Question: 11.2 Consider a network path, consisting of four 10-Mbps LAN bus Ethernet links (segments) A, B, C, D connected by the three store-and-forward switches S1,

11.2 Consider a network path, consisting of four 10-Mbps LAN bus Ethernet links (segments) A, B, C, D connected by the three store-and-forward switches S1, S2, S3 as shown in the figure below. Assume that each Ethernet link introduces a propagation latency of 10 microseconds, but the switches introduce no queuing delays. a. Calculate the paths one-way latency (total packet delay) for sending a 1-kB frame from Host H1 to Host H2 b. Calculate the effective data rate for sending a 1-kB frame across the path c. Calculate the effective data rate for sending a sequence of 1-kB frames if the source H1 must wait for a 20-byte ACK of the previous frame before it can send the next packet to destination H2. 11.2 Consider a network path, consisting of four 10-Mbps LAN bus Ethernet

H1 S1 S2 S3 H2

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