单项选择题
A.Notify users impacted by the problem
B.Verify full system functionality
C.Document the actions and outcomes
D.Identify the scope of the problem
单项选择题 Adatacentermanagerwouldliketoensurethatallfiresuppressioninthedatacenterissafeforthe equipmentintheroom.Whichofthefollowingclassificationsshouldbelistedonthefire suppressionsystem？（）
单项选择题 Anadministratorhasencounteredanerrorwhilepatchingavirtualizedguestmachine.Whichof thefollowingtechnologieswouldallowtheadministratortorestoretoapre-patchedstatethe FASTEST？（）
单项选择题 Anadministratorhasexperiencedminorelectricalshockswhentouchingmetalsurfacesinthe data center.WhichofthefollowingistheMOSTlikelycause？（）