单项选择题
A. Issue the clear ip route * privileged EXEC command.
B. Issue the clear ip igmp group privileged EXEC command.
C. Issue the no ip mroute - cache privileged EXEC command.
D. Issue the clear ip mroute privileged EXEC command.
单项选择题 Which statement is true concerning 6to4 tunneling?（）
多项选择题 Your Company has migrated to IPv6 in their network. Which three IPv6 notations represent the same address?（）
多项选择题 The company network is in the process of migrating the IP address scheme to use IPv6. Which of the following address types are associated with IPv6?（）
