The header length of an IPv6 datagram is ___________

The header length of an IPv6 datagram is ___________ Correct Answer 40bytes

IPv6 datagram has fixed header length of 40bytes, which results in faster processing of the datagram. There is one fixed header and optional headers which may or may not exist. The fixed header contains the mandatory essential information about the packet while the optional headers contain the optional “not that necessary” information.

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In the IPv6 header, the traffic class field is similar to which field in the IPv4 header?
In an IPv6 header, the traffic class field is similar to which field in the IPv4 header?