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    CSMA with Collision Detection

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    According to the figure in the attachment,
    a. Which node, B or D, first realizes a collision has happened?
    b. If B's packet is addressed to A, does A realize that a collision has happened? Explain!
    c. What is the jamming signal and who is going to generate it?
    d. Draw a graph scenario where a collision does happen, yet only A manages to receive the whole packet.
    e. Draw a graph scenario where a collision does not happen altogether.
    f. What would happen if the backoff is not exponential? Give an example.

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    Solution Summary

    The solution includes detailed responses to each of the 6 parts in the question, including clearly labeled graphs for (d) and (e).