Cisco Exam 300-420 Topic 7 Question 96 Discussion

Actual exam question for Cisco's 300-420 exam

Question #: 96
Topic #: 7

A network engineer must segregate three interconnected campus networks using IS-IS routing. A two-layer hierarchy must be used to support large routing domains and to avoid more specific routes from each campus network being advertised to other campus network routers automatically. Which two actions does the engineer take to accomplish this segregation? (Choose two.)

ADesignate two IS-IS routers as BDR routers at the edge of each campus, and configure one BDR for all Level 1 routers and one BDR for all Level 2 routers.

BDesignate two IS-IS routers from each campus to act as Level 1/Level 2 backbone routers at the edge of each campus network.

CAssign the same IS-IS NET value for each campus, and configure internal campus routers with Level 1/ Level 2 routing.

DUtilize different MTU values for each campus network segment. Level 2 backbone routers must utilize a larger MTU size of 9216.

EAssign a unique IS-IS NET value for each campus, and configure internal campus routers with Level 1 routing.

Show Suggested Answer

Suggested Answer: C

by Alisha at Aug 24, 2024, 08:31 AM

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Coletta

9 days ago

Option B looks good to me. Having two Level 1/Level 2 backbone routers at the edge of each campus network should segregate the routing domains nicely.

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