单项选择题 Router R1 lists the following output from a show command. Which of the following is true about R1?（） R1# show ip v6 interface f0/0 FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456 No Virtual link - local address(es): Global unicast address(es): 2000::4:213:19FF:FE12:3456, subnet is 2000:0:0:4::/64 [EUI] Jo ined group address(es): FF02::1 FF02::2 FF02::1:FF:12:3456

多项选择题 Router R1 has the following configuration. Assuming R1s F0/0 interface has a MAC address of 0200.0011.1111, what IPv6 addresses will R1 list for interface F0/0 in the output of the show ipv6 interface brief command?（） interface f0/0 ipv6 address 2345:0:0:8::1/64

单项选择题 Router R1 has two LAN interfaces and three serial interfaces enabled for IPv6. All the inte rfaces use link local addresses automatically generated by the router. Which of the following could be the link local address of R1s interface S0/0?（）