Cisco 642-980 Online Practice Questions and Exam Preparation

Cisco 642-980 Online Questions & Answers

• Question 121:

  In order to fulfill the requirement to prevent the creation of end-to-end loops across a multihomed OTV network that connects two different data centers, what is the solution to this problem?

  A. prioritize the transmission of STP BPDUs across the overlay
  B. design the DCI connectivity as a hub and spoke
  C. define a conservative TTL for all packets traversing the OTV network
  D. enable AED on a per-VLAN basis between each OTV edge device with the same site ID
  D. enable AED on a per-VLAN basis between each OTV edge device with the same site ID

• Question 122:

  You have upgraded your Cisco Nexus 7009 Switches and converted the default VDC to an admin VDC. You notice that all of the ACLs are still present on the admin VDC after the conversion. What should you do?

  A. enable configuration synchronization between the admin VDC and the production VDCs
  B. delete the ACLs
  C. delete all ACLs except those related to CoPP
  D. delete all ACLs except those bound to resource templates
  E. use the system admin-vdc acl command to properly migrate ACLs
  B. delete the ACLs

• Question 123:

  Which three statements are true about using the debug command to resolve an HSRP issue on the Cisco Nexus platform? (Choose three.)

  A. The debug command should be allowed to run for at least an hour.
  B. The administrator can log debug messages to a special log file to avoid flooding the console.
  C. Open a second Telnet or SSH session before you enter any debug commands so that if the debug session overwhelms the console, you can stop the message output.
  D. Use the debug command only under the guidance of Cisco Technical Support.
  E. Use the Ethanalyzer remote interface command to capture packets.
  F. The debug peer-gateway command should be used to isolate the problem.
  B. The administrator can log debug messages to a special log file to avoid flooding the console.
  C. Open a second Telnet or SSH session before you enter any debug commands so that if the debug session overwhelms the console, you can stop the message output.
  D. Use the debug command only under the guidance of Cisco Technical Support.

• Question 124:

  Which command is critical in order for OTV edge devices to maintain an overlay adjacency with their local peers in a multihomed site via the join interfaces across the Layer 3 network domain?

  A. otv site-identifier
  B. otv extend-vlan
  C. otv site-vlan
  D. otv use-adjacency-server unicast-only
  A. otv site-identifier