单项选择题
Which word starts the command to remove configuration elements on a Junos device?（）
A. undo B. remove C. delete D. unset
单项选择题 Which word starts a command to add configuration on a Junos device?（）
单项选择题 For the interface ge-1/2/3.4, what does the "ge" represent?（）
单项选择题 The IP address 192.168.100.1 belongs to which class of IP address space?（）
