Cisco 642-996 Online Practice Questions and Exam Preparation

Cisco 642-996 Online Questions & Answers

• Question 11:

  The classical aggregation layer design does not provide isolation on the control plane and on the data plane. What is the solution to this problem?

  A. STP
  B. VDC
  C. Cisco ISO ISSU
  D. HSRP
  B. VDC

• Question 12:

  You are designing the virtual access layer. Virtual machines must have visibility into all VLANs on the network. Which VLAN tagging configuration must you use?

  A. virtual switch tagging B. virtual machine guest tagging
  C. external switch tagging
  D. disabled VLAN tagging
  A. virtual switch tagging B. virtual machine guest tagging

• Question 13:

  Which technology provides the ability to use all links in a LAN topology by providing an active-active path to the upstream switch?

  A. STP
  B. vPC
  C. PVST+
  D. RSTP
  B. vPC

• Question 14:

  A customer is interested in endpoint security at the access layer, which option is Cisco recommended?

  A. ACLs
  B. DAI
  C. TrustSec
  D. stateful inspection
  E. UDLD
  C. TrustSec

• Question 15:

  Which item represents a method of increasing storage utilization efficiency?

  A. thin provisioning
  B. thick provisioning
  C. transparent provisioning
  D. hold-back provisioning
  E. weighted provisioning
  A. thin provisioning

• Question 16:

  Which access layer technology will provide redundancy if there is a link failure on a server link?

  A. VDC
  B. MPLS
  C. vPC
  D. Cisco OTV
  C. vPC

• Question 17:

  Cisco VM-FEX technology extends Cisco Fabric Extender technology to the virtual machine that eliminates which one of the following?

  A. The dedicated interface on the parent switch is eliminated.
  B. The software-based switch in the hypervisor is eliminated.
  C. All virtual machine traffic is eliminated.
  D. The need for a physical switch is eliminated.
  B. The software-based switch in the hypervisor is eliminated.

• Question 18:

  You plan to build a Tier 1 data center with less redundant components. Which series of devices must you use for a top-of-rack solution?

  A. Cisco Nexus 5500
  B. Cisco Nexus 2000
  C. Cisco Nexus 5000
  D. Cisco Nexus 7000
  C. Cisco Nexus 5000

• Question 19:

  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 20:

  Refer to the exhibit.

  

  Which technology achieves Layer 2 adjacencies across PoDs and features equal-cost forwarding on all links in topologies like the one shown?

  A. vPC+
  B. IS-IS level 2
  C. multiple spanning-trees
  D. FabricPath
  D. FabricPath