A mask is needed to identify the size of the network part or of the combined network and subnet parts.

Question

Quizplus · Accepted Answer

A mask is used to identify the size of the network part or the combined network and subnet parts in an IP address. This is accomplished by setting a certain number of bits in the mask to 1, indicating the size of the network or combined network and subnet parts. The remaining bits in the mask are set to 0, indicating the size of the host part.

A Mask Is Needed to Identify the Size of the Network