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？（）
Turn off the IP core switch connecting the two nodes.
Issue the command stopsrc -g inetd on the node that has the resource group.
Issue the command sh /etc/rc.tcpclean on the node that has the resource group.
Simultaneously unplug all network cables from the node that has the resource group.
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？（）
Use HWAT for IPAT to provide more reliable NFS serving.
Use AIX Fast Connect to provide more robust NFS serving.
Use NFS Cross Mounting to allow both nodes to export NFS properly.
Use the Filesystem Mounted before IP Configured flag to provide more predictable NFS serving.
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？（）
One disk per node，one network
Two disks per node，one network
Two disks per node，six networks
Two disks per node，three networks
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？（）
The shared logical volumes and filesystems did not have database permissions.
There was a test instance running on the standby system that must be shutdown.
The tablespaces had an indicator indicating that the database had not shutdown properly.
The startup script for the highly available instance did not first perform cleanup operations.
单选题
What must be done to make a shared tape drive highly available？（）
Ensure the rmt numbers are unique per node.
Nothing，because HACMP manages the state of the tape drive.
Nothing，because highly available tape devices are not supported.
Ensure that the tape device is in a defined state after system startup.
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？（）
The serial port is malfunctioning and needs to be repaired.
The baud rate is incorrectly specified in the AIX devices configuration.
The serial port is not a port approved to support HACMP heartbeat traffic.
The baud rate is incorrectly specified in the HACMP interface configuration.
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？（）
Perform a ping client verification test.
Review the number of active application processes.
Perform successful reads and writes to the application.
Run netstat -an to verify client connections to the listening ports.
单选题
In order to eliminate single points of failure before installing HACMP， the rootvg should be mirrored. What command needs to be performed in order to verify the rootvg is mirrored and syncd？（）
lslv -M hd5
lspv rootvg
lsvg -I rootvg
bootlist -m normal hdisk#
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？（）
AIX media only
HACMP media only
AIX and HACMP media
HACMP and Concurent Resource Manager media
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