Question
What is the maximum achievable end-end throughput (in Mbps) for each of four client-to-server pairs, assuming that the middle link is fair-shared (i.e., divides its
What is the maximum achievable end-end throughput (in Mbps) for each of four client-to-server pairs, assuming that the middle link is fair-shared (i.e., divides its transmission rate equally among the four pairs)?
20 Mbps | ||
25 Mbps | ||
40 Mbps | ||
100 Mbps |
Which link is the bottleneck link?
The links from the servers to the shared link | ||
The middle link | ||
The links from the shared middle link to the clients | ||
None of the above |
Assuming that the senders are sending at the maximum rate possible, what are the link utilizations for the sender links (Rs), client links (Rc), and the middle link (R)?
The utilization of server links is 25% (25Mbps/100Mbps). The utilization of receiver links is 62.5% (25Mbps/40Mbps) . The utilization of the middle link is 100% (25Mbps/25Mbps) .
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The utilization of server links is 100% (100Mbps/100Mbps). The utilization of receiver links is 100% (40Mbps/40Mbps) . The utilization of the middle link is 40% (40Mbps/100Mbps) .
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The utilization of server links is 25% (25Mbps/100Mbps). The utilization of receiver links is 62.5% (25Mbps/40Mbps) . The utilization of the middle link is 40% (40Mbps/100Mbps) .
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None of the above |
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