Cisco 642-874 Online Practice Questions and Exam Preparation

Cisco 642-874 Online Questions & Answers

• Question 51:

  Which two design recommendations are most appropriate when EIGRP is the data center core routing protocol? (Choose two.)

  A. Summarize data center subnets.
  B. Advertise a default route into the data center core from the aggregation layer.
  C. Tune the EIGRP timers to enable EIGRP to achieve quicker convergence.
  D. Adjust the default bandwidth value to ensure proper bandwidth on all links.
  A. Summarize data center subnets.
  B. Advertise a default route into the data center core from the aggregation layer.

• Question 52:

  Which Cisco NAC Appliance component is optional?

  A. NAC Appliance Manager
  B. NAC Appliance Server
  C. NAC Appliance Agent
  D. NAC Appliance Policy Updates
  C. NAC Appliance Agent

• Question 53:

  Which NAC design model matches the following definitions? NAS is deployed centrally in the core or distribution layer.

  

  Users are multiple hops away from the Cisco NAS.

  

  After authentication and posture assessment, the client traffic no longer passes through the Cisco NAS.

  

  PBR is needed to direct the user traffic appropriately.

  

  A. Layer 3 in-band virtual gateway
  B. Layer 3 out-of-band with addressing
  C. Layer 2 in-band virtual gateway
  D. Layer 2 out-of-band virtual gateway
  B. Layer 3 out-of-band with addressing

• Question 54:

  Which two design concerns must be addressed when designing a multicast implementation? (Choose two.)

  A. only the low-order 23 bits of the MAC address are used to map IP addresses
  B. only the low-order 24 bits of the MAC address are used to map IP addresses
  C. only the high-order 23 bits of the MAC address are used to map IP addresses
  D. only the low-order 23 bits of the IP address are used to map MAC addresses
  E. the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses
  F. the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresses
  A. only the low-order 23 bits of the MAC address are used to map IP addresses
  F. the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresses

• Question 55:

  Which two protocols are used for high availability in enterprise networks? (Choose two.)

  A. BGP
  B. GLBP
  C. RSTP
  D. VRRP
  E. OSPF
  B. GLBP
  D. VRRP

• Question 56:

  Which of the following two are effective and simple means of employing route summarization within the Enterprise Campus network? (Choose two)

  A. A default route (0.0.0.0 /0) advertised dynamically into the rest of the network
  B. Route filtering to manage traffic flows in the network, avoid inappropriate transit traffic through remote nodes, and provide a defense against inaccurate or inappropriate routing updates
  C. Use manual split horizon
  D. Use a structured hierarchical topology to control the propagation of EIGRP queries
  E. Open Shortest Path First (OSPF) stub areas
  A. A default route (0.0.0.0 /0) advertised dynamically into the rest of the network
  E. Open Shortest Path First (OSPF) stub areas

• Question 57:

  Which two benefits are achieved if a network is designed properly with a structured addressing scheme? (Choose two.)

  A. efficient ACLs
  B. improved redundancy
  C. hardened security
  D. easier troubleshooting
  E. added resiliency
  A. efficient ACLs
  D. easier troubleshooting

• Question 58:

  What SAN technology can accomplish fabric infrastructure implementation using multiple fabrics?

  A. VSAN
  B. IVR
  C. SCSI
  D. NAS
  A. VSAN

• Question 59:

  Refer to the exhibit.

  

  The network engineer wants to ensure that receiver A does not receive traffic from the video conference.

  For multicast traffic, where must the filtering be placed to fulfill that requirement?

  A. R1
  B. Video Conference
  C. A
  D. S1
  E. R2
  D. S1

• Question 60:

  Refer to the exhibit.

  

  Which statement about the ASA is true?

  A. The management interface is reachable only from VLAN 30.
  B. The management interface is reachable only from VLAN 40.
  C. It is running in transparent mode.
  D. It is running in routed mode.
  C. It is running in transparent mode.