Refer to the exhibit.
#R1 interface g0/0 ip address 192.168.1.1 255.255.255.0 ip router isis ! router isis net 49.0022.1111.1111.1111.00 area-password ciSCo
#R2 interface g0/1 ip address 192.168.1.2 255.255.255.0 ip router isis ! router isis net 49.0022.1111.1111.1111.00 area-password ciSco
After you applied these configurations to routers R1 and R2, the two devices could not form a neighbor relationship. Which reason for the problem is the most likely?

A.	The two routers cannot authenticate with one another.
B.	The two routers have the same area ID.
C.	The two routers have the same network ID.
D.	The two routers have different IS-types.