cisco 400-151 practice test

Exam Title: CCIE Data Center

Last update: Nov 27 ,2025
Question 1

Refer to the exhibit.

This output is observed when troubleshooting a blade that is unable to boot from SAN.Which action
must the cisco UCS administrator take to resolve this issue?

  • A. Check the zoning configuration on the fibre Channel switch
  • B. Check the vHBA VSAN configuration in service profile
  • C. Check the fatric interconnect storage upink ports
  • D. Check the iscsi initiator group pool
  • E. Check the LUN masking configuration on the storage array
Answer:

A

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Question 2

DRAG DROP
Drag and drop the correct functional component from left to its description on right.

Answer:


Explanation:
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-739609.html

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Question 3

DRAG DROP
Drag and drop the MST Spanning Tree protocol standards from left onto the correct characteristics on
the right.

Answer:


Explanation:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/layer2/configuration/guide/Cisco_Nexus_7000_Series_NX-OS_Layer_2_Switching_Configuration_Guide_Release_5-x_chapter8.html#con_1706067

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Question 4

DRAG DROP
Drag and drop the Spanning Tree protocol standards from left onto the correct characteristics on the
right

Answer:

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Question 5

Refer to the exhibit.

Which two options must be configured on the Layer 3 Gateway switches to isolate the HSRP between
the two data centers? ( Choose two)

  • A. disable HSRP GARP on the SVIs for the VLANs that move across the DCI
  • B. routed access control list on the DCI on the SVIs that blocks the HSRP control traffic
  • C. port access control list on the DCI port-channel that blocks the HSRP control traffic
  • D. VLAN access control list that blocks the HSRP control traffic
  • E. ARP inspection filter that blocks the HSRP GARPs
Answer:

D, E


Explanation:
https://www.cisco.com/c/en/us/support/docs/switches/nexus-7000-series-switches/118934-configure-nx7k-00.html#anc12

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Question 6

Which of the following statements regarding Multi-Pod deployment is true?

  • A. Each Pod is assigned a separate and not overlapping TEP pool
  • B. TEP pools are used for layer 2 communication between the Pods
  • C. Each Pod selects its own TEP pool as its locally significant
  • D. TEP pool are not redistributed to the leaf nodes as they are only limited to spines
Answer:

A


Explanation:
https://www.cisco.com/c/en/us/solutions/collateral/data-center-virtualization/application-centric-infrastructure/white-paper-c11-737855.html

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Question 7

Which two prerequisites for BFD are true? (Choose two)

  • A. Install NETWORK_SERVICES_PKG license
  • B. For Layer 3 port channels used by BFD, you must enable LACP on the port channel
  • C. Disable the IP packet verification check for identical IP source and destination addresses
  • D. Enable ICMP redirect messages on BFD-enabled interfaces
  • E. For Layer 2 port channels used by BFD, you must disable LACP on the port channel
Answer:

BC


Explanation:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/interfaces/configuration/guide/if_cli/if_bfd.html

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Question 8

Object configJob contains which of the following information?

  • A. field lastStepDescr
  • B. admin state
  • C. next object name
  • D. passphrase
Answer:

A


Explanation:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/aci/apic/sw/2-
x/rest_cfg/2_1_x/b_Cisco_APIC_REST_API_Configuration_Guide/b_Cisco_APIC_REST_API_Configura
tion_Guide_chapter_010.pdf

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Question 9

Which two statements about CFS are true? (Choose two)

  • A. CFS distributes the local NTP configuration to the master only, which then forwards it to all devices in the network
  • B. You must manually distribute NTP authentication keys on the NTP server and Cisco NX-OS devices across the network
  • C. If CFS is used to distribute NTP, all devices in the network must have different VRFs configured than the ones used for NTP
  • D. CFS requires a license to be installed before it can be used to distribute NTP
  • E. After enabling CFS, a network-wide lock is applied to NTP whenever an NTP configuration is started and released once after the change has been committed
Answer:

BE


Explanation:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/system_management/6x/b_5500_System_Mgmt_Config_6x/b_5500_System_Mgmt_Config_6x_chapter_010010.html
ExplanationExplanation/Reference:
Explanation:
Cisco Fabric Services (CFS) distributes the local NTP configuration to all Cisco devices in the network.
After
enabling CFS on your device, a network-wide lock is applied to NTP whenever an NTP configuration is
started. After making the NTP configuration changes, you can discard or commit them. In either case,
the CFS lock is then released from the NTP application.

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Question 10

Which three issues can cause OSPF neighbors to not be able to establish an adjacency? (Choose
three)

  • A. Feature Multicast not enabled
  • B. duplicate RIDs
  • C. OSPF instance tag
  • D. hello values
  • E. Interface cost is not set
  • F. MTU
  • G. PIM
Answer:

BDF


Explanation:
ospf instance tag means ospf process-id

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