A special bit pattern that "blocks off " the network portion of an IPv4 address with an all-ones pattern is known as which of the following?
A)reverse proxy
B)summary address
C)broadcast address
D)subnet mask

Question

Quizplus · Accepted Answer

A subnet mask is a special bit pattern used in IPv4 networking to differentiate the network portion of an IP address from the host portion. It uses an all-ones pattern to "mask" the network part.

A Special Bit Pattern That "Blocks Off " the Network