请教各位专家三道RF的题目？路过的都看一下，给点意...

1.Which three site survey factors should be used to measure the contours of Radio Frequency(RF) converge?

A: link speed

B: signal strength

C: signal-to-noise- radio

D: Obstructions in the Fresnel Zone

2.Which three are considered potential Radio Frequency(RF) obstructions inside a building and should be noted during a site survey?(choose three)

A: Fire doors

B: Concrete walts

C: Metal-mesh windows

D: A large crowd of users

3.A client has an engineering location with ultra-hign density LAN user requirements and a warehouse with very low-density user requirements.

Whic IEEE standard should be associated with each for a valid design?(choose two)

A: Low-density locations incorporate 802.11b.

B: Ultra-hign density locations incorporate 802.11a.

C: Ultra-hign density locations incorporate 802.11g.

D: Both hign and low density users incorporate 802.11g.

[此贴子已经被作者于2004-12-20 22:11:25编辑过]

好像是CISCO认证的题一样

1、B 2、A、B、C 3、A、C

多谢wxsjjd :) 下面的不知道那里书上能找到答案？

我有一个朋友讨论出来第一道说选 a c d

第二题 他们推荐选 A C D

最后一题大家一样 A C

如果第一题也选三，那么则为 1、ABC 、2ABC、3、AC

C:\Documents and Settings\mengxc\桌面\未命名.JPG

就是

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