Cisco 642-873 Online Practice Questions and Exam Preparation

Cisco 642-873 Online Questions & Answers

• Question 111:

  In a collapsed core design, which three benefits are provided by a second-generation Cisco MDS director? (Choose three.)

  A. a higher fan-out ratio
  B. fully redundant switches
  C. 100 percent port efficiency
  D. all ISLs contained within a single chassis
  E. higher latency and throughput than a core-edge design switch
  B. fully redundant switches
  C. 100 percent port efficiency
  D. all ISLs contained within a single chassis

• Question 112:

  Which option is the preferred and most versatile model to deploy IPv6 in existing IPv4 environments?

  A. hybrid
  B. service block
  C. dual stack
  D. processes
  C. dual stack

• Question 113:

  Which two network management capabilities that are embedded in Cisco IOS Software will baseline existing application traffic? (Choose two.)

  A. Syslog
  B. AutoQoS
  C. NetFlow
  D. SNMP
  E. NBAR
  F. Logging
  C. NetFlow
  E. NBAR

• Question 114:

  On which two types of links should routing protocol peerings be established according to best practice? (Choose two.)

  A. distribution links
  B. end user links
  C. transit links
  D. core links
  C. transit links
  D. core links

• Question 115:

  Which option is the Cisco preferred, most versatile, and highest-performance way to deploy IPv6 in existing IPv4 environments?

  A. dual stack
  B. hybrid
  C. service block
  D. dual service
  A. dual stack

• Question 116:

  Which option is a benefit of site-to-site VPNs?

  A. less configuration required than a WAN circuit
  B. more secure than a dedicated WAN circuit
  C. less expensive than a dedicated WAN circuit
  D. more reliable than a dedicated WAN circuit
  C. less expensive than a dedicated WAN circuit

• Question 117:

  When a router has to make a rate transition from LAN to WAN, what type of congestion needs should be considered in the network design?

  A. RX-queue deferred
  B. TX-queue deferred
  C. RX-queue saturation
  D. TX-queue saturation
  E. RX-queue starvation
  F. TX-queue starvation
  F. TX-queue starvation

• Question 118:

  Which two options are advantages of having a modular design instead of an EOR design in a data center? (Choose two.)

  A. cooling constraints
  B. cable bulk
  C. decreased STP processing
  D. redundancy options
  E. cost minimization
  F. low-skilled manager
  C. decreased STP processing
  D. redundancy options

• Question 119:

  A network administrator wants to provide high availability in a data center environment by making sure that there is no reconvergence of Layer 2 and Layer 3 protocols when there is a Layer 3 switch failure. Which Cisco Nexus feature fulfills this purpose?

  A. ISSU
  B. VSS
  C. vPC
  D. MEC
  C. vPC

• Question 120:

  What feature is a benefit of using Cisco UCS blade servers for data center virtualization?

  A. guest VM high availability
  B. converged LAN and SAN infrastructure
  C. host based etherchannel
  D. built-in hypervisor
  B. converged LAN and SAN infrastructure