Question: Suppose nodes A and B are on the same 10 mbps Ethernet bus and the propagation delay between the two nodes is 225 bit times.

Suppose nodes A and B are on the same 10 mbps Ethernet bus and the propagation delay between the two nodes is 225 bit times. Suppose both A and B sends frames exactly at the same time, the frames collide, and then A and B choose different values of K (A = 0 and B = 1) in the CSMA/CD algorithm. Assuming no other node is active

a. Can retransmissions from A and B collide? b. At what time does B schedules it retransmission? c. At what times does A begin retransmission? d. At what time does As signal reach B? e. Does B refrain from retransmission at its scheduled time?

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