How is authentication handled with OSPFv3? Select the best response.

A.
OSPFv3 for IPv6 authentication is supported by SHA-1 authentication.

B.
OSPFv3 for IPv6 authentication is supported by MD5 authentication.

C.
OSPFv3 for IPv6 authentication is supported by IPv6IPsec.

D.
OSPFv3 for IPv6 authentication is supported by IPv4IPsec.