单项选择题
Which command will allow you to quickly determine the administrative status of all interfaces on a Junos device?（）
A. show interfaces status B. show interfaces summary C. show interfaces terse D. show interfaces admin
单项选择题 Which statemetn is true regarding the Network Time Protocol (NTP) on Junos devices?（）
单项选择题 Which CLI command do you use to determine which files are cleanup candidates?（）
单项选择题 Which CLI mode allows you to make configuration changes?（）
