Which statement$($s$)$ is true about either flat or hierarchical routing protocols?

Question $3$ options:

Dynamic is structured in such a way that each router is grouped into controlling traffic within it's local network and then connecting to each router as a backbone to the entire network.

The primary advantage of hierarchical routing is that it mirrors the organizational structure.

All statements are true. There is no wrong answer.

Flat routing is when the routers are peers to each other.