What are two Cisco IOS commands that can be used to view neighbor adjacencies? (Choose
two.)

A.
show ip ospf database

B.
show ip ospf neighbors

C.
show ip ospf protocols

D.
show ip ospf interfaces

Explanation:
The output of these commands are shown below:

Notice that for the “show ip ospf interface” command, the “Neighbor Count” is the number of OSPF

neighbors discovered on this interface while the “Adjacent neighbor count” is the number of
routers running OSPF that are fully adjacent with this router. Adjacent means that their databases
are fully synchronized. In this example, this router has one neighbor on its Ethernet0 interface.