Cisco 642-874 Online Practice Questions and Exam Preparation

Cisco 642-874 Online Questions & Answers

• Question 11:

  Which two modes does LACP support? (Choose two.)

  A. on
  B. passive
  C. associated
  D. link
  A. on
  B. passive

• Question 12:

  Two companies recently merged and want to integrate their networks. Both utilize EIGRP to support their complex enterprise networks. Which action can improve the performance of these two separate EIGRP domains?

  A. Enable route summarization at redistribution points.
  B. Adjust the administrative distance to prefer the best routes to each destination.
  C. Remove EIGRP and utilize OSPF instead.
  D. Utilize EIGRP stub routing between the network boundaries of the companies.
  A. Enable route summarization at redistribution points.

• Question 13:

  Which statement about IPS and IDS solutions is true?

  A. IDS and IPS read traffic only in inline mode.
  B. IDS and IPS read traffic only in promiscuous mode.
  C. An IDS reads traffic in inline mode, and an IPS reads traffic in promiscuous mode.
  D. An IDS reads traffic in promiscuous mode, and an IPS reads traffic in inline mode.
  D. An IDS reads traffic in promiscuous mode, and an IPS reads traffic in inline mode.

• Question 14:

  Support of vPC on the Cisco Nexus 5000 access switch enables various new design options for the data center Access layer, including which of the following?

  A. The vPC peer link is not required for Access layer control traffic, and can instead be used to span VLANs across the vPC access switches
  B. A single switch can associate per-interface with more than one vPC domain
  C. vPC can be used on both sides of the MEC, allowing a unique 16-link EtherChannel to be built between the access and aggregation switches
  D. Allows an EtherChannel between a server and a access switch while still maintaining the level of availability that is associated with dual-homing a server to two different access switches
  C. vPC can be used on both sides of the MEC, allowing a unique 16-link EtherChannel to be built between the access and aggregation switches

• Question 15:

  A company's virtualization team wants to transfer control of network switching and policy management for VMware virtual servers to the networking team. What Cisco network virtualization solution should be implemented?

  A. Unified Computing System
  B. Nexus distributed virtual switch
  C. virtual network agent
  D. Nexus unified fabric switch
  B. Nexus distributed virtual switch

• Question 16:

  Which option describes the purpose of the auto-cost reference bandwidth 10000 command under the OSPF process?

  A. Recognize redundant 10 Megabit links.
  B. Differentiate cost on a 10 Gigabit Ethernet trunk link.
  C. Change the default bandwidth for a 100 Megabit link.
  D. Adjust the link bandwidth for routing protocols.
  B. Differentiate cost on a 10 Gigabit Ethernet trunk link.

• Question 17:

  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 18:

  A network designer wants to improve security at the edge of the network and allow routing protocols to communicate without any additional configuration. What firewall mode meets the design requirements?

  A. routed
  B. zoned
  C. context
  D. transparent
  D. transparent

• Question 19:

  NBAR is deployed on the network as part of network optimization. Which technology is critical to recognize new applications on the network?

  A. PDLM
  B. ACLs
  C. code upgrade
  D. additional licenses
  A. PDLM

• Question 20:

  Which two ways to support secure transport of multicast traffic are true? (Choose two.)

  A. Use spoke-to-spoke design.
  B. Use IPsec over GRE tunnel.
  C. Use GET VPN.
  D. Use NBMA instead of broadcast.
  E. Disable encryption for multicast traffic.
  B. Use IPsec over GRE tunnel.
  C. Use GET VPN.