ISRO exam 2017 – Question 29 with Solution

In this video we are going to discuss another question which was asked in the exam of ISRO.

Q.29 If there are n devices (nodes) in a network, what is the number of cable links required for a fully connected mesh and a star topology respectively

1. n(n −1) / 2, n −1
2. n, n −1
3. n −1, n
4. n −1, n(n −1) / 2