Which OSPF data structure is identical on all OSPF routers that share the same area?
- forwarding database
- link-state database
- adjacency database
- routing table
Explanation: Regardless of which OSPF area a router resides in, the adjacency database, routing table, and forwarding database are unique for each router. The link-state database lists information about all other routers within an area and is identical across all OSPF routers participating in that area.