6to4

642-902 Q&A – Implement an IPv6 based solution (21-25)

Section 4 – Implement an IPv6 based solution, given a network design and a set of requirements

QUESTION NO: 21
Which functionality is required within an IP router that is situated at the boundary of an IPv4 network and an IPv6 network to allow communication between IPv6-only and IPv4-only nodes? Select the best response.
A. Autoconfiguration
B. Automatic 6to4 Tunnel
C. Automatic 6to4 Relay
D. Network Address Translator-Protocol Translator (NAT-PT) E. Intrasite Automatic Tunnel Address Protocol (ISATAP)
Answer: D

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