Cisco 642-980 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 642-980
Exam Name/Title: Troubleshooting Cisco Data Center Unified Fabric (DCUFT)
Certification Provider: Cisco
Corresponding Certification: CCNP Data Center

Exam Questions: 148
Updated On: Aug 07, 2026

Question #1

When you look at the HSRP state for devices on a VLAN that is extended by OTV, you see the following states: Active, Standby, and Listen. However, you intended each data center device to show the state as Active and Standby. What is the problem?

A. This cannot be done.

B. HSRP is not configured correctly.

C. A VACL is missing.

D. A PACL is missing.

Discussion 0

Correct Answer: C Vote an answer

Question #2

A customer is deploying multihop FCoE in its network. Which guideline must the customer follow with respect to VE ports to make this deployment possible?

A. VE-port interface binding to MAC addresses is supported.

B. VE-port trunking is supported over FCoE-enabled VLANs.

C. A VE port is disabled for trunk mode by default.

D. Auto mode on the vFC interface is supported.

Discussion 0

Correct Answer: B Vote an answer

Question #3

Which two describe the correct requirements for non-disruptive IOS ISSU on Cisco Nexus
7000 Series Switches? (Choose two.)

A. dual supervisors

B. low version skew

C. clock synchronization

D. updated kickstart and system images must be staged in bootflash on single-supervisor switches

E. updated kickstart and system images must be staged in bootflash on dual-supervisor switches

Discussion 0

Correct Answer: A,B Vote an answer

Question #4

You are attempting to configure boot from SAN on your server that is attached to a Cisco
MDS 9148 Fibre Channel switch. What is a possible issue that may occur?

A. Check the status of the licenses on the Fibre Channel switch.

B. NPIV is not configured on the Fibre Channel switch.

C. Boot from SAN is not supported via the Fibre Channel protocol.

D. NPV is not configured on the Fibre Channel switch.

Discussion 0

Correct Answer: B Vote an answer

Question #5

You must check all of the MAC addresses that are learned for the extended VLANs in an
OTV environment. Which command must you use?

A. show otv overlay

B. show otv route

C. show interface overlay

D. show otv adjacency

Discussion 0

Correct Answer: D Vote an answer

Question #6

Refer to the exhibit.

A customer is having a problem with NPV. Which of these is the cause of the problem?

A. Internal links are down and must be up for the server interface to be up.

B. One external link must be up for server interface to be up.

C. No server was requested or received by the FLOGI database.

D. Multiple external links must be up for the server to come up.

Discussion 0

Correct Answer: B Vote an answer

Question #7

Refer to the exhibit.

A zone merge failure occurs with the above error log. What is the problem?

A. Two switches have different zone names and different members.

B. Two switches have the same zone set name but different zone members.

C. Two switches have the same zone set name and the same members.

D. Two switches have different zone names.

Discussion 0

Correct Answer: B Vote an answer

Question #8

Why do the lists not contain the same switches, after you issue the commands show cfs peers name and show cfs merge status?

A. A Cisco Fabric Services database lock has prevented the merge.

B. The Cisco Fabric Services fabric has a physical port fault that should be investigated.

C. The fabric is partitioned into multiple Cisco Fabric Services fabrics.

D. Cisco Fabric Services need to be restarted to see the new switches.

E. The merge cannot occur until the VSAN IDs are synched.

Discussion 0

Correct Answer: C Vote an answer

Question #9

Refer to the exhibit.

An administrator sets up a FabricPath network. The administrator tries to ping between two
SVI interfaces on the leaf switches 10 and 20, but it fails. What caused the pings to fail?

A. Switches S1, S2, and S3 should be interconnected directly.

B. The vPC peer gateway must be enabled on switches S10 and S20.

C. VLAN 10 is not enabled on the spine switches (S1, S2, and S3).

D. Layer 3 over a vPC+ peer link is not supported.

E. Switches S10 and S20 do not have F2 modules.

Discussion 0

Correct Answer: C Vote an answer

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