Which two statements are true when configuring OSPF authentication? (Choose two.)
A.
An MD5 password requires a key ID.
B.
You can configure multiple MD5 passwords simultaneously on the same link.
C.
If the MD5 password negotiation fails, you can configure OSPF to automatically use a
simple password as a backup.
D.
An OSPF link can support both simple password and MD5 authentication at the same
time.