Which of the following fields is present in the IPv4 header but not in the fixed IPv6 base header?
Options
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A.
Source Address
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B.
Destination Address
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C.
Header Checksum
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D.
Hop Limit
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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.