单项选择题
After editing to your device’s configuration, which command must you enter to activate the configuration changes?（）
A. set B. copy candidate active C. apply-config D. commit
单项选择题 Which word starts the command to remove configuration elements on a Junos device?（）
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?（）
