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Suppose users share a 1 Gbps link and each user requires 5 Mbps when transmitting. Each user transmits only 10% of the time. a) When

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Suppose users share a 1 Gbps link and each user requires 5 Mbps when transmitting. Each user transmits only 10% of the time. a) When circuit switching is used, how many users can be supported? b) When packet switching is in use, why will there be essentially no queuing delay before the link if 200 or fewer users transmit at the same time? Why there is a queuing delay when 201 users transmit at the same time? c) When packet switching is used, find the probability that a given user is transmitting. d) Suppose there are 500 users. Find the probability that at any given time exactly k users are transmitting simultaneously. This probability is denoted by p(k). e) Find probability that there are l or more users transmitting simultaneously. Reminder: If we have n objects and we want to choose k of them, we can find the total number of combinations by using the following formula: che = (%) = (n-KIxk

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