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？（）

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

单项选择题AcustomerwantstomigratetheirexistingclusterontonewPOWER6hardware，andinadditionrequirestheclustertobemigratedfromPowerHAversion5.3to5.5.GiventhatAIX6.1andPowerHA5.5filesetsarealreadyinstalledinthenewhardware，whichofthefollowingmethodswouldallowthecustomertomaintaintheircurrentclusterconfiguration？（）

A.Add the new nodes to the existing cluster， and perform a rolling migration and remove the original nodesfrom the cluster
B.Add the new nodes to the existing cluster， and perform a non-disruptive upgrade and remove the originalnodes from the cluster.
C.Create a snapshot of the existing cluster and apply the snapshot to the new cluster. Start cluster serviceson the new cluster and stop the original cluster
D.Create a snapshot of the existing cluster and apply the snapshot to the new cluster. Stop cluster serviceson the original cluster and start on the new cluster

单项选择题Anadministratorhasalegacyclusterrunningversion4.5 ESandwouldliketoupdatetoversion5.5.Whichofthefollowingisavalidupgradepath？（）

A.1. Upgrade from 4.5 to 5.12. Upgrade from 5.1 to 5.5
B.1. Upgrade from 4.5 to 5.22. Upgrade from 5.2 to 5.5
C.1. Upgrade from 4.5 to 5.32. Upgrade from 5.3 to 5.5
D.1. Upgrade from 4.5 to 5.4.12. Upgrade from 5.4.1 to 5.5