Negative acknowledgements directly trigger a response at the sender, while the lack of positive acknowledgements only triggers an action after a timeout Is it possible to build a reliable communication channel using only negative acknowledgements, and no positive acknowledgements If it is possible, give an example If it is impossible, explain why?

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Automatic Repeat Request ARQ is an errorcontrol mechanism for data transmission which uses acknowledgements or negative acknowledgements and timeouts to achieve reliable data transmission over an unre... View the full answer