单项选择题
Which command prompt indicates that you are in operational mode?（）
A. user@router& B. user@router# C. user@router% D. user@router>
单项选择题 Which word starts a command to display the operational status of a Junos device?（）
单项选择题 For the interface ge-1/2/3.4, what does "ge" represent?（）
单项选择题 The IP address 10.1.1.1 belongs to which class of IP address space?（）
