Identifythreereasonsthatexplainwhyassigningmorethanonemanagedserveachievebetterperformancethanrunningonemanagedserverwithmoreresources？（）

A.ThreadmanagementinsidetheJVMprocessmightbelesseffectivethancontextswitchingbetweenprocessesontheOSlevel.Itisbettertocombineboththesetechnologiestoachievefullsaturationofresources. B.CurrentCPUsaremulticoreunits.Sostartingmanagedserversintheamountofphysicalcoresandpinningthem1:1tocoreswillalwaysgetthebestperformance. C.ByacombinationofprioritizationofprocessesontheOSlevelandWorkManagerinWLS,onecouldtunethewholeenvironmentmoreprecisely. D.Assigningmorethanonemanagedservertohardwarewillneverbringbetterperformance. E.Moreinstancesmeansmoreconnectionstodatabases,soonecouldservemoreconcurrent callsonthedatabaselevel.Thisisprimarilywhythisapproachwillgivebetterperformancenumbers. F.Dependingontheprofileoftheapplication,havingmoreJVMswithsmallerheapswillleadtomorepredictableresponsetimesthanfewerJVMswithalargeheap.