单项选择题
Which command do you use to go from the shell prompt to the CLI prompt?（）
A. run cli B. cli C. start cli D. edit
单项选择题 Which operating system do Juniper Networks MX Series routers use?（）
单项选择题 Which command will display the contents of the forwarding table?（）
单项选择题 Which command do you use to navigate to [edit interfaces]?（）
