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Computer Networks Interview
Freshers
Q
What allows TCP to detect lost segments and in turn recover from that loss?
AA. Sequence number
BB. Acknowledgment number
CC. Checksum
DD. Both sequence & acknowledgment number
Correct Answer:
D. D. Both sequence & acknowledgment number
Explanation:
TCP header contains separate fields for sequence number and acknowledgment number. Comparing these values is what allows TCP to detect lost segments and in turn recover from that loss. After detecting the lost segments, the recovery may require retransmission of the lost segments of data.
