350-501 Networking Practice Question
Which BGP mechanism can reduce the number of iBGP sessions in a large SP network while preventing routing loops?
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
✓
BGP route reflector
Route reflectors allow iBGP speakers to advertise routes learned from other iBGP peers, reducing full mesh requirements, and use cluster-id and originator-id to prevent loops.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
BGP PIC
Why it's wrong here
PIC improves convergence, not session reduction.
- ✗
BGP confederation
Why it's wrong here
Confederation divides an AS into sub-ASes, also reduces iBGP sessions.
- ✓
BGP route reflector
Why this is correct
Route reflectors reduce iBGP sessions and use loop prevention mechanisms.
- ✗
BGP BFD
Why it's wrong here
BFD provides fast failure detection.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-501 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 350-501 exam.