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6to4 机制如何在 IPv4 网络上自动建立隧道 ？
A.由网络管理员依据网络架构建立隧道出入口#B.IPv6 目的地网址嵌入连接目地的 IPv6 主机的 6to4 路由器的 IPv4 网址, 6to4 路由器根据 IPv6 目的地网址得知隧道出口的IPv4 网址#C.IPv6 原始网址嵌入连接原始 IPv6 主机的 6to4 路由器的 IPv4 网址, 6to4 路由器根据 IPv6 原始网址得知隧道入口的IPv4 网址.#D.IPv6 目的地网址嵌入连接目地的 IPv6 主机的 6to4 路由器的 IPv4 网址, 6to4 路由器根据 IPv6 目的地网址得知隧道入口的IPv4 网址.参考答案和解析
IPv6 目的地网址嵌入连接目地的 IPv6 主机的 6to4 路由器的 IPv4 网址 , 6to4 路由器根据 IPv6 目的地网址得知隧道出口的 IPv4 网址;IPv6 原始网址嵌入连接原始 IPv6 主机的 6to4 路由器的 IPv4 网址 , 6to4 路由器根据 IPv6 原始网址得知隧道入口的 IPv4 网址 .
更多 “6to4 机制如何在 IPv4 网络上自动建立隧道 ？A.由网络管理员依据网络架构建立隧道出入口#B.IPv6 目的地网址嵌入连接目地的 IPv6 主机的 6to4 路由器的 IPv4 网址, 6to4 路由器根据 IPv6 目的地网址得知隧道出口的IPv4 网址#C.IPv6 原始网址嵌入连接原始 IPv6 主机的 6to4 路由器的 IPv4 网址, 6to4 路由器根据 IPv6 原始网址得知隧道入口的IPv4 网址.#D.IPv6 目的地网址嵌入连接目地的 IPv6 主机的 6to4 路由器的 IPv4 网址, 6to4 路由器根据 IPv6 目的地网址得知隧道入口的IPv4 网址.” 相关考题
考题
IPv6 站点通过 IPv4 网络通信需要使用隧道技术，常用的 3 种自动隧道技术是（ ）A.VPN 隧道、PPTP 隧道和 IPsec 隧道B.6to4 隧道、6over4 隧道和 ISATAP 隧道C.VPN 隧道、PPP 隧道和 ISATAP 隧道D.IPsec 隧道、6over4 隧道和 PPTP 隧 道
考题
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?()
A. AutoconfigurationB. Automatic 6to4 TunnelC. Automatic 6to4 RelayD. Network Address Translator - Protocol Translator (NAT - PT)E. Intrasite Automatic T unnel Address Protocol (ISATAP)
考题
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.
考题
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.
考题
A Company is using 6to4 tunnels in their IPv6 network. Which two statements are true about thesetunnels？（）A、In 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 addressB、In a 6to4 tunnel， the IPv4 address 192.168.99.1 would be converted to the2002：1315：4463：1：：/64 IPv6 addressC、In a 6to4 tunnel， the IPv4 address 192.168.99.1 would be converted to the 2002：c0a8：6301：：/48IPv6 addressD、In 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 addressE、In a 6to4 tunnel， the IPv4 address 192.168.99.1 would be converted to the 2002：c0a8：6301：：/16IPv6 address
考题
IPv6站点通过IPv4网络通信需要使用隧道技术，常用的3种自动隧道技术是（）A、VPN隧道、PPTP隧道和IPsec隧道B、6to4隧道、6over4隧道和ISATAP隧道C、VPN隧道、PPP隧道和ISATAP隧道D、IPsec隧道、6over4隧道和PPTP隧道
考题
关于ISATAP技术，以下说法错误的是（）A、是一种地址分配技术B、适用于主机到主机、主机和路由器之间的自动隧道技术C、采用了IPV6／IPV4和隧道技术D、隧道端节点必须具有IPV4地址
考题
在IPv4和IPv6的转换中，以下关于6to4协议说法正确的两项是（）A、由于6to4协议对IPv4路由没有影响，该协议在IPv4中不会引起路由环路B、如果IPv6包的MTU超过了IPv4包的MTU，那么该IPv6包会在6to4路由器上丢弃C、6to4路由器可能不会返回包含“unreachable”消息的ICMPv6报文到源端的IPv6节点D、存在于6to4边界路由器上的防火墙和NAT通常不会影响6to4的机制
考题
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?（）A、AutoconfigurationB、Automatic 6to4 TunnelC、Automatic 6to4 RelayD、Network Address Translator - Protocol Translator (NAT - PT)E、Intrasite Automatic T unnel Address Protocol (ISATAP)
考题
单选题IPv6站点通过IPv4网络通信需要使用隧道技术，常用的3种自动隧道技术是（）A
VPN隧道、PPTP隧道和IPsec隧道B
6to4隧道、6over4隧道和ISATAP隧道C
VPN隧道、PPP隧道和ISATAP隧道D
IPsec隧道、6over4隧道和PPTP隧道
考题
单选题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?（）A
AutoconfigurationB
Automatic 6to4 TunnelC
Automatic 6to4 RelayD
Network Address Translator - Protocol Translator (NAT - PT)E
Intrasite Automatic T unnel Address Protocol (ISATAP)
考题
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
考题
单选题Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?（）A
dual stackB
dynamicC
TeredoD
Manual 6to4
考题
多选题在IPv4和IPv6的转换中，以下关于6to4协议说法正确的两项是（）A由于6to4协议对IPv4路由没有影响，该协议在IPv4中不会引起路由环路B如果IPv6包的MTU超过了IPv4包的MTU，那么该IPv6包会在6to4路由器上丢弃C6to4路由器可能不会返回包含“unreachable”消息的ICMPv6报文到源端的IPv6节点D存在于6to4边界路由器上的防火墙和NAT通常不会影响6to4的机制
考题
单选题关于6to4技术，以下说法错误的是（）A
是一种地址分配技术B
适用于主机到主机、主机和路由器之间的自动隧道技术C
启用6to4依赖于路由器配置D
隧道端节点必须具有公网ipv4地址
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