Subnet masks tell computers what part of an IP address is to be used to determine whether a destination is in the same subnet or in a different subnet.

Question

Quizplus · Accepted Answer

Subnet masks are used to indicate which bits in an IP address represent the network portion and which bits represent the host portion. This information is used by computers to determine whether a destination IP address is on the same network (subnet) or on a different network.

Subnet Masks Tell Computers What Part of an IP Address