What is ACK piggybacking and what is its benefit?

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Multiple Choice

What is ACK piggybacking and what is its benefit?

Explanation:
ACK piggybacking happens when the acknowledgment for received data is sent together with data being sent back in the opposite direction, rather than as a separate ACK packet. The benefit is reducing overhead and bandwidth use by combining two messages into one, which improves efficiency and throughput when there is bidirectional traffic. If there’s no data to send back, the receiver would send a standalone ACK instead. This approach is common in reliable transport like TCP and helps cut down on extra packets. It isn’t about UDP, doesn’t require encryption, and piggybacking only occurs when there is data to send in the reverse direction.

ACK piggybacking happens when the acknowledgment for received data is sent together with data being sent back in the opposite direction, rather than as a separate ACK packet. The benefit is reducing overhead and bandwidth use by combining two messages into one, which improves efficiency and throughput when there is bidirectional traffic. If there’s no data to send back, the receiver would send a standalone ACK instead. This approach is common in reliable transport like TCP and helps cut down on extra packets. It isn’t about UDP, doesn’t require encryption, and piggybacking only occurs when there is data to send in the reverse direction.

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