Refer to the exhibit.
Which two configuration options can be used to optimize the IS-IS network scenario? (Choose
two.)
A.
Change the R1 and R2 IS type to Level 2.
B.
Change the R1 and R2 IS type to Level 1.
C.
Change the gi0/0 interface IS-IS circuit type on R1 and R2 to Level 2 only.
D.
Change the gi0/1 interface IS-IS circuit type on R1and R2 to Level 1.
E.
Change the IS type for all the routers to Level-1-2.
F.
Change the IS-IS network type for all the routers to point-to-point.
Explanation: