Cisco 642-996 Online Practice Questions and Exam Preparation

Cisco 642-996 Online Questions & Answers

• Question 1:

  After a recent acquisition, you have been asked to merge two SANs into one. Which SAN topology is Cisco recommended?

  A. Core-Edge
  B. Edge-Core-Edge
  C. Core Access
  D. Collapsed Core
  E. Collapsed Core-Edge
  B. Edge-Core-Edge

• Question 2:

  The classical access layer has its limitations due to high rate in which of the following?

  A. oversubscription
  B. jitter
  C. cost
  D. 10 Gigabit Ethernet links
  A. oversubscription

• Question 3:

  Which statement about OTV-extended VLANs that have a SVI associated on the same physical Cisco Nexus 7000 is true?

  A. This setup requires use of F-Series line cards.
  B. Traffic traversing the OTV domain must come from the default VDC.
  C. The Cisco Nexus 7000 must be the spanning-tree root for the VLAN.
  D. Deployment of a dedicated OTV VDC is necessary.
  D. Deployment of a dedicated OTV VDC is necessary.

• Question 4:

  Spanning Tree Protocol runs at which functional layer of the data center?

  A. core layer
  B. access layer
  C. application layer
  D. network layer
  B. access layer

• Question 5:

  Which three control plane operations are used by vPC? (Choose three.)

  A. ARP cache
  B. MAC address learning
  C. CGMP snooping
  D. LACP
  E. BPDUs
  A. ARP cache
  B. MAC address learning
  E. BPDUs

• Question 6:

  Refer to the exhibit.

  

  Assume that all deployed switches are with Supervisor 1 and M-Series line cards. Which statement about the implementation of Cisco FabricPath in the core at sites S1 and S2 is true?

  A. Site S3 should also have FabricPath implemented to ensure optimal traffic flows.
  B. An upgrade to Supervisor 2E is required for FabricPath support.
  C. Installation of additional linecards such as F2 or F2e linecards is required.
  D. OTV and FabricPath cannot coexist on the same switch due to differences in frame formats.
  C. Installation of additional linecards such as F2 or F2e linecards is required.

• Question 7:

  Which three protocols are effective in minimizing the use of STP in the data center design? (Choose three.)

  A. FCoE
  B. vPC
  C. vDC
  D. FabricPath
  E. 802.1ad
  F. STP
  A. FCoE
  B. vPC
  D. FabricPath

• Question 8:

  Which option is needed to implement MACsec on a Cisco Nexus 7000 device?

  A. Supervisor 2E module
  B. Advanced Security license
  C. RADIUS server
  D. M-Series or F3 line cards
  D. M-Series or F3 line cards

• Question 9:

  A client's Cisco network support team has concerns that the security policy may not be correctly enforced within the vNetwork Distributed Switches that form the virtual network edge. What is the Cisco recommended solution to alleviate these concerns?

  A. Direct all logs from vCenter to the network support teams TACACS+ server.
  B. Deploy Cisco Nexus 1000v.
  C. Create a vCenter admin account for the network support team.
  D. Run VMware update manager to apply all security updates.
  E. Replace the Distributed vSwitches with Standard vSwitches.
  B. Deploy Cisco Nexus 1000v.

• Question 10:

  Which two actions are performed at the aggregation layer? (Choose two.)

  A. route summarization
  B. fast convergence
  C. packet filtering
  D. traffic classification
  E. port security
  A. route summarization
  B. fast convergence