單項(xiàng)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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A.less than 10 percent
B.10 to 15 percent
C.15 to 20 percent
D.25 to 30 percent

2.單項(xiàng)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

3.單項(xiàng)選擇題To provide efficient roaming between the cells, which percent of cell overlap is recommended for2.4 GHz and 5 GHz access points?()

A.5 to 10 percent for both 2.4 GHz and 5 GHz
B.10 percent for both 2.4 GHz and 5 GHz
C.20 percent for 2.4 GHz and 15 to 20 percent for 5 GHz
D.20 percent for 2.5 GHz and 10 percent for 5 GHz

4.單項(xiàng)選擇題Under U.S. regulatory domain, which channel plan delivers the proper coverage in a large lecturehall that requires four access points?()

A.1, 4, 7, 11
B.1, 4, 8. 11
C.1, 6, 11, 1
D.2, 4, 6, 8

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