Which part of an IPv6 packet is similar to IPv4 option field?

A.
The data header.

B.
The extension header.

C.
The next header.

D.
The transmission header.

Explanation:
Ipv6 can specify options after the main header by using extension headers.
Incorrect Answers:
A: There is a packet header, and headers for the extensions. There is no data header.
C: The Next Header identifies the type of Header Extension that comes next, but it does not
provide actual information on the options themselves.
D: There is a packet header, and headers for the extensions. There is no transmission header.