Anadministratorisnotifiedthataresourcegrouphasfailedoverfromthehomenode，Node1toastandbynode，Node2andthatNode1hasbeenpoweredoff.UponrestartingNode1theadministratorcheckstheAIXerrorlogandthecluster.logWhichofthefollowingisthemostlikelycauseofthefailureofNode1？（）A.TheoperatingsystemcrashedB.AdiskfailureforcedavolumegroupofflineC.TheSystemResourceControllerexecutedasystemhaltD.ThetopologyservicesdaemonhascrashedduetoanODMmismatch
Anadministratorisnotifiedthataresourcegrouphasfailedoverfromthehomenode，Node1toastandbynode，Node2andthatNode1hasbeenpoweredoff.UponrestartingNode1theadministratorcheckstheAIXerrorlogandthecluster.logWhichofthefollowingisthemostlikelycauseofthefailureofNode1？（）
A.Theoperatingsystemcrashed
B.Adiskfailureforcedavolumegroupoffline
C.TheSystemResourceControllerexecutedasystemhalt
D.ThetopologyservicesdaemonhascrashedduetoanODMmismatch