What routing protocol is the most popular link-state protocol used within a large organization?

A.
RIP

B.
OSPF

C.
BGP

D.
IGMP

Explanation:
Section Reference: Identifying Static and Dynamic Routing
Open Shortest Path First (OSPF) is a link-state protocol that monitors the network for routers that have a
change in their link state, meaning they were turned off, turned on, or restarted.