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MadeEasy Test Series: Computer Networks - Mac Protocol

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Consider the network with 8 nodes running the carrier sense multiple access MAC protocol. The maximum data rate of the network is 10 Mbps. Each node sends traffic according to some unknown random process at an average rate of 1 Mbps per node including retries. If networks utilization is 0.75, with each packet size 10000 bits and each node average queue size is 5 packet, then the fraction of packets sent by the nodes experiences a collision are ________ in % (up to 2 decimal places) [Assume no packet dropped except collied packets].
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