2013年思科认证：CiscoCCNA考试精选试题(11)
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。
1. which of the following is not done by tcp?
a. subnetting
b. error checking
c. sequencing
d. flow control
answer a.
2. which of the following is a class b address?
a. 10.14.16.12
b. 127.0.0.1
c. 172.15.42.34
d. 209.123.32.212
answer c.
3. which of the following is a loop back address?
a. 10.14.16.12
b. 127.0.0.1
c. 172.15.42.34
d. 209.123.32.212
answer b. this is used to test to see if ip is configured and working properly on your pc,
4. what does udp and tcp have in common? choose 2
a. flow control
b. error checking
c. checksum
d. provide destination and source port numbers
answer c d. udp doesn t check for errors.
5 which of the following does the network layer do? choose 2
a. packet switching
b. translating
c. path determination
d. convert signals to bits
answer a c.