What is the default subnet mask for Class A?
Understand the Problem
The question is asking about the default subnet mask used for Class A IP addresses in networking. This involves understanding the classification of IP addresses and their corresponding subnet masks.
Answer
255.0.0.0
The final answer is 255.0.0.0
Answer for screen readers
The final answer is 255.0.0.0
More Information
In IPv4 addressing, Class A networks are designed for very large networks and use the default subnet mask 255.0.0.0, allowing for up to 16 million hosts per network.
Tips
Avoid confusing subnet masks of different IP classes. Memorize the default masks: 255.0.0.0 for Class A, 255.255.0.0 for Class B, and 255.255.255.0 for Class C.
Sources
- IP Default Subnet Masks For Address Classes A, B and C - tcpipguide.com
- Subnet Mask - an overview | ScienceDirect Topics - sciencedirect.com
- What Is A Subnet Mask | Ascendant Technologies, Inc. - ascendantusa.com
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