What are functions of Type 9 LSAs in OSPFv3? (Select two.)

A.
They enable the graceful restart of the OSPFv3 process.

B.
They provide addressing information for links advertised in Type 1 and 2 LSAs.

C.
They can trigger OSPF routing devices to run the shortest path first (SPF) algorithm again. I- (?!)

D.
They advertise the prefixes for stub networks.
E. They help OSPF routing devices maintain their neighbors’ state during the exchange of database
information.