cisco ACI. VMware ESXi hypervisors have been installed on Cisco UCS blades and a VMware VMM domain has been configured. However, virtual machines fail to reach their default gateway in the Cisco ACI Fabric. The engineer investigates the issue and notices that the VMware Distributed Switch (VDS) teaming policy is set to "Route based on IP hash". Which action resolves the issue?

A.

Configure the vSwitch Policy on the VMM domain.

B.

Disable the On-demand EPG resolution immediacy setting in ACI.

C.

Disable the VMware Network I/O Control on the VDS.

D.

Configure the vSwitch Policy on a VDS.

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Question # 47

An engineer attempts to register Cisco UCS Manager to Cisco UCS Central, but the registration fails. The engineer can ping Cisco UCS Central from UCS Manager. Which two actions must the engineer attempt to resolve the problem? (Choose two.)

A.

Synchronize the date and time to NTP for Cisco UCS Central and the Cisco UCS domains.

B.

Apply the UCS Central license to UCS Central.

C.

Place Cisco UCS Manager on the same subnet as Cisco UCS Central.

D.

Allow port 443 between Cisco UCS Manager and Cisco UCS Central.

E.

Allow port 9443 between Cisco UCS Manager and Cisco UCS Central.

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Question # 48

Refer to the exhibit.

300-615 question answer

A network engineer finds one of the fabric interconnects offline when connecting L1 and L2 ports on both fabric interconnects. Which action resolves the issue?

A.

1. Connect to Fabric Interconnect B.

2. Verify the cluster status and HA election.

3. Validate Fabric Interconnect B hardware issues.

B.

1. Connect to Fabric Interconnect A.

2. Verify the cluster status and HA election.

3. Validate Fabric Interconnect A hardware issues.

C.

1. Connect Fabric Interconnect B and change the role to primary.

2. Reboot Fabric Interconnect B.

3. Add the Fabric Interconnect A as subordinate fabric to the cluster.

D.

1. Connect Fabric Interconnect B and execute “Erase configuration”

2. Reboot Fabric Interconnect B.

3. Add the subordinate Fabric Interconnect to the cluster.

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Question # 49

Refer to the exhibit.

300-615 question answer

A network administrator must delete a feature group from a Cisco Nexus 5000 Series Switch. Which action resolves the issue?

A.

Detach the association with the no rule command within the role configuration mode

B.

Detach the association with the no role command within the feature-group configuration mode

C.

Detach the association with the no rule command within the feature-group configuration

D.

Detach the association with the no role command within the role configuration mode

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Question # 50

"A network engineer troubleshoots an issue at a Cisco data center environment with these conditions:

• The data center has Cisco Nexus 9000 Series Switches running the vPC setup.

• The gateway of the servers is an HSRP IP address between the VLAN interfaces configured on both Cisco Nexus switches.

• Some of the client application servers are implementing fast-path forwarding for the return traffic.

• Those servers are sending the return traffic to the VLAN interface MAC address instead of the HSRP MAC address.

The network engineer discovers that some traffic is dropped because it passes the vPC peer link to be forwarded out the vPC interface. What must be configured on the vPC switches to resolve the issue?

A.

peer-switch

B.

peer-gateway

C.

arp synchronize

D.

spanning-tree

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