Which of the following is a valid subnet mask for a Class C IP address?

Practice Questions

Q1
Which of the following is a valid subnet mask for a Class C IP address?
  1. 255.255.255.0
  2. 255.255.0.0
  3. 255.0.0.0
  4. 255.255.255.255

Questions & Step-by-Step Solutions

Which of the following is a valid subnet mask for a Class C IP address?
  • Step 1: Understand what a Class C IP address is. Class C IP addresses range from 192.0.0.0 to 223.255.255.255.
  • Step 2: Learn about subnet masks. A subnet mask helps to divide the IP address into network and host parts.
  • Step 3: Know the common subnet mask for Class C. The most common subnet mask for a Class C IP address is 255.255.255.0.
  • Step 4: Recognize that the subnet mask 255.255.255.0 allows for 256 addresses in the subnet (0-255).
  • Step 5: Identify that other subnet masks can also be used with Class C addresses, but 255.255.255.0 is the standard.
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