Cisco 642-874 Online Practice Questions and Exam Preparation

Cisco 642-874 Online Questions & Answers

• Question 151:

  There are 3 steps to confirm whether a range of IP addresses can be summarized. Which of the following is used in each of these 3 steps?

  A. The first number in the contiguous block of addresses
  B. The last number in the contiguous block of addresses
  C. The size of the contiguous block of addresses
  D. The subnet mask of the original network address
  C. The size of the contiguous block of addresses

• Question 152:

  Which two of these are characteristics of multicast routing? (Choose two.)

  A. multicast routing uses RPF.
  B. multicast routing is connectionless.
  C. In multicast routing, the source of a packet is known.
  D. When network topologies change, multicast distribution trees are not rebuilt, but use the original path
  E. Multicast routing is much like unicast routing, with the only difference being that it has a a group of receivers rather than just one destination
  A. multicast routing uses RPF.
  C. In multicast routing, the source of a packet is known.

• Question 153:

  A company requires real-time SAN replication between two remote locations. What is the standard path selection protocol for fabric routing?

  A. FSPF
  B. FICON
  C. FCOE
  D. SCSI
  A. FSPF

• Question 154:

  To support the enterprise high-availability requirements, which workgroup switch technology can be used to interconnect multiple switches into a single logical unit?

  A. StackWise
  B. EtherChannel
  C. VSS
  D. vPC
  E. Flex Links
  A. StackWise

• Question 155:

  A well-designed IP addressing scheme supporting role-based functions within the subnet will result in the most efficient use of which technology?

  A. Layer 3 switching in the core
  B. Network Admission Control (NAC)
  C. IP telephony (voice and video) services
  D. ACLs
  D. ACLs

• Question 156:

  Which of the following is true regarding the effect of EIGRP queries on the network design?

  A. EIGRP queries will be the most significant issue with respect to stability and convergence
  B. EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a next hop AD that is greater than the FD of the current successor route
  C. EIGRP queries will only increase the convergence time when there are no EIGRP stubs designed in the network
  A. EIGRP queries will be the most significant issue with respect to stability and convergence

• Question 157:

  Which of these is a recommended practice with trunks?

  A. use ISL encapsulation
  B. use 802.1q encapsulation
  C. set ISL to desirable and auto with encapsulation negotiate to support ILS protocol negotiation
  D. use VTP server mode to support dynamic propagation of VLAN information across the network
  B. use 802.1q encapsulation

• Question 158:

  A network engineer must provide 40mb connections from the data center to the corporate office and two remote offices. What WAN connectivity option will outsource the routing in cooperation with the service provider?

  A. Ethernet Private Line
  B. Ethernet Multipoint Service
  C. MPLS VPN
  D. VPLS
  C. MPLS VPN

• Question 159:

  Which option is the Cisco recommendation for data oversubscription for access ports on the access-to- distribution uplink?

  A. 4 to 1
  B. 20 to 1
  C. 16 to 1
  D. 10 to 1
  B. 20 to 1

• Question 160:

  Which three virtualization categories are in campus networks? (Choose three.)

  A. Layer 2 virtualization
  B. Layer 3 clustering
  C. network virtualization
  D. device virtualization
  E. network clustering
  F. device clustering
  C. network virtualization
  D. device virtualization
  F. device clustering