An administrator will be performing a PowerHA upgrade on a cluster from version 5.3 to version 5.5. Which ofthe following tasks will verify a successful migration？（）

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

单项选择题A customer wants to configure two resource groups and create the following shared filesystem structure：Resource GroupFilsystem Mount Point Rg1 app1 Rg2 app1 data Which of the following will ensure the proper mount order for these filesystems？（）

A.Set filesystem recovery method to parallel
B.Set filesystem recovery method to sequential
C.Set filesystem recovery method to parallel and configure a parent/child relationship for the resourcegroups
D.Set filesystem recovery method to sequential and configure a parent/child relationship for the resourcegroups

单项选择题WhichofthefollowingisarequirementforconfiguringaserviceIPaddressusingIPATviaReplacement？（）

A.The service IP must be in the same logical subnet as all boot IP addresses
B.The service IP must be in a different logical subnet to all boot IP addresses
C.The service IP must be in the same logical subnet as the persistent IP addresses
D.The service IP must be in the same logical subnet as one of the boot IP addresses

单项选择题AnadministratorwishestoimplementhighlyavailbleNFSexportswithinaPowerHA5.3cluster.HowwilltheadministratorspecifythattheseshouldbeexportedasNFSversion4？（）

A.Add the exports to the /etc/exports file specifying NFS version 4 as an export option
B.Install cluster.es.nfs fileset and add the exports to the resource group configuration
C.Add the exports to the /usr/es/sbin/cluster/etc/exports file and specify NFS version 4 as an export option
D.Upgrade the cluster to PowerHA 5.4.1， install the cluster.es.nfs fileset and add the exports to the resourcegroup configuration