mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: In BGP, what is the effect of using a route-map…
In BGP, what is the effect of using a route-map with a set community command but without the additive keyword?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The existing communities are overwritten by the specified community.
When set community is used without the additive keyword, it replaces any existing community attributes on the route with the specified community. With the additive keyword, the specified community is added to the existing communities.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The specified community is added to the existing communities.
Why it's wrong here
Incorrect. That is the behavior with the additive keyword.
- ✓
The existing communities are overwritten by the specified community.
Why this is correct
Correct. Without additive, set community replaces the community attribute.
- ✗
The community attribute is not modified; the set command is ignored.
Why it's wrong here
Incorrect. The set command is applied; it replaces the community.
- ✗
The route is denied if it already has communities.
Why it's wrong here
Incorrect. The route is not denied; the community is simply replaced.
Go deeper
Related to this question
About these practice questions
One of 1,966 original 300-410 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.