Which of the following is NOT a valid IPv4 address?

Practice Questions

Q1
Which of the following is NOT a valid IPv4 address?
  1. 192.168.1.1
  2. 256.100.50.25
  3. 10.0.0.1
  4. 172.16.0.5

Questions & Step-by-Step Solutions

Which of the following is NOT a valid IPv4 address?
  • Step 1: Understand what an IPv4 address is. It is a numerical label used to identify devices on a network.
  • Step 2: An IPv4 address consists of four numbers, called octets, separated by dots. For example, 192.168.1.1.
  • Step 3: Each octet must be a number between 0 and 255. This means the smallest number is 0 and the largest is 255.
  • Step 4: Look at the address given in the question: 256.100.50.25.
  • Step 5: Check each octet in the address. The first octet is 256.
  • Step 6: Since 256 is greater than 255, it is not a valid octet.
  • Step 7: Conclude that the address 256.100.50.25 is NOT a valid IPv4 address.
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