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单项选择题Which statement is true concerning 6to4 tunneling?()

A、The edge routers can use any locally configured  IPv6 address.

B、Hosts and routers inside a 6to4 site will need a special code.

C、An edge router must use IPv6 address of 2002::/16 in its prefix.

D、IPv4 traffic is encapsulated with an IPv6 header.

  • C
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