Which field in the IPv6 header is used to identify the upper-layer protocol?
Options
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A.
Hop Limit
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B.
Payload Length
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C.
Next Header
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D.
Flow Label
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E.
None of the above
Correct Answer (Detailed Explanation is Below)
C.
Next Header
Detailed Explanation
Correct Answer: Next Header
- The Next Header field identifies the type of header immediately following the IPv6 base header.
- It may identify TCP, UDP, ICMPv6 or an IPv6 extension header.
- It performs a role similar to the Protocol field in IPv4.