单项选择题
A.clcycle
B.clrefresh
C.cllogcycle
D.cllogrotate
单项选择题 Acustomerneedstotestthefailovercapabilitiesoftheircluster.WhichofthefollowingAIXcommands，whenissuedfromthecommandline，willsimulateanodecrashandcausetheclusterresourcegrouprunningonthatservertofailovertoanothernode？（）
单项选择题 AnadministratorplanstoapplyafixpacktothePowerHAsoftwareusingarollingmigration.Atwhatstageofthemigrationisaclusterverificationsupported？（）
单项选择题 AnadministratorwillbeperformingaPowerHAupgradeonaclusterfromversion5.3toversion5.5.Whichofthefollowingtaskswillverifyasuccessfulmigration？（）