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.