单项选择题
Which command can be used on a PE router to connect to a CE router （11.1.1.4） in VRF red？（）
A.telnet 11.1.1.4 /vrf-source red B.telnet 11.1.1.4 source /vrf red C.telnet 11.1.1.4 /source vrf red D.telnet 11.1.1.4 /vrf red E.telnet 11.1.1.4 vrf red
单项选择题 ForwhichroutesdoesLDPadvertisealabelbinding？（）
单项选择题 WhichcommandwilldefineaVRFwithname’CCIE’inIPv6？（）
多项选择题 Refer to the exhibit. From the MAC addresses shown in the command output， to which two ports is the multicast stream 225.230.57.199 being forwarded on this switch？ （）
