Which OSPF neighbor state indicates that two neighbors have exchanged routes?

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Which OSPF neighbor state indicates that two neighbors have exchanged routes?

exchange
loading
INIT
full

Explanation: The FULL state is the definitive indicator that the link-state database (LSDB) synchronization process is complete and the neighbors are fully adjacent. While the act of exchanging information occurs during the EXCHANGE (sending database headers) and LOADING (requesting specific routes) states, the FULL state signifies that:

The routers have identical and synchronized databases.

All Link State Requests (LSRs) have been satisfied.

The routers are now capable of routing traffic, which can only happen once the FULL state is reached.

Therefore, transitioning to the FULL state is the final confirmation that the two neighbors have successfully exchanged all necessary routing information.

Which OSPF neighbor state indicates that two neighbors have exchanged routes?

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