Question: 1. If computer B is conneted to computer A and C by two point-to-point links, then it is possible to send messages from A to

1. If computer B is conneted to computer A and C by two point-to-point links, then it is possible to send messages from A to C by sending them first from A to B, then from B to C. This is called store-and-foward transmission. A store-and-forward transmission from A to C via B is more efficient if the transmission from B to C can start before that from A to B is completed. Use this concept to answer the following questions:

a. Suppose A wants to send a long message to C and that the transmission of that message on a direct link takes one minute. How long would it take for the message to be fully transmitted from A to C?

b. Now suppose that the long message in (a) is decomposed inot 60 packets that take one second each to be transmitted on a direct link. How long would it take for the message to be fully transmitted (as packets) from A to C?

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