What is the subnet mask of a Class C IPv4 network in its default classful addressing scheme?

Options

  • A. 255.0.0.0
  • B. 255.255.0.0
  • C. 255.255.255.0
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. 255.255.255.0

Detailed Explanation

Explanation: The default subnet mask of a Class C network is 255.255.255.0, which corresponds to /24 or 24 network bits and 8 host bits.