mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command on Router PE2: PE2#…
A network engineer runs the following command on Router PE2:
PE2# show ip bgp vpnv4 vrf CUSTOMER_A 10.10.10.0 24
BGP routing table entry for 10.10.10.0/24, version 15 Paths: (1 available, best #1, table CUSTOMER_A) Advertised to update-groups: 1 Refresh Epoch 1 Local, imported path from 10.10.10.0/24
10.1.1.1 (metric 20) from 10.1.1.1 (10.1.1.1)
Origin incomplete, metric 0, localpref 100, valid, internal, best Extended Community: RT:100:100 mpls labels in/out 18/19
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
✓
The route is functioning correctly with no issues.
The output shows a VPNv4 route for VRF CUSTOMER_A. The route is marked as 'imported path from 10.10.10.0/24', which indicates it was imported from the global table or another VRF. The route is valid and best, with labels assigned. No problem is indicated; the route is functioning correctly.
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 not being advertised to any BGP peer.
Why it's wrong here
The output shows 'Advertised to update-groups: 1', meaning it is being advertised.
- ✗
The route is missing the required Route Target community.
Why it's wrong here
The output shows 'Extended Community: RT:100:100', so the RT is present.
- ✓
The route is functioning correctly with no issues.
Why this is correct
All fields indicate a valid, best route with labels and RT.
- ✗
The route has an incorrect label binding.
Why it's wrong here
Labels 18/19 are present and valid; no error is shown.
Go deeper
Related to this question
Learn chapter
Introduction to ENARSI Exam and Network Fundamentals
Key term
MPLS Layer 3 VPN
A technology that uses Multiprotocol Label Switching to create secure, scalable virtual private networks that connect multiple sites at the network layer, where the service provider manages routing between customer sites.
Key term
MP-BGP for VPN
MP-BGP for VPN is an extension of the Border Gateway Protocol that carries multiple types of network layer information to enable scalable, isolated virtual private networks over a shared provider infrastructure.
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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.