What subnet mask would correspond to a CIDR notation of /24?
A)255.255.255.0
B)255.0.0.0
C)255.255.0.0
D)255.255.255.255

Question

Quizplus · Accepted Answer

In CIDR notation, /24 indicates that the first 24 bits out of 32 bits in the IP address are used for the network address, leaving the remaining 8 bits for the host address. The subnet mask with 24 consecutive 1's (or 8 consecutive 0's) is 255.255.255.0, which corresponds to Choice A.

What Subnet Mask Would Correspond to a CIDR Notation of /24