Which IPv6 transition mechanism treats the wide area IPv4 network as a unicast point-to-point link layer?

A. 6-to-4
B Teredo
C. Dual Stack
D. GRE tunnels

A
Explanation: 6-to-4 allows IPv6 sites to communicate with each other over an IPv4 network. IPv6 sites communicate with native IPv6 domains via relay routers. Effectively it treats the wide area IPv4 network as a unicast point-to-point link layer.

Computer Science & Information Technology

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