mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command on Router R3: R3# show…
A network engineer runs the following command on Router R3:
R3# show ip route 172.16.1.0
Routing entry for 172.16.1.0/24 Known via "bgp 65000", distance 20, metric 0 Redistributing via bgp 65000 Last update from 192.168.1.1 00:00:15 ago Routing Descriptor Blocks:
* 192.168.1.1, from 192.168.1.1, 00:00:15 ago
Route metric is 0, traffic share count is 1
Based on this output, what can be concluded about the administrative distance?
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 eBGP route, as the distance 20 is the default for eBGP.
The default administrative distance for BGP is 20 for eBGP routes and 200 for iBGP routes. A distance of 20 indicates this is an eBGP route. The metric of 0 is typical for eBGP routes.
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 iBGP route with a manually configured distance of 20.
Why it's wrong here
The default distance for iBGP is 200, not 20. A distance of 20 indicates eBGP, not iBGP.
- ✓
The route is an eBGP route, as the distance 20 is the default for eBGP.
Why this is correct
eBGP routes have a default administrative distance of 20, matching this output.
- ✗
The route is redistributed from OSPF into BGP.
Why it's wrong here
The output shows the route is known via BGP, not OSPF. The source protocol is BGP.
- ✗
The administrative distance of 20 is non-standard and must have been changed.
Why it's wrong here
20 is the standard default distance for eBGP routes, not a non-standard change.
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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.