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Cisco 300-420 Exam - Topic 6 Question 126 Discussion

Refer to the exhibit.Refer to the exhibit. An architect is designing a BGP solution to connect a remote branch to a service provider. There are several prefixes within the branch that the company does not want to be advertised to the internet. Which solution should the architect use to accomplish this?
D) Attach the No-Export community with the prefixes to exclude
A) Set the BGP Internet community for all prefixes.
B) Implement the NOPEER community.
C) Use the BGP No-Advertise community for the prefixes to exclude.

Cisco 300-420 Exam - Topic 6 Question 126 Discussion

Actual exam question for Cisco's 300-420 exam
Question #: 126
Topic #: 6
[All 300-420 Questions]

Refer to the exhibit.

Refer to the exhibit. An architect is designing a BGP solution to connect a remote branch to a service provider. There are several prefixes within the branch that the company does not want to be advertised to the internet. Which solution should the architect use to accomplish this?

Show Suggested Answer Hide Answer
Suggested Answer: D

by Lili at May 11, 2026, 05:31 PM

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Wynell
3 days ago
This question is tricky. I think option C is the best.
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Tony
8 days ago
I always thought NOPEER was the way to go, but maybe I’m missing something.
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Hobert
13 days ago
D is also a solid option, but C seems more effective.
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Adolph
19 days ago
Wait, can you really just use the No-Advertise community like that?
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Lenna
24 days ago
Definitely agree with C, it’s the most straightforward.
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Lashawn
29 days ago
I think option C is the best choice here.
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Nobuko
1 month ago
I’m surprised this is even a question; C is the most common solution!
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Coletta
1 month ago
A is just not the right fit here, come on!
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Elmira
1 month ago
Wait, I thought NOPEER was the best choice for this?
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Breana
2 months ago
I think D could also be a valid option, but C seems more straightforward.
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Frederica
2 months ago
C is definitely the way to go! No-Advertise community works perfectly.
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Virgie
2 months ago
I’m leaning towards option C, but I’m a bit uncertain if the No-Export community could also work in this scenario.
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Carmen
2 months ago
I feel like I might have mixed up the NOPEER and No-Advertise communities in my studies. I need to double-check which one is used for not advertising prefixes.
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Carma
2 months ago
I remember practicing a similar question where we had to decide on community attributes in BGP. I think the No-Export community might be relevant too.
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Abel
4 months ago
I think the No-Advertise community option sounds familiar, but I'm not entirely sure if it's the best choice here.
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