Question: In error control, what is the main function of acknowledgment frames? 9 a . To signal the sender that a frame has been received correctlyb.To

In error control, what is the main function of acknowledgment frames?

9

.

To signal the sender that a frame has been received correctlyb.To request retransmission of a corrupted framec.To verify the integrity of the datad.To establish a connection

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oriented service

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