Question

What is the suffix length for group 3?

(a) 7

(b) 6

(c) 5

(d) None of the mentioned

This question was posed to me by my college professor while I was bunking the class.

The query is from Designing Subnets in section Internet Protocol, Network Addressing and Transport Level Security of Cryptograph & Network Security

Answer 1

Correct option is (b) 6

To elaborate: 128 customers, each needs 64 addresses

Suffix length = 6 (2^6=64).