为了帮助考生们复习好《思科认证：CCNA认证学科》，我们考吧网整理了一些关于思科认证：CCNA认证模拟试题，本次汇编的模拟试题希望对你的考试有所帮助，预祝你考试顺利

1How would you configure a router to avoid situations such as split horizonissues hampering routing updates on a Frame Relay network?

A. Configure a separate sub-interface for each PVC with a unique DLCI and subnetassigned to the subinterface.

B. Configure each Frame Relay circuit as a point-to-point line to support multicastand broadcast traffic.

C.Configure one sub-interface to disperse into multiple PVC connections tomultiple remote router interfaces.

D. Configure as many as possible sub-interfaces on the same subnet.

2You are a trainee technician at ABC. Your instructor shows you the followingroute summarization entry:192.168.134.0/22 Your instructor wants to know how many class C addresses arecontained in this summarization. What would your reply be?

A. 1

B. 2

C. 4

D. 8

E. 16

3With regard to ISDN, which of the following are true? (Choose all that apply.)

A. Legacy DDR can use port information to define interesting traffic.

B. Legacy DDR can configure multiple dialer configurations on the same interface.

C. Legacy DDR can use ACLs to define interesting traffic.

D. HDLC or PPP can be used to encapsulate ISDN D channel information.

E. The BRI interfaces on ISDN routers with dialer profiles configured cannot belongto multiple dialer pools.

F. Dialer profiles cannot use ACLs to define interesting traffic.

4Which of the following is a characteristic of link-state protocols?

A. A network topology change generates an update that is broadcast to everyrouter on the network.

B. The periodic routing update interval is slightly different in each router ona subnet.

C. Each router creates a routing table that only includes its directly connectedneighbors.

D. Link-state protocols send routing updates only when there is a change in thenetwork topology.

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