Consider a site that chooses to subnet a class B network address, but decides that some physical nets will use 6 bits of the local portion to identify the physical net while others will use 8. Find an assignment of host addresses that makes destination addresses ambiguous Assume TCP is sending segments using a maximum window size of 64Kbytes on a channel that has infinite bandwidth and an average roundtrip time of 20 milliseconds. What is the maximum throughput? How does throughput change if the roundtrip time increases to 40 milliseconds 请高手帮我解答,感激不尽 --

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