Refer to the network topology diagram shown in the exhibit. The routing table of R3 contains
all the proper OSPF routes except the 10.4.4.0/24 OSPF route. Which show command on
R3 will be the most useful to determine the cause of this problem and why?
A.
Perform show ip ospf virtual-link to examine if thevirtual link between R3 and R4 is
configured and in the up state.
B.
Perform show run to examine if area 3 is configuredas a stubby area.
C.
Perform show run to examine if area 3 is configuredas a nssa area.
D.
Perform show ip ospf neighbor to examine which router is elected as the DR on the e2
interface.
E.
Perform show ip ospf database to examine the OSPF database entries.