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單項選擇題

By how much is a signal’s strength reduced when the signal passes through an object thatintroduces 3 dB of attenuation？（）

A.1/6
B.1/4
C.1/3
D.1/2

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單項選擇題

What is the minimum recommended access point overlap for voice roaming？（）

A.less than 10 percent
B.10 to 15 percent
C.15 to 20 percent
D.25 to 30 percent

單項選擇題

Which class of Cisco access points operate under IEEE 802.3af power？（）

A.Class A
B.Class 1
C.Class 2
D.Class 3
E.Class 4