350-501 Networking Practice Question
In BGP, an SP router receives multiple routes to the same prefix. The first route has a weight of 100, LOCAL_PREF of 200, AS_PATH length 3, and is learned via eBGP. The second route has weight 50, LOCAL_PREF 150, AS_PATH length 2, and is learned via iBGP. According to BGP route selection, which route will be preferred?
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 first route (weight 100)
BGP selection order: highest weight first. Route 1 has weight 100, Route 2 has weight 50, so Route 1 is preferred regardless of other attributes.
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 second route (AS_PATH length 2)
Why it's wrong here
Weight is checked before AS_PATH length, so the first route wins.
- ✗
The first route (eBGP learned)
Why it's wrong here
While eBGP is preferred over iBGP, this is checked later; weight decides first.
- ✗
The second route (LOCAL_PREF 150)
Why it's wrong here
Weight is checked before LOCAL_PREF, so the first route wins.
- ✓
The first route (weight 100)
Why this is correct
Correct. Weight is checked first; higher weight wins.
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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.