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