Consider a system using Go-Back-N protocol over fiber link with bandwidth 1 Gbps and packet size 512 B. Propagation speed of fiber is 2 x 10° msec with length 1 Km. Assume error free and duplex...

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Extracted text: Consider a system using Go-Back-N protocol over fiber link with bandwidth 1 Gbps and packet size 512 B. Propagation speed of fiber is 2 x 10° msec with length 1 Km. Assume error free and duplex communication with ACK packet size 64 B. Then the value of N that yields maximum utilization of sender is