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IBM(000-237) 问题列表
问题 单选题As part of fallover testing of a corporate database server, client application connectivity must be  verified. Which of the following would best verify the application functionality?()A  Perform a ping client verification test.B  Review the number of active application processes.C  Perform successful reads and writes to the application.D  Run netstat -an to verify client connections to the listening ports.

问题 单选题Company.com has decided to implement the "Fast Disk Takeover" and "Disk Heart Beat"  features of HACMP. What IBM distribution media will be required for a default installation?()A  AIX media onlyB  HACMP media onlyC  AIX and HACMP mediaD  HACMP and Concurent Resource Manager media

问题 单选题What must be done to make a shared tape drive highly available?()A  Ensure the rmt numbers are unique per node.B  Nothing,because HACMP manages the state of the tape drive.C  Nothing,because highly available tape devices are not supported.D  Ensure that the tape device is in a defined state after system startup.

问题 单选题Company.com with a newly installed cluster has been checking the logfiles to determine if the  cluster has had any recent activity. The non-IP RS232 heartbeat connection seems to be having a difficulty. The serial network goes down,and then a couple of minutes later comes back up again. This pattern is repeated many times in the log.  If this system was installed without regard to best practices, what is the most likely problem with the serial network?()A  The serial port is malfunctioning and needs to be repaired.B  The baud rate is incorrectly specified in the AIX devices configuration.C  The serial port is not a port approved to support HACMP heartbeat traffic.D  The baud rate is incorrectly specified in the HACMP interface configuration.

问题 单选题During Company.com planning session,Company.com presents the details of the current  Network design. The network design serves four separate company facilities, each on as separate subnet. As part of a disaster recovery plan, the customer is evaluating the use of HACMP. Specifically, the have reviewed IPAT via IP aliasing and are questioning the number of IP subnets required.  Given the customer’s current configuration,what is the recommended minimum number of IP subnets that would be required?()A  4B  5C  6D  8

问题 单选题A two-node cluster provides NFS exports to a variety of UNIX clients. During fallover testing,it is determined that some clients are unable to mount the exported filesystems after fallover,and before node reintegration. It is verified that the filesystems belong to a resource group and are correct in /usr/es/sbin/cluster/etc/exports.  Which of the following may provide a possible solution to this problem?()A  Use HWAT for IPAT to provide more reliable NFS serving.B  Use AIX Fast Connect to provide more robust NFS serving.C  Use NFS Cross Mounting to allow both nodes to export NFS properly.D  Use the Filesystem Mounted before IP Configured flag to provide more predictable NFS serving.

问题 单选题During the initial cluster design,a disk heartbeat,Point-to-Point non-IP network is being planned  as part of a three-node cluster implementation. The disk environment will use LVM mirroring for disk redundancy. The volume groups will be created as Enhanced Concurrent Capable.  To facilitate disk heartbeating,how many disks per node and how many networks will be required?()A  One disk per node,one networkB  Two disks per node,one networkC  Two disks per node,six networksD  Two disks per node,three networks

问题 单选题While an electrician was adding additional circuits for the Data Center, the system running the Database inadvertently powered down. The fallover of the service IP labels and volume groups to the hot standby node completed as expected; however, the database did not start. The database log file indicated that the database was already started.  What is the most likely cause of this problem?()A  The shared logical volumes and filesystems did not have database permissions.B  There was a test instance running on the standby system that must be shutdown.C  The tablespaces had an indicator indicating that the database had not shutdown properly.D  The startup script for the highly available instance did not first perform cleanup operations.

问题 单选题Company.com recently updated the programs used in an HACMP pre-event. The procedure Involved coping the new code over the old code in the appropriate directory on one of the nodes as indicated by the HACMP event entry. The cluster was synchronized.  During a fallover test,the backup system did not behave as expected.What is the most likely problem?()A  The new pre-event program was node locked to a hostnameB  The new pre-event program was not made executable on al nodes.C  The new pre-event program was not compatible with the backup machine.D  The new pre-event program was not propagated to all the nodes in the cluster.

问题 单选题The IP subsystem fallover behavior of a two-node cluster is being testing in a large client  organization. One of the tests is to simulate a network_down event and verify that HACMP movesthe single resource group to the standby node.  What is the best way to simulate a network down condition?()A  Turn off the IP core switch connecting the two nodes.B  Issue the command stopsrc -g inetd on the node that has the resource group.C  Issue the command sh /etc/rc.tcpclean on the node that has the resource group.D  Simultaneously unplug all network cables from the node that has the resource group.

问题 单选题A step in the HACMP test plan is to gracefully stop the cluster on a node and to verify that the Shared resources fallover to the standby node. To prepare for this testing step, both nodes in the two-node cluster are in a stable state with the single resource group active on Node ’A’.  Which of the following is the best way to execute this portion of the test plan?()A  Execute lssrc -g cluster stop on Node ’A’B  Execute cat /etc//motd /dev/kmem on Node ’A’C  Execute /usr/es/sbin/cluster/utilities/sclstop -gr on Node ’A’D  Find the pid of cluster manager daemon on Node ’A’ and issue a kill-9 against the pid

问题 单选题While installing the equipment for a new two-node cluster, it is discovered that the disk subsystem  Rack has one connection to the power mains. The explanation given was that the disks are to be mirrored between the two disk drawers in the rack and that a failure in either of the disk drawers would simply result in half of the disk being lost.  What can be done to avoid a single point of failure?()A  Customize HACMP to overcome quorum issues.B  Add a second PDU to separate the power connections.C  Use RAID5 when implementing two IO racks in a HACMP environment.D  Add another shared disk to each volume group to avoid quorum issues during fallover.

问题 单选题A recommended PTF is released to resolve reliability issues with bos .net.tcp.server. A Maintenance windows has been scheduled to install the PTF on all nodes.  In order to complete the maintenance,what are the next logical steps to be completed after the install of the PTF on all nodes?()A  Test Ethernet fallover and bring all of the resource groups online.B  Upgrade the firmware on all Ethernet adapters and bring all of the resource groups online. C  Verify all necessary applications and resource groups are functioning properly and test ethernet fallover on all nodes.D  Verify all necessary applications and resource groups are functioning properly and bring all of the resource groups online.

问题 单选题An administrator mistakenly shutdown production after a fallover because the service IP address  Was shifted from the normal production node to the standby node.  What can be done to avoid this type of mistake in the future?()A  Include the service IP address in the administrator’s PS1 promptB  Alias the service IP address to the hostname in the /etc/host fileC  Define a persistent IP address with HACMP and make it a practice to use the persistent address for administration workD  Add a DNS entry to map the standby node name to the service IP address so telnet connections will be to the correct node

问题 单选题Company.com has a three-node cluster with six resource groups. There are two resource groups  for each node. A new hardware component will be added to one of the nodes. The customer wants to move the resource groups to other nodes,but not necessarily in the normal fallover order. Also,the resource groups must be moved at night when there is no one in the computer center. What can be done so that the resource group is moved at the most convenient normal fallover order. Also,the resource groups must be moved at night when there is no one in the computer center.  What can be done so that the resource group is moved at the most convenient time for the customer?()A  Create a custom resource group with a custom fallback timer to cause the system shutdown at he appropriate time.B  Set the system to stop with shutdown command at the appropriate time and allow HACMP to relocate the resources.C  Use a script that calls the cIRGmove command and place it in the cron or a queue to execute at the appropriate time.D  Change the existing resource groups to a custom type and add a timer to perform a shutdown -h command at the appropriate time.