Question: This is for my Technologies Infrastructure and Architecture class. What advantages does circuit switching have over packet switching? Suppose users share a 3 Mbps link,

This is for my Technologies Infrastructure and Architecture class. What advantages

This is for my Technologies Infrastructure and Architecture class.

What advantages does circuit switching have over packet switching? Suppose users share a 3 Mbps link, and each user requires 150 kbps when transmitting. Each user, however, only transmits 10% of the time. a) If circuit switching is used, what is the maximum number of users N the link can support? b) For the remainder of this problem, suppose packet switching is used. What is the probability that a given user is transmitting? c) Suppose the network contains 120 users. What is the probability that, at any given time, exactly n users are transmitting simultaneously? d) What is the probability that 21 or more users are transmitting simultaneously

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