In which ARQ, when a NAK is received, all frame sent since the last frame acknowledged an retransmitted
A. | stop-and-wait |
B. | go-back-n |
C. | selective-reject |
D. | both (a) and (b) |
Answer : B Explanation : In the case of go-back-n protocol, when a NAK is received, all the frames sent since the last frame acknowledged are retransmitted. Go ----> Back ----> n. |
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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. |