单选题Which statement describes the difference between a manually configured IPv6 in IPv4 tunnel versus an automatic 6to4 tunnel?（）AAn automatic 6to4 tunnel does not req uire dual - stack (IPv4 and IPv6) routers at the tunnel endpoints.BAn automatic 6to4 tunnel allows multiple IPv4 destinations.CA manually configured IPv6 in IPv4 tunnel allows multiple IPv4 destinations.DA manually configured IPv6 in IPv4 tunnel does not require dual- stack (IPv4 and IPv6) routers at the tunnel endpoints.
单选题
Which statement describes the difference between a manually configured IPv6 in IPv4 tunnel versus an automatic 6to4 tunnel?（）
A
An automatic 6to4 tunnel does not req uire dual - stack (IPv4 and IPv6) routers at the tunnel endpoints.
B
An automatic 6to4 tunnel allows multiple IPv4 destinations.
C
A manually configured IPv6 in IPv4 tunnel allows multiple IPv4 destinations.
D
A manually configured IPv6 in IPv4 tunnel does not require dual- stack (IPv4 and IPv6) routers at the tunnel endpoints.
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The answers each list a tunnel method and two consecutive IPv6 address quartets.Which answers identify a tunneling method that relies on an IPv4 address to be embedded into an IPv6 address, within the correct quartets listed?（）A. Automatic 6to4, quartets 2 and 3B. Automatic 6to4, quartets 7 and 8C. ISATAP, quartets 2 and 3D. ISATAP, quartets 7 and 8
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多选题A Company is using 6to4 tunnels in their IPv6 network. Which two statements are true about thesetunnels？（）AIn a 6to4 tunnel， the first two bytes of the IPv6 address will be 0x2002 and the next four byteswill be the hexadecimal equivalent of the IPv4 addressBIn a 6to4 tunnel， the IPv4 address 192.168.99.1 would be converted to the2002：1315：4463：1：：/64 IPv6 addressCIn a 6to4 tunnel， the IPv4 address 192.168.99.1 would be converted to the 2002：c0a8：6301：：/48IPv6 addressDIn a 6to4 tunnel， the first two bytes of the IPv6 address will be locally derived and the next twobytes will be the hexadecimal equivalent of the IPv4 addressEIn a 6to4 tunnel， the IPv4 address 192.168.99.1 would be converted to the 2002：c0a8：6301：：/16IPv6 address
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