为了帮助广大考生系统全面的复习好《思科认证：CCNA认证学科》，我们考吧网整理了思科认证模拟试题，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。

推荐阅读：思科认证：CCNA认证考前经典试题训练汇总三

1 which statement is true of windows name server (wins) (下面对于windows 命名服务器( w i n s )的陈述中，哪一句是正确的)?

a. it is a protocol

b. it provides capability for name resolution

c. it is a network layer

d. it is a proprietary name server

e. a, b, and d only

f. b and d only HF=}

2icmp、i p、arp and rarp of the ip protocol suite map to (ip协议套件的i c m p、i p、a r p和r a r p映射到)：

a. osi layers 1 and 2

b. osi layer 5

c. osi layer 3

d. osi layer 2

3. Which of the following are considered the best media for use in data network communications? (Choose three.) (2，3，6)

1) glass

2) fibers

3) copper

4) gold

5) plastic

6) silicon

7) Silver

4 which statement is true of tli (下面关于t l i的哪一句陈述是正确的)?

a. it is a layer in the osi model

b. it is a layer in the tcp/ip model

c. it is a system v api

d. it is part of the unix kernel

5 which layer is most important in providing reliable data exchange between two systems

(在两个系统之间提供可靠的数据交换中，哪一层是最重要的)?

a. physical layer

b. data link layer

c. session layer

d. transport layer