Question

How many links are there for N nodes in the mesh topology?

(a) 1

(b) N(N+1)/2

(c) N

(d) N(N-1)/2

The question was asked in unit test.

This is a very interesting question from Topologies in division Cryptography Overview, TCP/IP and Communication Networks of Cryptograph & Network Security

Answer 1

Right option is (d) N(N-1)/2

The explanation: There are N(N-1)/2 links for N nodes.