Multiple Choice
Refer to the exhibit. Which two topology changes happen to the IS-IS routers? (Choose two.)
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) R1 and R2 are Level 2 neighbors
E) All four routers are operating as Level 1 routers only
Correct Answer:

Verified
Correct Answer:
Verified
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