Which two statements are true about OSPFv3? (Choose two.)
A . OSPFv3 packets are sent using local subnet addressing.
B . OSPFv3 packets are sent using link local addressing.
C . The authentication mechanisms in OSPFv3 are the same mechanisms used in OSPFv2.
D . The authentication mechanisms from OSPFv2 are not present in OSPFv3.
Answer: B,D