Cisco CCNP Certification Practice Exam: 642-901 - 10 questions

Building Scalable Cisco InternetWorks (BSCI)

After you study your text books it is important to test your newly acquired knowledge and see just how well you have absorbed the material. Practice exams....


* Reinforces what you learnt - fill in the gaps of what you missed
* Gets you used to answering questions to build confidence and familiarity

Here are 10 Multiple choice exams questions for you to practice on:

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Question 1# - Router ZXBP47 has been configured to filter routes. Which of the following are reasons to control routing updates via route filtering? (Choose three)

A. To hide certain networks from the rest of the organization.
B. For easier implementation.
C. To control network overhead on the wire.
D. For simple security.
E. To prevent adjacencies from forming.

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Question 2# - What are the basic configuration steps needed to enable IS-IS?

A. Configure the net system-id command under router isis and enable IS-IS on each interface with the ip router isis command.

B. Configure the network net-id command(s) under router isis and enable IS-IS on each interface with the ip router isis command.

C. Configure the network net-id command(s) and the is-type level-1-2 command under router isis .

D. Configure the net system-id and the network net-id commands under router isis .

E. Configure the net system.-id and the network net-id commands under router isis and enable IS-IS on each interface with the ip router isis command.

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Question 3# - A network administrator has decided to use IS-IS instead of OSPF in the ABC.com network. Which three are benefits of IS-IS over OSPF? (Select three)

A. IS-IS requires fewer neighbor relationships in a broadcast multiaccess network

B. IS-IS supports more routers in an area

C. IS-IS supports route tags

D. IS-IS does not require Hello packets to establish neighbor relationships

E. IS-IS produces fewer link state advertisements for a given network

F. IS-IS supports network layer protocols other than IP

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Questions 4# - When designing OSPF networks, it is not recommended to have an excessive number of routers in any single area. Which two of the following statements describe the consequences of having too many routers in an area? (Select two)

A. Excessive LSA traffic.
B. Frequent routing table recalculation.
C. Frequent adjacencies table recalculation.
D. Unacceptable number of reachability errors.

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Question 5# - You want router one of the OSPF areas on your network to be able to accept type 7 external routers, but not type 5 external routes. What kind of area should be configured to accomplish this?

A. A not-so stubby area
B. A stubby area
C. A totally stubby area
D. A backbone area
E. An on-demand area

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Question 6# - EIGRP is being used as the routing protocol within the ABC.com network. There is an issue with EIGRP in this network and you suspect the problem lies with the DUAL process. Which two statements about the EIGRP DUAL process are correct? (Select two)

A. EIGRP queries are sent during the loading state in the EIGRP neighbor establishment process.

B. An EIGRP route will go passive if there are no successors in the EIGRP topology table.

C. A feasible successor in the EIGRP topology table can become the successor only after all the query requests have been replied to.

D. The stuck in active state is caused when the wait for the query replies have timed out.

E. DUAL will trigger an EIGRP query process while placing the flapping routes in the holddown state.

F. An EIGRP route will go active if there are no successors or feasible successors in the EIGRP topology table.

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Question 7# - What is the purpose of the "eigrp stub" configuration command?

A. To increase scalability by limiting the EIGRP query range.

B. To reduce the size of the routing table by blocking the D EX (External EIGRP) routes in the EIGRP stub router.

C. To reduce the convergence time by enabling the EIGRP stub router to propagate the EIGRP queries from the EIGRP hub router.

D. To reduce the convergence time by enabling the EIGRP stub router to also perform query requests to the EIGRP hub router.

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Question 8# - EIGRP is being used as the routing protocol within the ABC.com network. Which two of the following features allow EIGRP to support classless routing? (Select two)

A. Djikstra's algorithm
B. discontiguous subnets

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