Question: 5. What are the problems associated with the stop-and-wait protocol in noiseless channels? 6. Describe the simplest protocol for a noiseless channel and explain why

5. What are the problems associated with the stop-and-wait protocol in noiseless  channels?

6. Describe the simplest protocol for a noiseless channel and explain why it does not  require acknowledgment or confirmation of receipt.

7. Explain how the stop-and-wait ARQ protocol operates in a noisy channel, including  the additional elements used to ensure reliable transmission.

8. Compare and contrast the Go-Back-N ARQ and Selective Repeat ARQ protocols.

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