单项选择题
What is the IPv6 address FF02::2 used for?（）
A. all routers in a local segment B. all routers in an autonomous system C. all hosts in a local segment D. all hosts in a particular multicast group
多项选择题 Which three IP multicast group concepts are true?（）
多项选择题 Refer to the exhibit. What two statements are true?（）
单项选择题 Which IPv6 address correctly compresses the IPv6 unicast address 2001:0:0:0:0DB8:0:0:417A?（）
