[&] An IP Routing Protocol designed in such a way that a router is required to form neighbor adjacencies with routers on directly connected links, and that same router is also aware of other router-id's within the topology that are multiple hops away, is best described as a type of \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_. (***select the best answer***)
- Path Vector Protocol
- Advanced Distance Vector Protocol
- Distance Vector Protocol
- Link State Protocol -- Correct