Multiple choice

If there are n devices (nodes) in a network,what is the number of cable links required for a mesh and a star topology respectively.

  1. n - 1, n (n - 1)/2

  2. n, n - 1

  3. n - 1, n

  4. n (n - 1)/2, n - 1

  5. n, n + 1

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

For a mesh ,it is a case of complete graph with n verticeshence links=n(n-1)/2 For star n-1 links are needed since a single central host is connected to all host.