Question

First address in a block is used as network address that represents the ________

(a) Class Network

(b) Entity

(c) Organization

(d) Codes

This question was addressed to me by my school principal while I was bunking the class.

This question is from IPv4  Addressing in division TCP/IP Protocol Suite of Computer Network

Answer 1

Correct answer is (c) Organization

To explain: First address in a block is used as network address that represents the organization. The network address can be found by AND’ing any address in the block by the default mask. The last address in a block represents the broadcast address.