Question 56Asked in DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 2
ARQ (Automatic Repeat Request) is:
AAsking question and getting the reply
BProtocol in which the sender waits for positive acknowledgement before advancing to the next data item
CProtocol allows a newly booted workstation to broadcast its Ethernet address
DProtocol allows both manual IP address assignment and automatic assignment
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Correct answer: (B) Protocol in which the sender waits for positive acknowledgement before advancing to the next data item
Explanation
ARQ is an error-control protocol in which the sender waits for a positive acknowledgement (ACK) before sending the next frame and retransmits on timeout or NAK.
From DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 2