思科认证:CCNA认证考前精选模拟试题12

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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. what is one way to make more flash memory available?

a.) the command: copy flash to rom

b.) erase unused images from flash.

c.) the command: erase start

d.) this isn’t possible. once you write to flash, you must purchase new flash simms. e.) the command: erase flash *.* f.) the command: convert ram to flash

b you can think of flash as a virtual hard drive, that lets you add or delete files. if you entered the command, ’erase flash’, it would be like formatting that hard drive and wipe out all files and all data. the command ’erase flash *.*’ is not a valid cisco command. by its very definition, flash is electronically erasable.

2 what is the standard isdn term for a native isdn modem?

a.) te3

b.) et

c.) le

d.) te2

e.) ta

e the marketing term ’isdn modem’ was created to help sell the isdn idea to america. there is no such thing as an analog modulator demodulator for digital isdn. the terminal adapter (ta) allows you to connect a pc to a digital isdn line directly. in the real world, isdn is digital, modems are analog.

3 what is the regional telco Office called, where the customers local loop terminates?

a.) cpe b.) dce c.) demarc d.) co e.) dte

d the central office (co) is the telephone company (telco) location nearest you.

4. which isdn specification deals with call setup and teardown?

a.) j-series b.) f-series c.) q-series d.) i- series e.) world series

c the 2 most important isdn specifications are q & i: q = call setup and teardown. i = concepts and terminology.

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