350-501 Networking Practice Question
A service provider wants to provide IPv6 connectivity over an existing MPLS IPv4 core using BGP extensions. Which technology should be used?
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
✓
6PE
6PE (IPv6 Provider Edge) uses BGP to carry IPv6 prefixes with an IPv4 next-hop over an MPLS core, avoiding the need for IPv6 in the 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.
- ✓
6PE
Why this is correct
6PE uses BGP to carry IPv6 over MPLS with IPv4 next-hop.
- ✗
NAT64
Why it's wrong here
NAT64 translates between IPv6 and IPv4; not for MPLS transport.
- ✗
Dual-stack
Why it's wrong here
Dual-stack runs both IPv4 and IPv6, but does not leverage MPLS.
- ✗
6VPE
Why it's wrong here
6VPE provides IPv6 L3VPN services, not just IPv6 connectivity.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-501 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 350-501 exam.