Within a classful addressing, ____ is the default subnet mask for a Class C address.
A) 255.255.255.255
B) 255.255.255.0
C) 255.255.0.0
D) 255.0.0.0

Question

Quizplus · Accepted Answer

Within classful addressing, Class C addresses have a default subnet mask of 255.255.255.0. This allows for up to 254 hosts on a network (with the first and last addresses reserved for network and broadcast addresses, respectively). Options A, C, and D are incorrect because they represent subnet masks for Class A and Class B addresses, not Class C.

Within a Classful Addressing, ____ Is the Default Subnet Mask