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The Frequency Range from 500 Megahertz to 10 Gigahertz Is

Question 28
Multiple Choice

The frequency range from 500 megahertz to 10 gigahertz is called the ________. A)frequency spectrum B)commercial mobile service band C)unlicensed band D)golden zone

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Q 29
If a radio transmission is easily blocked by obstacles,then you need to maintain ________. A)a clear line of sight B)spread spectrum transmission integrity C)broadband transmission D)deep transmission
Q 30
WLANs normally use ________. A)licensed bands B)unlicensed bands
Q 31
In unlicensed bands,________. A)you can use radios wherever you please B)you can prevent nearby businesses from setting up access points in the same channel C)both A and B D)neither A nor B
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