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Q3. (2 marks) Consider 10 Mbps Ethernet using CSMA/CD operating on a coaxial cable. Suppose the end-to-end propagation time for the cable is 15 us.

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Q3. (2 marks) Consider 10 Mbps Ethernet using CSMA/CD operating on a coaxial cable. Suppose the end-to-end propagation time for the cable is 15 us. i. If the signal propagation velocity is 3c/4, what is the length of the cable? ii. Suppose Ethernet packets of size 200 bytes (including all preamble, header, data and FSC fields) are transmitted. What is the maximum utilisation of the cable? State any formulas you use

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