350-501 Networking Practice Question
A service provider is deploying IPv6 transition mechanisms. Which three technologies use encapsulation over an IPv4 network? (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
✓
6VPE
6PE, 6VPE, and 6rd encapsulate IPv6 packets over IPv4; MAP-T uses translation, not encapsulation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
6VPE
Why this is correct
6VPE encapsulates IPv6 VPN traffic over MPLS.
- ✗
NAT64
Why it's wrong here
NAT64 translates between IPv6 and IPv4, does not encapsulate.
- ✗
MAP-T
Why it's wrong here
MAP-T uses translation, not encapsulation.
- ✓
6PE
Why this is correct
6PE encapsulates IPv6 in MPLS (IPv4 core).
- ✓
6rd
Why this is correct
6rd encapsulates IPv6 in IPv4 using a configured prefix.
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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.