350-501 Networking Practice Question
An ISP is implementing MAP-T to transition to IPv6. Which of the following best describes MAP-T?
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
✓
It uses stateless translation between IPv4 and IPv6 at the network edge
MAP-T (Mapping of Address and Port using Translation) uses IPv4-IPv6 translation (stateless NAT64) to allow IPv4 devices to communicate over an IPv6 network. It is an IPv6 transition mechanism.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It encapsulates IPv6 packets in IPv4 headers for transport over an IPv4 core
Why it's wrong here
That describes 6rd.
- ✗
It requires both IPv4 and IPv6 addresses on every router
Why it's wrong here
MAP-T is designed for IPv6-only networks with translation.
- ✓
It uses stateless translation between IPv4 and IPv6 at the network edge
Why this is correct
MAP-T uses stateless NAT64-like translation.
- ✗
It tunnels IPv4 packets over IPv6 using GRE
Why it's wrong here
MAP-T uses translation, not tunneling.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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