Which of the following fields is present in the IPv4 header but not in the fixed IPv6 base header?

Options

  • A. Source Address
  • B. Destination Address
  • C. Header Checksum
  • D. Hop Limit
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. Header Checksum

Detailed Explanation

Correct Answer: Header Checksum

  • IPv4 contains a Header Checksum field.
  • IPv6 does not include a header checksum in its base header.
  • This reduces processing overhead at routers.
  • Upper-layer protocols and link-layer mechanisms provide their own error detection where applicable.