Refer to the exhibit. Which two statements about the IS-IS topology are true? (Choose two.)
Refer To The Ex 1 (229.71 KiB) Viewed 50 times
A. R1 and R4 are Level 2 neighbors.
B. All four routers are operating as Level 1-2 routers.
C. All four routers are operating as Level 2 routers only.
D. All four routers are operating as Level 1 routers only.
E. R1 and R2 are Level 2 neighbors.
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