Cisco Exam 300-510 Topic 10 Question 67 Discussion

Actual exam question for Cisco's 300-510 exam

Question #: 67
Topic #: 10

Refer to the exhibit.

A service provider is running IS-IS in the core, and all routers use the default IS-IS configuration and reside in the same are

a. All routers maintain a different 6 bytes for the system ID. but the attached bits in the NET are the same. After an engineer added router R6 to the network. R3 and R5 began to experience CPU processing issues. Which action must the engineer take to resolve the issue?

AConfigure all routers lo operate as IS-IS Level 1 routers by altering the attached bit to ensure that a default route is Injected Into the routing tables.

BConfigure R6 to operate as a Level 1 router only so that it maintains the Level 1 database for all routers.

CConfigure routers R5 and R3 to operate as Level 1 routers only so that they inject a default routing into the routing tables of the other routers

DConfigure all routers to operate as IS-IS Level 2 routers so that only a Level 2 database is maintained.

Show Suggested Answer

Suggested Answer: A

by Theodora at Mar 31, 2023, 02:54 PM

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Blair

16 days ago

Hmm, this question seems tricky. I think the key here is to understand the impact of adding a new router to an IS-IS network. Gotta be careful with those attached bits!

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