Question : In which of the following modes of data transmission can the data flow in both directions but in only one direction at a time?
Option 1: Half-duplex
Option 2: Simplex
Option 3: Full-duplex
Option 4: Quarter-duplex
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Correct Answer: Half-duplex
Solution : The correct answer is Half-duplex.
The mode of data transmission in which data can flow in both directions but only in one direction at a time is known as the "half-duplex" mode. In half-duplex communication, information can be transmitted and received, but not simultaneously. This is in contrast to the "full-duplex" mode, where data can be transmitted and received simultaneously in both directions.
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