July2016 cs Q27

0. In a fully-connected mesh network with 10 computers, total ______ number of cables are required and ______ number of ports are required for each device.

Answer
Comment
Array

Option : C
Explanation :
Since each two host need a cable so n(n-1)/2 cabels needed and n - 1 number of ports are required. i.e. 10(10 - 1) / 2 = 5 * 9 = 45 cables. 9 number of ports are required for each device. So, option (C) is correct.

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