Cisco 642-980 Online Practice Questions and Exam Preparation

Cisco 642-980 Online Questions & Answers

• Question 31:

  Why do color blocking logic counters increment while the unidirectional packet flow is troubleshot in a FabricPath topology?

  A. One of the switches in the topology has gone down.
  B. A FabricPath loop has been detected.
  C. FabricPath switch IDs are overlapped in the current topology.
  D. VLANs are being blocked due to missing FabricPath VLANs.
  D. VLANs are being blocked due to missing FabricPath VLANs.

• Question 32:

  Refer to the exhibit.

  An administrator is deploying FCoE; however, a VFC interface will not come up.The administrator executes the commandshow platform software fcoe_mgr info interface vfc and displays the output. What is the problem?

  A. Connecting a Cisco MDS switch to a Cisco Nexus switch with Fibre Channel is not supported.
  B. The port must be in the same VSAN.
  C. There is a port type mismatch. They both must be F ports.
  D. The speed must be set to 8 Gbps.
  E. It is still initializing the port on the Cisco Nexus switch.
  B. The port must be in the same VSAN.

• Question 33:

  Refer to the exhibit.

  

  What command should you execute next in resolving a lock failure?

  A. ntp execute
  B. ntp commit
  C. ntp lock
  D. ntp help
  E. ntp detail
  B. ntp commit

• Question 34:

  A customer calls you to report that it receives an error when entering the pinning max-links 4 command in FEX configuration mode on its Cisco Nexus 5596T Switch. Which of these is a likely cause for this condition?

  A. The FEX fabric interface is down.
  B. The transceiver is incorrect.
  C. A fabric interface is in a port channel.
  D. The fabric interface switchport mode is set to Access.
  E. Only two fabric interfaces are connected.
  C. A fabric interface is in a port channel.

• Question 35:

  What are three reasons that could cause fabric merge problems in a Cisco SAN? (Choose three.)

  A. Failure occurs when a switch supports more than 2000 zones per VSAN but its neighbor does not.
  B. All devices are in the same VSAN.
  C. The merged fabrics contain inconsistent data that could not be merged.
  D. Both host and storage are logged in to the same SAN.
  E. Small configurations may wipe out the large configurations.
  F. The VSAN database is error-disabled.
  A. Failure occurs when a switch supports more than 2000 zones per VSAN but its neighbor does not.
  C. The merged fabrics contain inconsistent data that could not be merged.
  E. Small configurations may wipe out the large configurations.

• Question 36:

  A customer reports that it cannot establish a vPC peer link between two Cisco Nexus 5548UP Switches. The interfaces on both switches are configured and cabled correctly. The interface status is up/down on switch 1 and up/up on switch 2. Which three steps are taken to isolate the root cause? (Choose three.)

  A. ask the customer if the link was ever functional
  B. determine whether the fiber-optic cable type (single mode or multimode) matches the X2 modules
  C. swap the fiber-optic cable with one known to be good
  D. swap the transceivers between the two interfaces
  E. swap the ends of the fiber-optic cable
  C. swap the fiber-optic cable with one known to be good
  D. swap the transceivers between the two interfaces
  E. swap the ends of the fiber-optic cable

• Question 37:

  Refer to the exhibit. Which two options are causes of the error when setting up VM-FEX on the Cisco UCSB-Series Blades? (Choosetwo.)

  

  A. Dynamic vNICs are not supported on the version the admin is running.
  B. The network adapter in the blade does not support dynamic vNICs.
  C. Too many dynamic vNICs are configured.
  D. Dynamic vNICs are not required for VM-FEX.
  E. The dynamic vNIC connection policy was never applied to the service profile.
  B. The network adapter in the blade does not support dynamic vNICs.
  C. Too many dynamic vNICs are configured.

• Question 38:

  Which two occurrences happen during an ISSU? (Choose two.)

  A. FLOGI/fdisc or logo requests from servers fail until the ISSU is complete.
  B. The time-to-live value for CDP is increased (360 seconds) if it is less than the recommended timeout value.
  C. LACP is not affected because ISSU should not impact peers that rely on LACP because the recovery time is less than 90 seconds.
  D. NTP sessions stay alive and active.
  E. The control plane is offline for up to 300 seconds.
  A. FLOGI/fdisc or logo requests from servers fail until the ISSU is complete.
  C. LACP is not affected because ISSU should not impact peers that rely on LACP because the recovery time is less than 90 seconds.

• Question 39:

  Which command would you use to check the status of your configuration synchronization peer?

  A. N5K2# show switch-profile peer
  B. N5K2# show config-sync peer
  C. N5K2# show synch peer
  D. N5K2# show peer status
  E. N5K2# show switch peer
  A. N5K2# show switch-profile peer

• Question 40:

  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. HSRP is not configured correctly.
  B. A VACL is missing.
  C. A PACL is missing.
  D. This cannot be done.
  B. A VACL is missing.