多项选择题
A.Layer 1 status
B.Output queue drops
C.Interface CPU utilization
D.Cable type connected to interface
E.Layer 2 status
F.Input queue drops
单项选择题 Whichofthefollowingcommandswilldisplayarouter’scryptomapIPsecsecurityassociationsettings？（）
单项选择题 Whichofthefollowingisnotacharacteristicoffastswitching？（）
单项选择题 Whichofthefollowingcommandswillrestoreapreviouslyarchivedconfigurationbyreplacingtherunningconfigurationwiththearchivedconfiguration？（）