Which three conditions are required for two FortiGate devices to form an OSPF adjacency? (Choose three.)

Which three conditions are required for two FortiGate devices to form an OSPF adjacency? (Choose three.)

A. OSPF interface network types match. B. OSPF router IDs are unique. C. OSPF interface priority settings are unique. D. Authentication settings match. E. OSPF link costs match.