CompTIA® Comptia Network+™ Certification Practice Questions

Default Network Mask

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Q10. What is the default subnet mask for Class C network?

A. 255.0.0.0

B. 255.255.0.0

C. 255.255.255.0

D. 255.0.255.0

Correct Answer: C

Explanation:

The default subnet mask for

Class A network: 255.0.0.0

Class B network: 255.255.0.0

Class C network: 255.255.255.0

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