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 command enables an EtherChannel bundle on a Catalyst 2900XL switch?

A. Port group

B. Set port channel on

C. Port etherchannel enable

D. Set etherchannel port enable

2.Which of the following are NOT the valid types of X.25 PLP packet fields

(Choose all that apply)?

A. User Data

B. LCI

C. GFI

D. PTI

E. None of the choices.

3.Which of the following are valid functions of the lock DTE modem attribute(Choose all that apply)?

A. Disable UART.

B. Enable UART.

C. Locks the data speed between the computer motherboard and the RS232 port.

D. Locks the data speed between the modem and the DTE device.

4.Regarding DHCP, DHCP relay and DHCP server are mutually exclusive.

A. None of the choices.

B. True

C. False only for certain IOS version

D. False

E. False only for IOS version below V10

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