350-501 Networking Practice Question
In BGP confederation, which attribute is used to prevent loops between sub-ASes?
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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Confederation AS_PATH
The confederation AS_PATH (AS_CONFED_SEQUENCE and AS_CONFED_SET) is used to track the path within the confederation, and loop detection checks this attribute.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Confederation AS_PATH
Why this is correct
Confederation AS_PATH prevents loops within confederation.
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CLUSTER_LIST
Why it's wrong here
CLUSTER_LIST is for route reflectors.
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AS_PATH
Why it's wrong here
AS_PATH tracks real ASes, not confederation sub-ASes.
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ORIGINATOR_ID
Why it's wrong here
ORIGINATOR_ID is for route reflectors.
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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.