Cisco 642-873 Online Practice Questions and Exam Preparation

Cisco 642-873 Online Questions & Answers

• Question 141:

  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 142:

  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 143:

  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 144:

  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 145:

  DRAG DROP

  Select and Place:

  

  

• Question 146:

  Which statement about data center access layer design modes is correct?

  A. The access layer is the first oversubscription point in a data center design.
  B. The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.
  C. When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.
  D. When using a Layer 3 design, stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.
  A. The access layer is the first oversubscription point in a data center design.

• Question 147:

  Which of these Layer 2 access designs does not support VLAN extensions?

  A. FlexLinks
  B. loop-free U
  C. looped square
  D. looped triangle
  E. loop-free inverted U
  B. loop-free U

• Question 148:

  EIGRP uses which algorithm to build a routing table?

  A. Dijkstra's algorithm
  B. Floyd-Warshall algorithm
  C. Diffusing Update Algorithm
  D. Johnson's algorithm
  C. Diffusing Update Algorithm

• Question 149:

  What is the maximum number of neighbors that a router should have in an OSPF area?

  A. 5
  B. 30
  C. 60
  D. 99
  C. 60

• Question 150:

  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.