What is the default subnet mask for a Class C Internet network?

What is the default subnet mask for a Class C Internet network?
A . 255.255.255.252
B . 255.255.255.240
C . 255.255.255.192
D . 255.255.255.0

View Answer

Answer: D

Explanation:

Class A default subnet mask is 255.0.0.0. Class B default subnet mask is 255.255.0.0. Class C default subnet mask is 255.255.255.0.