Question: 1 ) In Go - Back - N ARQ protocol which uses a window size of 1 0 0 0 , the transmitter receives a

1) In Go-Back-N ARQ protocol which uses a window size of 1000,
the transmitter receives a negative acknowledgment (REJ900) after it
sent frame 950. In this case the transmitter must retransmit frames:
(a)900 to 950(b)1 to 900(c)900 to 1000(d)900 only

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