Cisco 642-980 Online Practice Questions and Exam Preparation

Cisco 642-980 Online Questions & Answers

• Question 1:

  Refer to the exhibit.

  

  Which conditions can trigger on a Cisco Nexus device runningFabricPath?

  A. A switch connected to the Cisco Nexus device is running RSTP instead of STP.
  B. A BPDU with bridge priority set to 61140 is received by the switch edge port.
  C. The switch edge port in the STP domain is not configured as root.
  D. VLAN is configured incorrectly on port-channel 100.
  C. The switch edge port in the STP domain is not configured as root.

• Question 2:

  Refer to the exhibit.

  

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

  A. Two switches have the same zone set name but different zone members.
  B. Two switches have different zone names and different members.
  C. Two switches have the same zone set name and the same members.
  D. Two switches have different zone names.
  A. Two switches have the same zone set name but different zone members.

• Question 3:

  Refer to the exhibit.

  

  What is the cause of the ISSU failure when using the command show system internal csm globalinfo?

  A. The command conf-t is holding a lock and not released it.
  B. The SSN feature is not enabled on both switches.
  C. The reference count is less than 1 due to a lack of successful config-sync.
  D. It cannot be determined from the output.
  E. An Administrator is logged in on another session and has a lock of the session data base to prevent ISSU.
  A. The command conf-t is holding a lock and not released it.

• Question 4:

  Referto the exhibit. An administrator sees this message in the log while merging switch fabrics. What is theissue?

  

  A. Two switches have different zone names with the same members.
  B. Two switches have different zone set names with the same members.
  C. Two switches have the same zone set and zone name, but with different members.
  D. Two switches have the same zone set and zone name with the same members.
  C. Two switches have the same zone set and zone name, but with different members.

• Question 5:

  You receive an error attempting to enable the vPC feature on a Cisco Nexus 7018 Switch. Which Cisco Fabric Services distribution must be operational before the feature can be enabled?

  A. CFSoFC
  B. CFSoIP
  C. CFSoV
  D. CFSoE
  E. CFSoM
  D. CFSoE

• Question 6:

  

  

  While the Nexus 7010 switches are configured with vPC, the Nexus 5000 switch connections to each Nexus 7010 are configured as regular port-channels. Which statement best describes the problem affecting the port channel on N5K1?

  A. LACP is not configured to initiate negotiations.
  B. N5K1 must also be configured with vPC.
  C. load-balancing is not configured correctly on N5K1.
  D. The remote ends of the port-channel on N5K1 cannot use the same interface.
  D. The remote ends of the port-channel on N5K1 cannot use the same interface.

• Question 7:

  Which statement is true regarding LACP configuration?

  A. With LACP, you can bundle up to 16 interfaces in a channel group.
  B. LACP configuration is global and can be only configured by admin.
  C. After removing LACP configuration, you need to reboot the device.
  D. You can disable LACP while any LACP configurations are present.
  A. With LACP, you can bundle up to 16 interfaces in a channel group.

• Question 8:

  OTV is configured璽estpings confirm that it is working butother tests do not seem to perform well. What is the problem?

  A. VLANs are not properly extended.
  B. The multicast groups are not defined properly.
  C. The transport network is not configured to process the overhead that is introduced by OTV.
  D. The overlay may not be enabled.
  C. The transport network is not configured to process the overhead that is introduced by OTV.

• Question 9:

  Which command is used to check for potential vPC configuration consistency problems?

  A. show vpc brief interface
  B. show vpc global config
  C. show vpc consistency-parameters global
  D. show vpc config
  C. show vpc consistency-parameters global

• Question 10:

  The installation of a new OTV network connecting two data centers via a service provider LAN has failed verification steps. Which statement explains why certain types of data are not being successfully transferred across the OTV network?

  A. The number of extended VLANs across all configured overlays may be greater than 256.
  B. The number of MAC addresses on either edge device may exceed 4000.
  C. The additional 42-byte OTV overhead, along with the DF bit being set, may cause the service provider to drop packets based on their 1500 MTU settings.
  D. Having more than two edge devices per site is not supported.
  C. The additional 42-byte OTV overhead, along with the DF bit being set, may cause the service provider to drop packets based on their 1500 MTU settings.