The resource group configuration for a four node cluster is shown below：Which resource groups will be acquired by node N2 if it joins the cluster first？（）

单项选择题Anadministratorhasatwo-nodePowerHAclusterinamutualtakeoverconfiguration.Heneedstoupdatefrom5.5servicepack1to5.5servicepack2.Whichofthefollowingactionswillperformtheupdateswithnoriskofdisruptiontoapplicationsrunninginthecluster？（）

A.Unmanage resource groups on all nodes， update the cluster filesets， start cluster services on all nodes，ensure cluster services stabilize
B.Update the cluster filesets on all nodes. Run ’refresh -s clstrmgrES’ on one node， wait for the cluster tostabilize， repeat for all other nodes
C.Unmanage resource groups on one node， update the cluster filesets， start cluster services. Wait for thecluster to stabilize and repeat for all other nodes.
D.Bring resource groups （RGs） online on all nodes concurrently， bring RGs offline on one node， update thecluster filesets， bring RGs online， repeat for all other nodes

单项选择题Anadministratorhaswrittenascripttocheckthatthecontentsofanapplicationconfigurationfileareidenticalonallclusternodes.Thescripthasalsobeenassociatedwithauserdefinedcustomverificationmethod.Theadministratorwouldlikethecontentsofthisfiletobecheckedandverifiedautomaticallyonadailybasis.Howcanthisbeachieved？（）

A.By using a job scheduler such as cron
B.By enabling automatic cluster verification
C.By including the script name in the file /usr/es/sbin/cluster/etc/clverify.rc
D.By including the custom method name in the file /usr/es/sbin/cluster/etc/rc.authomethods

单项选择题Inwhichfilecantheadministratorviewthedetailedresultsoftheovernightclusterautomaticverification？（）

A.clutils.log
B.cluster.log
C.clverify.log
D.autoverify.log

单项选择题Whichofthefollowingcommandswilldisplayasnapshotofclusterstatus，includingdetailsofcurrentnetworkstatusandresourcegroupfallover fallbackpolicies？（）

A.cldump
B.cllssvcs
C.clshowres
D.clstat -o

单项选择题AnactivePowerHAclusterwasshutdownfromC-SPOCwiththe UnmanageResourceGroups option.Aftertheoperationsuccessfullycompletes，whatistheinternalstateoftheclustermanagerasshownbythelssrc-lsclstrmgrEScommand？（）

A.ST_STABLE
B.ST_BARRIER
C.ST_CBARRIER
D.ST_UNMANAGED