Company.com moved their application start routines from the inittab and place them under HACMP control. During testing，the applications did not always start as desired. 
What is the best practice for the application start routines.（）  

单项选择题Due to a recent change in government regulations， Company.com needs to create two  independent but synchronized copies of their data. These copies must be contained in separate storage device a minimum of 100 km apart. The customer has capacity in two systems that meet the criteria， one with SSA disk and the other is FAStT.  What facility can be used to manage this issue？（）

A. Two independent copies of the data can be created and synchronized using the "HACMP/XD：HAGeo"
B. The existing disks can be incorporated a single storage unit using the optional product "HACMP/XD：PPRC"
C. AIX can create a mirrored logical volume across the two systems that would be accessible from either system
D. AIX can use the multi path IO subsystem to spread the information across the devices and keep the copies separated

单项选择题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 prompt
B. Alias the service IP address to the hostname in the /etc/host file
C. Define a persistent IP address with HACMP and make it a practice to use the persistent address for administration work
D. Add a DNS entry to map the standby node name to the service IP address so telnet connections will be to the correct node

单项选择题Onanexistingtwo-nodecluster，thesystemisconfiguredwithRAID5SSAastheshareddisk.Whenaddinganewnodetothecluster，whatmustbetakenintoconsideration？（）

A. Nothing，SSA can support a maximum of 8 initiators per loop.
B. The RAID5 implementation on SSA will only support two initiators per loop.
C. SSA can only support four initiators per lop when using the fat write option.
D. The RAID implementation can be used with three initiators only if the fast write cache option is used on all adapters.

单项选择题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.

单项选择题WhichofthefollowingstatementsistrueaboutIPATviaIPreplacement？（）

A. Configuration of Hardware Address Takeover is supported.
B. Fewer physical network interface cards are required in the cluster.
C. It is the default for keeping a service IP labels highly available.
D. None-service ip labels must use different subnets than service IP labels.