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A 1 Gbps Ethernet network using the original CSMA/CD protocol uses a fiber optic cable (signal propagation speed is 65% of the signal propagation speed

  1. A 1 Gbps Ethernet network using the original CSMA/CD protocol uses a fiber optic cable (signal propagation speed is 65% of the signal propagation speed in vacuum) on which the farthest station from each other are separated by 2 kilometers. (a) What is the length of a contention slot in CSMA/CD? (b) Assuming the usual Ethernet standard, during a time when the load is high enough that no frame transmission proceeds without contention, and the average contention period consists of three contention slots, what is the most likely throughput of the network?

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