单选题An administrator has a 2 node cluster running PowerHA version 5.5. They remove a resource group from theactive cluster configuration. When performing a verify and synchronize of the cluster， the administrator getsthe following error： "migcheck[471]： cl

第1题：

An administrator has a 2 node cluster running PowerHA version 5.5. They remove a resource group from theactive cluster configuration. When performing a verify and synchronize of the cluster， the administrator getsthe following error： "migcheck[471]： cl_connect（） error， nodename=Node1， rc=-1 cldare： A communication error prevents obtaining the VRMF from remote nodes. A DARE event cannot be run until this is corrected. Please ensureclcomd is running." What is the most likely cause of this error？（）

• A、There is a DARE lock in place
• B、A PowerHA migration is in progress
• C、Cluster services is not active on the other node
• D、The other cluster node is running a different version of RSCT

第2题：

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？（）

• 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

第3题：

During a resource group takeover operation， the resource group was found to go into error state. A tail of thehacmp.out file released the following message： Aug 3 12：57：20 EVENT FAILED:// -1： event_error 1 TE_RG_MOVE -1 WARNING:// Cluster PowerHA has beenrunning recovery program ’/usr/es/sbin/cluster/events/rg_move.rp’ for 360 seconds. Please check clusterstatus. What command can the administrator issue to cause the cluster to continue processing？（）

• A、clruncmd
• B、clrestart
• C、clcontinue
• D、clresactive

第4题：

An administrator wishes to implement highly availble NFS exports within a PowerHA 5.3 cluster. How will theadministrator specify that these should be exported as NFS version 4？（）

• 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

第5题：

An administrator has integrated a new application into an existing resource group. An application server withstart and stop scripts was defined and added to the resource group definition. The cluster was thensynchronized. How can the new application be started with minimal downtime？（）

• A、The administrator will need to perform an rg_move operation
• B、The administrator will need to un-manage and re-manage the resource group
• C、The administrator will need to execute the new start script from the command line
• D、The new start script will be executed as part of the DARE operation to synchronize the cluster

第6题：

A new administrator is performing fallover testing on a two-node cluster and is concerned that the cascading resource group belonging to Node ’A’ did not reintegrate properly after the cluster was restarted on Node ’A’. A stable cluster is reported by clstat，and clRGinfo reports the resource group online on Node ’B’.  What type of configuration would cause this type of behavior？（）  

• A、 The resource group DNP has been configured.
• B、 The resource group option CWOF has been enabled.
• C、 The resource group option Inactive Takeover is set.
• D、 A resource group fallback timer has been configured.

第7题：

An administrator has made several topology and resource group changes on one node in a running cluster.During verification and synchronization， using the "Emulate" option， many errors are reported. Theadministrator decided the best course of action was to roll back the changes. Prior to the changes beingmade， a cluster snapshot was taken. Which of the following actions will roll back the changes with the least disruption？（）

• A、Perform a synchronization from a node without the changes.
• B、Apply the cluster snapshot on both nodes while the cluster is running.
• C、"Restore HACMP Configuration Database from Active Configuration" on the node where the changes weremade
• D、Stop the cluster using the option "Unmanage Resource Groups" and apply the cluster snapshot on thenode where the changes were made

第8题：

A customer wants to migrate their existing cluster onto new POWER6 hardware， and in addition requires thecluster to be migrated from PowerHA version 5.3 to 5.5. Given that AIX 6.1 and PowerHA 5.5 filesets arealready installed in the new hardware， which of the following methods would allow the customer to maintaintheir current cluster configuration？（）

• 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

第9题：

An administrator has a two node cluster， Node1 and Node2， running resource group rg1. The resource groupis active on Node1. The administrator stopped cluster services and unmanaged the resource group on Node1to work on a problem. Now the administrator needs to move rg1 to Node2. Which of the following will achievethis？（）

• A、Perform a clstart on Node1 with ’Manage Resource Groups’ set to ’Manually’ and select the destination ofNode2
• B、Perform a resource group move operation from Node1 to Node2 and select the option to ’Re-manageResource Groups’ set to ’Automatically’
• C、Perform a clstop on Node1 with option to move resource groups， this will release the resource group fromNode1 and accquire the resource group on Node2.
• D、Perform a clstart on Node1 with ’Manage Resource Groups’ set to ’Automatically’， then perform a resourcegroup move operation to move rg1 from Node1 to Node2

第10题：

An administrator has a two-node PowerHA cluster in a mutual takeover configuration. He needs to updatefrom 5.5 service pack 1 to 5.5 service pack 2. Which of the following actions will perform the updates with norisk of disruption to applications running in the cluster？（）

• 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