Which of the following conditions must be met in order for a network to have converged?

The routers in the network are operating with dynamic routing protocols.
The routers in the network are operating with compatible versions of IOS.
The routers in the network are operating with the same routing tables.
The routers in the network are operating with consistent routing knowledge.

ccna exploration 2 chapter 3 Exam Question And Answers 

Which of the following conditions must be met in order for a network to have converged?