单项选择题
A. 2000::1311:11F F:FE11:1111
B. 2000::C0A5:101
C. 2000:C0A5:101::
D. 2000::5EFE:C0A5:101
多项选择题 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?（）
单项选择题 The following configuration exists on a router on one end of an IPv6 tunnel. Although the configuration added so far is correct, the configuration is incomplete. Which type of tunnel is most likely to be intended by the network engineer？（） interface loopback 1 ip address 192.168.1.1 255.255.255.255 interface tunnel 2 ipv6 address 2002:C0A8:10 1::1/64 tunnel source loopback 1
多项选择题 Which of the following IPv6 tunneling mechanisms support IPv6 IGP routing protocols?（）