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CCNP Practice Question: Which three statements about BGP route reflectors…
Which three statements about BGP route reflectors are true? (Choose three.)
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
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Route reflectors allow iBGP speakers to advertise routes learned from other iBGP speakers without requiring a full mesh.
Route reflectors are used to reduce the number of iBGP peers in an AS. They allow iBGP speakers to advertise routes learned from other iBGP speakers without requiring a full mesh. A route reflector client does not need to be fully meshed with other clients; it only peers with the route reflector. The route reflector can be a client itself. The cluster ID is used to identify a route reflector cluster and to prevent loops. The route reflector does not modify the AS_PATH or NEXT_HOP attributes by default.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Route reflectors allow iBGP speakers to advertise routes learned from other iBGP speakers without requiring a full mesh.
Why this is correct
Correct: This is the primary purpose of route reflectors; they relax the full mesh requirement.
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A route reflector client must be fully meshed with all other clients in the same cluster.
Why it's wrong here
Incorrect: Route reflector clients do not need to be fully meshed; they only peer with the route reflector.
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The route reflector can be a client of another route reflector.
Why this is correct
Correct: Route reflectors can be hierarchical; a route reflector can be a client of another route reflector in a different cluster.
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The cluster ID is used to prevent routing loops in a route reflector environment.
Why this is correct
Correct: The cluster ID is added to the CLUSTER_LIST attribute to detect and prevent loops.
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The route reflector modifies the AS_PATH attribute to prevent loops.
Why it's wrong here
Incorrect: Route reflectors do not modify AS_PATH; they use the CLUSTER_LIST and ORIGINATOR_ID attributes for loop prevention.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 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 350-401 exam.