单项选择题
A.rgC、rgE
B.rgC、rgD
C.rgE、rgB、rgD
D.rgC、rgD、rgE
单项选择题 Anadministratorhasatwo-nodePowerHAclusterinamutualtakeoverconfiguration.Heneedstoupdatefrom5.5servicepack1to5.5servicepack2.Whichofthefollowingactionswillperformtheupdateswithnoriskofdisruptiontoapplicationsrunninginthecluster？（）
单项选择题 Anadministratorhaswrittenascripttocheckthatthecontentsofanapplicationconfigurationfileareidenticalonallclusternodes.Thescripthasalsobeenassociatedwithauserdefinedcustomverificationmethod.Theadministratorwouldlikethecontentsofthisfiletobecheckedandverifiedautomaticallyonadailybasis.Howcanthisbeachieved？（）
单项选择题 Inwhichfilecantheadministratorviewthedetailedresultsoftheovernightclusterautomaticverification？（）