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300-410 Practice Question: Runs the following command to troubleshoot an…
A network engineer runs the following command to troubleshoot an Administrative Distance issue:
R1# show bgp ipv4 unicast 192.168.4.0/24
BGP routing table entry for 192.168.4.0/24, version 2 Paths: (1 available, best #1, table default) Advertised to update-groups: 1 Refresh Epoch 1 Local
10.1.1.2 from 10.1.1.2 (2.2.2.2)
Origin IGP, metric 0, localpref 100, valid, external, best rx pathid: 0, tx pathid: 0x0
What does this output indicate?
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 route is an external BGP route with administrative distance 20.
The output shows BGP route details including the path attributes. The administrative distance for BGP external routes is 20 by default, but this is not shown here. The output indicates the route is learned via eBGP and is the best path.
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 route is an internal BGP route with administrative distance 200.
Why it's wrong here
The path shows 'external', indicating eBGP, which has AD 20.
- ✓
The route is an external BGP route with administrative distance 20.
Why this is correct
The output shows 'external', and eBGP routes have a default AD of 20.
- ✗
The route has a local preference of 200, making it preferred.
Why it's wrong here
Local preference is 100, not 200.
- ✗
The route is not the best path because it is external.
Why it's wrong here
The output says 'best #1', so it is the best path.
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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.