Which statement about OSPF authentication is true?

A.
To enable OSPF authentication in a network, OSPF area 0 authentication must be enabled
first.

B.
The payload of OSPFv3 packets contains no authentication information.

C.
OSPFv3 supports Advanced Encryption Standard

D.
OSPFv3 uses router ID as a key to encrypt OSPF hello packets.

E.
OSPF MD5 authentication uses TCP, and Plan Test authentication uses UDP.