单项选择题
Which command is used to show active alarms on a Juniper device?（）
A.file list alarm B.show chassis alarms C.show chassis state D.show hardware alarms
单项选择题 Which command is used to retrieve the serial numbers of a Juniper device?（）
单项选择题 What is used to view status messages sent to a file named "test" as they are sent?（）
多项选择题 Which three SONET network elements are used for troubleshooting?（）
