DATA LINK LAYER WIRED NETWORKS
MULTIPLE ACCESS PROTOCOLS MAC
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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FDM consists of
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upstream frequency channels
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downstream frequency channels
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all of above
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None of the above
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Explanation:
Detailed explanation-1: -FDM multiplexes the four frequency bands and sends them via the communication channel. Each message modulates a different carrier, so the modulated signals are in different frequency bands that don’t interfere with each other. It can use any amplitude modulation (AM) or frequency modulation (FM) technique.
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