hardMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command on Router PE4: PE4#…
A network engineer runs the following command on Router PE4:
PE4# show bgp vpnv4 unicast all summary
BGP router identifier 10.0.0.4, local AS number 65001 BGP table version is 25, main routing table version 25 5 network prefixes using 640 bytes of memory 5 path entries using 400 bytes of memory 3/3 BGP path/bestpath attribute entries using 360 bytes of memory 1 BGP AS-PATH entries using 24 bytes of memory 0 BGP route-map cache entries using 0 bytes of memory 0 BGP filter-list cache entries using 0 bytes of memory BGP using 1424 total bytes of memory BGP activity 15/10 prefixes, 20/15 paths, scan interval 60 secs
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 10.0.0.5 4 65001 1020 1015 25 0 0 00:12:34 5 10.0.0.6 4 65002 500 495 25 0 0 00:06:20 0
Based on this output, what is the problem?
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
✓
Neighbor 10.0.0.6 is not sending any prefixes.
The BGP summary shows two neighbors: 10.0.0.5 (AS 65001) with 5 prefixes received, and 10.0.0.6 (AS 65002) with 0 prefixes received. The neighbor 10.0.0.6 has been up for 6 minutes but has not sent any prefixes. This indicates a problem with prefix advertisement from that neighbor.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Neighbor 10.0.0.5 is not exchanging prefixes.
Why it's wrong here
It has received 5 prefixes, so exchange is happening.
- ✓
Neighbor 10.0.0.6 is not sending any prefixes.
Why this is correct
The 'State/PfxRcd' column shows 0 for 10.0.0.6, indicating no prefixes received.
- ✗
Both neighbors are in the Idle state.
Why it's wrong here
Both show an Up/Down time, so they are established.
- ✗
The BGP table is empty.
Why it's wrong here
The output shows 5 network prefixes, so the table is not empty.
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JA
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.