Select incorrect statement in error retransmission used in continuous ARQ method.
| A. | Go-back-N method requires more storage at the receiving site |
| B. | Selective repeat involves complex login than GO-back-N |
| C. | Go-back-N has better line utilization |
| D. | Selective repeat has better line utilization |
Answer : C Explanation : Go-back-N has better line utilization is incorrect statement. Because if there is an error at the receiver the frames must be retransmitted where the error occurred in the transmission. Option (A) statement is correct because in Go- Back-N method sometimes when acknowledgement is not received by sender then sender assumes that packet is not received by receiver so he again sends the packet. So receiver requires more memory to store. and option (C) statement is incorrect because if there is an error at the receiver, the frames must be retransmitted where the error occured in the transmission. So, answer is 'C'. |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |
