In reference to the P1R3 show isis route output, which statement is true?

A.
P1R1 is a level-1 only IS-IS router.

B.
P1R3 is a level-2 only IS-IS router.

C.
P1R3 routing table should containi L2 entries.

D.
P1R1 is the exit point out of the area for P1R3.

E.
P1R3 has been configured with anondefault IS-IS metric.

F.
P1R1 has been configured with anondefault IS-IS metric.