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Question

Which of the following communications modes support two-way traffic but in only one direction of a time?

a.

simplex

b.

half-duplex

c.

three-quarters duplex

d.

All of the above

Posted under Multiplexing Networking

Answer: (b).half-duplex

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Q. Which of the following communications modes support two-way traffic but in only one direction of a time?

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