Calculate the efficiency of stop-and-wait ARQ, Computer Networking

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5. Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frame are 25 bytes long. Calculate the efficiency of Stop-and-Wait ARQ in a system that transmits at R=1 Mbps and with reaction time of 1ms for channels with a bit error of 10-6,10-5 and 10-4

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