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Cisco 300-510 Exam - Topic 10 Question 67 Discussion

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 area. 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?
A) Configure 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.
B) Configure R6 to operate as a Level 1 router only so that it maintains the Level 1 database for all routers.
C) Configure 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
D) Configure all routers to operate as IS-IS Level 2 routers so that only a Level 2 database is maintained.

Cisco 300-510 Exam - Topic 10 Question 67 Discussion

Actual exam question for Cisco's 300-510 exam
Question #: 67
Topic #: 10
[All 300-510 Questions]

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?

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Suggested Answer: A

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

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Cyndy
10 months ago
Totally agree, R3 and R5 need that default route injected!
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Janine
10 months ago
Not sure if changing all to Level 2 is the best move.
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Mirta
10 months ago
I think R6 should just be a Level 1 router.
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Amie
11 months ago
Definitely need to adjust the attached bits!
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Tamra
11 months ago
All routers have different 6-byte system IDs.
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Britt
11 months ago
I feel like the answer could be D, but I also remember that Level 2 might not be necessary for all routers. It's tricky!
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Rodrigo
11 months ago
I think configuring R6 as a Level 1 router might help, but I'm not completely confident. What if it just complicates the routing?
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Ricki
11 months ago
This question feels similar to one we practiced where we had to adjust router levels to manage CPU load. I think it might be about keeping the database size manageable.
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Kaycee
11 months ago
I remember something about IS-IS levels, but I'm not sure if we need to change all routers to Level 1 or just R6.
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Brittni
11 months ago
This seems like a straightforward question about insurance policies that could help an organization recover losses from internal fraud. I'll need to carefully review the options and think about which type of insurance would be most relevant.
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Valentin
11 months ago
Okay, let me see. Encryption is definitely a security function, so it makes sense that it would be on one of the higher layers. I'm going to go with Presentation layer for this one.
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Cornell
1 year ago
Option D... so, we're just gonna make everything Level 2 and call it a day? Sounds like a real 'nuke it from orbit' kind of approach. I dig it!
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Emiko
1 year ago
I guess we'll find out soon enough if it solves the CPU processing issues.
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Rhea
1 year ago
True, but sometimes simplicity is key. Let's see if it works.
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Bobbie
1 year ago
But wouldn't that be a bit drastic? Maybe there's a more targeted solution.
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Virgina
1 year ago
Yeah, sometimes you just gotta go with the 'nuke it from orbit' approach.
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Maybelle
1 year ago
I'm just picturing the engineer adding R6 and then hearing the distant screams of R3 and R5 as their CPUs start melting down. Yikes!
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Denae
1 year ago
Hold on, are we sure the problem is with the attached bits? What if the issue is actually with the default route injection? Maybe Option C is the solution here.
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Frederic
1 year ago
Option B looks like the way to go. Keeping R6 as a Level 1 router should prevent the CPU issues on R3 and R5. Sounds like a simple fix.
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Edison
1 year ago
Configuring all routers to operate as IS-IS Level 2 routers might be too drastic of a change.
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Laurene
1 year ago
Yes, that seems like the best solution to resolve the problem.
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Daren
1 year ago
I agree, configuring R6 as a Level 1 router should help with the CPU issues on R3 and R5.
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Blair
1 year 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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Nakisha
1 year ago
User2: No, I believe we should configure R6 to operate as a Level 1 router only.
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Celia
1 year ago
User1: I think we need to configure all routers to operate as IS-IS Level 2 routers.
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Staci
1 year ago
But wouldn't configuring R6 to operate as a Level 1 router only also help resolve the CPU processing issues?
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Arlean
1 year ago
I disagree, I believe the answer is C) Configure routers R5 and R3 to operate as Level 1 routers only.
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Staci
1 year ago
I think the answer is A) Configure all routers to operate as IS-IS Level 1 routers by altering the attached bit.
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