What is the default subnet mask for class A addresses?
A) 255.0.0.0
B) 255.255.0.0
C) 255.255.255.0
D) 255.255.255.255

Name: What is the default subnet mask for class A addresses? A) 255.0.0.0 B) 255.255.0.0 C) 255.255.255.0 D) 255.255.255.255
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Question

Quizplus · Accepted Answer

The default subnet mask for Class A addresses is 255.0.0.0, as Class A addresses have a network portion of 8 bits and a host portion of 24 bits. This default subnet mask allows for up to 126 networks and 16,777,214 hosts per network.

What Is the Default Subnet Mask for Class a Addresses