You have been asked to explain converged networks to a trainee. How would you accurately describe a converged network?

A network is converged when all routers have formed an adjacency.
A network is converged immediately after a topology change has occurred.
A network is converged when all routers flush the unreachable networks from their routing tables.
A network is converged after all routers share the same information, calculate best paths, and update their routing tables. 

ccna 2 final Exam Question And Answers 

You have been asked to explain converged networks to a trainee. How would you accurately describe a converged network?