Which of the following is a valid IPv4 address?

  • A192.168.1.25
  • B192.168.300.1
  • C10.10.10.256
  • D172.16.1
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Correct Answer: A. 192.168.1.25
Explanation: Each IPv4 octet must be in the range 0 through 255 and the usual dotted-decimal form contains four octets.
Reference: Standard computer networking fundamentals: ipv4 addressing