Question

How many (two-way) links would be required for a network of 17 computers if a direct link interconnects ever

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Answer 1

17 computers with direct links interconnecting every computer would require 136 two-way links.

Step-by-step explanation:

C(17, 2) = 17! / (2!(17 - 2)!)

= 17! / (2! * 15!)

= (17 * 16) / (2 * 1)

= 272 / 2

= 136