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

The correct answer is D. 255.255.255.0. 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.

Understanding Network Infrastructures

Question

Options

A255.255.255.252
B255.255.255.240
C255.255.255.192
D255.255.255.0

How the community answered

(20 responses)

A
5% (1)
B
20% (4)
C
5% (1)
D
70% (14)

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.

Topics

#subnet mask#Class C network#IPv4 addressing

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