Cisco 642-874 Online Practice Questions and Exam Preparation

Cisco 642-874 Online Questions & Answers

• Question 81:

  A campus network in a switch block design requires redundant distribution switches, load sharing across uplinks, a loop-free topology, and only one gateway IP address per VLAN. Which switching technology meets all of the requirements?

  A. HSRP
  B. VSS
  C. Spanning Tree Protocol
  D. EtherChannel
  B. VSS

• Question 82:

  DRAG DROP

  Select and Place:

  

  

• Question 83:

  Which three options are basic design principles of the Cisco Nexus 7000 Series for data center virtualization? (Choose three.)

  A. easy management
  B. infrastructure scalability
  C. cost minimization
  D. upgrade of technology
  E. transport flexibility
  F. operational continuity
  B. infrastructure scalability
  E. transport flexibility
  F. operational continuity

• Question 84:

  The network designer needs to consider the number of multicast applications and sources in the network to provide the most robust network possible. Which of the following is a consideration the designer must also address?

  A. The IGPs should utilize authentication to avoid being the most vulnerable component
  B. With SSM source or receiver attacks are not possible
  C. With Shared Trees access control is always applied at the RP
  D. Limit the rate of Register messages to the RP to prevent specific hosts from being attacked on a PIM- SM network
  B. With SSM source or receiver attacks are not possible

• Question 85:

  DRAG DROP

  Select and Place:

  

  

• Question 86:

  A network engineer must perform posture assessments on Cisco ASA remote access VPN clients and control their network access based on the results. What mode is the Cisco best practice NAC deployment design for this situation?

  A. Layer 2 in-band real IP gateway mode
  B. Layer 2 out-of-band real IP gateway mode
  C. Layer 3 in-band virtual gateway mode
  D. Layer 3 out-of-band virtual gateway mode
  C. Layer 3 in-band virtual gateway mode

• Question 87:

  Which two options improve BGP scalability in a large autonomous system? (Choose two.)

  A. route reflectors
  B. route redistribution
  C. confederations
  D. communities
  A. route reflectors
  C. confederations

• Question 88:

  Click the Exhibit button.

  

  Refer to the exhibit. Which Layer 2 feature detects a link failure between the switch and router B that decreases OSPF reconvergence to approximately 50 milliseconds?

  A. BFD
  B. UDLD
  C. RSTP
  D. PVST+
  A. BFD

• Question 89:

  Which router type injects external LSAs into the OSPF database using either other routing protocols or static routes?

  A. backbone router
  B. ABR
  C. internal router
  D. designated router
  E. ASBR
  E. ASBR

• Question 90:

  Which three statements about zoning are correct? (Choose three.)

  A. Zoning increases security.
  B. DNS queries are used for software zoning.
  C. Software zoning is more secure than hardware zoning.
  D. When using zones and VSANs together, the zone is created first.
  E. Zoning requires that VSANs be established before it becomes operational.
  A. Zoning increases security.
  B. DNS queries are used for software zoning.
  E. Zoning requires that VSANs be established before it becomes operational.