Which three OSPF states are involved when two routers are forming an adjacency? (Choose three.)

Question:
Which three OSPF states are involved when two routers are forming an adjacency? (Choose three.)

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

Explanation: OSPF operation progresses through 7 states for 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: CCNA 3 v7 Modules 1 – 2 Exam Answers