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Q.

In the context of error detection in satellite transmission, ARQ stands for

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a

Automatic Repeat Request

b

Automatic Relay request

c

Accelerated recovery request

d

Automatic radiation quenching

answer is A.

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Detailed Solution

Automatic repeat request (ARQ).
It is also known as automatic repeat query, is an error-control method for data transmission that makes use of timeouts and acknowledgements to achieve reliable data transmission over unreliable communication channels. Acknowledgments are messages sent by the receiver confirming that it has correctly received a packet.
Thus, 1 is the correct answer.

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