思科考试是随报随考，在复习的过程中中还是不够全面，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 are examples of the datalink layer? (2 answers)

a.) sql b.) ip c.) mac d.) tcp e.) llc

c e mac and llc are the sublayers of the datalink layer.

2. what would be the first command from global configuration mode to perform the following: 1. enable igrp on the router for interface e0 2. tell igrp to use an address of 157.89.4.4 255.255.255.0 3. tell igrp to provide routing updates for as number 200?

a.) router igrp 157.89.4.4 b.) network 157.89.4.0 255.255.255.1 c.) router igrp int e1 d.) router igrp 157.89.0.0 e.) network 157.89.4.0 f.) router igrp 200

f. you have to specify which routing protocol first. for igrp you must also specify the autonomous system number. router(config)#router igrp ? <1-65535> autonomous system number

3. which layer of the 7 layer model is responsible for representing the application information between 2 different os’s? for example, converting ascii to ebcidic.

a.) transport b.) physical c.) application d.) network e.) session f.) presentation

f. presentation layer accepts data from application layer and negotiates data representation, syntax, compression and encryption. examples: ascii, ebcdic, jpeg, gif, pict, midi, mpeg

4. how do you view all debugging that is currently enabled?

a.) show running-config b.) show startup-config c.) show debug d.) debug update e.) show flash f.) show version

c.

编辑推荐：

思科认证：CCNA认证考前精选模拟试题汇总三

思科认证：CCNA认证考前精选模拟试题汇总四