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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1.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

2.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

3.單項選擇題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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