A subnet mask of ___________ means that all computers with only the same first two bytes in their IPv4 addresses are on the same subnet.
A)11111111.0.0.0
B)255.255.255.0
C)255.0.0.0
D)255.255.0.0
E)255.255.255.255

Question

Quizplus · Accepted Answer

A subnet mask of 255.255.0.0 means that the first two bytes (or the first 16 bits) of the IPv4 address are used to identify the network portion of the address, indicating that all computers with the same first two bytes in their IPv4 addresses are on the same subnet.

A Subnet Mask of ___________ Means That All Computers with Only