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Computing
Business Data Networks
Quiz 6: Wireless Lans I
The 2
Question 37
Multiple Choice
The 2.4 GHz band supports ________ nonoverlapping 20 MHz channel(s). A)1 B)3 C)7 D)11
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Q 38
The 5 GHz band supports about ________ nonoverlapping 20 MHz channel(s). A)1 B)3 C)6 D)12
Q 39
Spread spectrum transmission is used in WLANs because ________. A)it is required by regulators B)it offers strong security C)both A and B D)neither A nor B
Q 40
Spread spectrum transmission is used in WLANs for ________. A)higher transmission speed B)more reliable transmission C)greater security D)all of the above
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