Which OSPF states are performed prior to two routers forming a neighbor adjacency? (Choose three.)

Which OSPF states are performed prior to two routers forming a neighbor adjacency? (Choose three.)

• Down
• Exchange
• ExStart
• Init
• Loading
• Two-Way

Explanation: OSPF operation progresses through seven states in establishing neighboring router adjacency, exchanging routing information, calculating the best routes, and reaching convergence. The Down, Init, and Two-Way states are involved in the phase of neighboring router adjacency establishment.

Exam with this question: 1.4.2 Module Quiz - Single-Area OSPFv2 Concepts