单项选择题
A.A
B.B
C.C
D.D
单项选择题 You would like to view all Fast Ethernet interfaces currently using VLAN tagging and the specific VLANs each interface is using. Which CLI command displays this information?（）
单项选择题 Which CLI command is used to set a Privileged Exec password of my password?（）
单项选择题 HowisanRSVPresvmessagesentbacktotheingressrouter？（）
