What is the standard subnet mask assigned to a Class B IPv4 network by default?

Topic: Computer Networks
Subtopic: IP Subnetting

A255.0.0.0

B255.255.0.0

C255.255.255.0

D255.255.255.255

Explanation

Class A default subnet mask is 255.0.0.0 (/8), Class B default is 255.255.0.0 (/16), and Class C default is 255.255.255.0 (/24).

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