单项选择题
Which account is used to access a Junos device in factory-default configuration?（）
A. root B. admin C. juniper D. user
单项选择题 Which command do you use to go from the shell prompt to the CLI prompt?（）
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?（）
