Which IPv6 transition mechanism is used when IPv6 hosts are located behind IPv4 network address translation (NATs)?

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


B
Explanation: Teredo assigns addresses and creates host-to-host tunnels for unicast IPv6 traffic when IPv6 hosts are located behind IPv4 network address translators (NATs).

Computer Science & Information Technology

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