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

1. 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

2. Which statements describe the logical token-passing topology? (Choose two.) (2)

1) Network usage is on a first come, first serve basis.

2) Computers are allowed to transmit data only when they possess a token.

3) Data from a host is received by all other hosts. Electronic tokens are passed sequentially to each other.

4) Token passing networks have problems with high collision rates.

3. Which of the following wireless standards increased transmission capabilities to 11 Mbps? (2)

1) 802.11a

2) 802.11b

3) 802.11c

4) 802.11d

4. What is attenuation? (3)

1) opposition to the flow of current

2) measurement of electrical signals relative to time

3) degradation of a signal as it travels along the medium

4) amount or volume of traffic that is flowing on the medium

5 Which cable specifications are indicated by 10BASE-T? (3)

1) 10 Mbps transmission speed, baseband signal, 500 meter cable length, coaxial cable

2) 10 Mbps transmission speed, broadband signal, 100 meter cable length, coaxial cable

3) 10 Mbps transmission speed, baseband signal, 100 meter cable length, twisted-pair cable

4) 10 Gbps transmission speed, broadband signal, 500 meter cable length, twisted-pair cable

编辑推荐：

2014年思科认证考试CCNA备考模拟试题汇总