Which two statements about packet fragmentation on an IPv6 network are true?

Which two statements about packet fragmentation on an IPv6 network are true? (Choose two.)

A.
The fragment header is 64 bits long.

B.
The identification field is 32 bits long.

C.
The fragment header is 32 bits long.

D.
The identification field is 64 bits long.

E.
The MTU must be a minimum of 1280 bytes.

F.
The fragment header is 48 bits long.