Refer to the exhibit.
Which configuration on XR2 provides R1 with only the minimum routing information to reach the rest of the network?
A. Router isis ABCinterface GigabitEthernet0/0/0/1circuit-type level-2-only
B. Router isis ABCinterface GigabitEthernet0/0/0/0circuit-type level-1-2
C. Router isis ABCinterface GigabitEthernet0/0/0/1circuit-type level-1
D. Router isis ABCinterface GigabitEthernet0/0/0/0circuit-type level-1
