Which statements about OSPF packets are true? (Select 2 answers)

Which statements about OSPF packets are true? (Select 2 answers)
A . Hello packets can be sent immediately after the interface joined OSPF area.
B . After received LS Update packets, the router must send LSAck for confirming.
C . LS Update messages synchronize the link state database by sending detailed LSAs.
D . LS Update packets are sent only after an adjacency is established.

View Answer

Answer: AC