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Question

A _________ sine wave is not useful in data communications; we need to send a _______ signal.

a.

composite; single-frequency

b.

single-frequency; composite

c.

single-frequency; double-frequency

d.

none of the above

Posted under Physical Layer Networking

Answer: (b).single-frequency; composite

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Q. A _________ sine wave is not useful in data communications; we need to send a _______ signal.

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