The technique of temporarily delaying outgoing outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called__________________?
Correct answer: A. piggybacking
- A. piggybacking
- B. cyclic redundancy check
- C. fletcher's checksum
- D. none of these
Explanation
Piggybacking attaches an acknowledgement to an outgoing data frame instead of sending a separate acknowledgement frame. This reduces communication overhead, whereas CRC and Fletcher's checksum are error-detection methods.
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