Which of the following commands will display any user defined verification methods？（）

单项选择题Whichcommandverifiesboththeclustertopologyandresourceconfiguration？（）

A.cldare -r
B.clsync -rt
C.clverify -r
D.clverify -t

单项选择题An administrator is beginning a set of failover tests. The administrator would like to have clean log files foreach test. Which command will achieve this？（）

A.clcycle
B.clrefresh
C.cllogcycle
D.cllogrotate

单项选择题Acustomerneedstotestthefailovercapabilitiesoftheircluster.WhichofthefollowingAIXcommands，whenissuedfromthecommandline，willsimulateanodecrashandcausetheclusterresourcegrouprunningonthatservertofailovertoanothernode？（）

A.clstop
B.halt -q
C.shutdown -F
D.stopsrc -s cluster

单项选择题AnadministratorplanstoapplyafixpacktothePowerHAsoftwareusingarollingmigration.Atwhatstageofthemigrationisaclusterverificationsupported？（）

A.Individually before each node is upgraded
B.Individually before and after each node is upgraded
C.Individually after each node has been upgraded
D.Collectively after all nodes have been upgraded

单项选择题AnadministratorwillbeperformingaPowerHAupgradeonaclusterfromversion5.3toversion5.5.Whichofthefollowingtaskswillverifyasuccessfulmigration？（）

A.Use the clstat command and verify the cluster is in a stable state
B.After each node is upgraded， run a verification and synchronization
C.After all nodes are upgraded， run a verification and synchronization
D.Take a snapshot of each node and verify the configuration is the same