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A) A system uses the stop- and- wait ARQ protocol. If each packet carries 1000 bits of data, how long does it take to send

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A) A system uses the stop- and- wait ARQ protocol. If each packet carries 1000 bits of data, how long does it take to send 10 million bits of data if the distance between the sender and receiver is 4000 Km and propagation speed is 3 1048 m? Ignore the transmission, waiting and processing delays. We assume no data or control frame is lost or damaged. 3. B) Repeat the above question for selective repeat ARQ and Go-back-N ARQ protocols with a window size of 4

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