2014年思科认证考试CCNA高分必备模拟试题（6）
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. After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring? (4)
1) transport
2) network
3) data link
4) physical
2. Refer to the exhibit. What is the order of the TCP/IP Protocol Data Units as data is moved as indicated through the OSI model? (3)
1) data, segments, frames, packets, bits
2) data, packets, segments, frames, bits
3) data, segments, packets, frames, bits
4) data, packets, frames, segments, bits
3. Which technologies are considered to be LAN technologies? (Choose two.) (2，5)
1) DSL
2) Token Ring
3) Frame Relay
4) ISDN
5) Ethernet
4. Refer to the exhibit. Host A wants to send a message to host B. Place the following steps in the correct order so that the message can be sent. (4)
A - add network layer addresses
B - transmit bits
C - create application data
D - add data link layer addresses
1) B, A, D, C
2) D, A, C, B
3) A, D, A, B
4) C, A, D, B
5) C, D, A, B
6) C, B, A, D
5. Which combinations of charges will be repelled by electric force? (Choose two.) (4，6)
5) neutral and neutral
6) neutral and positive
7) neutral and negative
8) positive and positive
9) positive and negative
10) negative and negative
3. During cable testing, which of the following are used to calculate the information carrying capacity of a data cable? (Choose two.) (2，5)
1) bit speed
2) attenuation
3) wire map
4) saturation limit
5) analog bandwidth
4. What type of wiring problem is depicted in this sample of a cable tester? (3)
1) a fault
2) a short
3) an open
4) a split a good map
5. Which of the following commands could be used on a Windows-based computer to view the current IP configuration of the system? (Choose two.) (3，4)
1) configip
2) ifconfig
3) ipconfig
4) winipcfg
5) Winipconfig
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