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CCNP Practice Question: Which three statements about MPLS Layer 3 VPNs…
Which three statements about MPLS Layer 3 VPNs are true? (Choose three.)
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
✓
MP-BGP is used to exchange VPNv4 routes between PE routers.
MPLS L3VPNs use MP-BGP to exchange VPNv4 routes, require a VRF per customer, and use two labels (IGP label for transport, VPN label for VRF lookup). The PE router performs the routing between CE and the MPLS core.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
MP-BGP is used to exchange VPNv4 routes between PE routers.
Why this is correct
Correct because MP-BGP carries VPNv4 prefixes with route distinguishers and route targets.
- ✓
Each customer site requires a separate VRF on the PE router.
Why this is correct
Correct because VRFs isolate customer routing tables on the PE.
- ✗
The P router maintains a full routing table for all VPN customers.
Why it's wrong here
Incorrect because P routers only have IGP routes for the core, not customer VPN routes.
- ✗
A single MPLS label is used for both transport and VPN identification.
Why it's wrong here
Incorrect because MPLS L3VPN uses two labels: one for transport (IGP) and one for VPN (service).
- ✓
The PE router performs the routing between the CE device and the MPLS core.
Why this is correct
Correct because the PE is the edge router that connects CE to the MPLS network.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 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 350-401 exam.