[单项选择]A system administrator needs to backup datavg which contains a database that pre-allocates files by padding them with nulls, similar to treating them as sparse files. In order to effectively backup and be able to restore the datavg files, which backup method should be used?（）
A. savevg
B. tar
C. cpio
D. mksysb

[单项选择]A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?（）
A. The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.
B. This backup will be bootable and the volume group and all jfs logical volumes will be recreated.
C. This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.
D. The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.

[单项选择] A System p administrator needs to set the default password length for all users to six characters.  Which of the following files needs to be edited to accomplish this （）
A. /etc/security/limits
B. /etc/security/mkuser.sys
C. /etc/security/priv
D. /etc/security/user

[单项选择] A system administrator needs to maintain 1.2TB of storage for a database server. There are six250GB drives available in the server for storage space.  Which of the following RAID configurations would be the BEST choice given that performance and fault tolerance are important factors？（）
A.  RAID 1 across drive pairs totaling 3 pairs
B.  RAID 5 across all 6 drives
C.  RAID 10 across all 6 drives
D.  RAID 0 across all 6 drives

[单项选择]A system administrator needs to maintain 1.2TB of storage for a database server. There are six 250GB drives available in the server for storage space. Which of the following RAID configurations would be the BEST choice given that performance and fault tolerance are important factors?（）
A. RAID 1 across drive pairs totaling 3 pairs
B. RAID 5 across all 6 drives
C. RAID 10 across all 6 drives
D. RAID 0 across all 6 drives

[单项选择]A system administrator needs to upgrade the Oracle database from Version 7 to Version 8.  Which of the following scheduling concerns should be considered?（）
A. Schedule enough down time to backup, upgrade and reboot. 
B. Backup, upgrade, then schedule enough down time to reboot the system.
C. Backup, then schedule enough down time to upgrade and reboot the system. 
D. There are no scheduling concerns because no down time is required.

[单项选择]A System Administrator needs to determine if the system has the latest version of perfmgr and if the filesets copied to the /tmp directory are the latest. Which of the following command sequences would be required to accomplish this？（）
A.  lslpp -l perfmgr.* ； cd /tmp ； installp -ld
B.  smitty list_software ； oslevel -g
C.  smitty list_software ； lslpp -f perfmgr*
D.  cd /usr/sys/install.images ； ls -la ； cd /tmp ； ls -la

[单项选择] The system administrator is making system wide changes to a server, which will add to the PATH variable for the server environment. Where is the PATH variable found for the system?（）
A. /profile
B. /etc/envpath
C. /etc/profile
D. /etc/environment

[单项选择] A system administrator has just migrated a system from AIX V.4 x to Aix V5.x. The system is up and running and appears to be functioning properly. The following error message was received when running lppchk -v bos.rte V =4 R is >4 bos.rte V>5 bos.rte not installed. 5.1.0 lslpp -l | grep bos.rte shows 5.1.0 Which of the following options is the most likely solution to this problem?（）
A. bos.rte is corrupted and needs to be reinstalled.
B. The system administration needs to reboot the system.
C. The /root part of bos.rte was installed but not the user part. Reinstall the missing software.
D. The update CD needs to be applied with the smitty update_all command.

[单项选择]A system administrator was able to boot a system from the AIX installation CDROM. The migration install was selected, but the process hung at 92% complete. The system administrator then rebooted the system, which subsequently hung at LED 552. Which of the following options is the most probable cause?（）
A. The ODM is corrupted.
B. There is a hardware failure.
C. The bosboot command failed.
D. Not enough space is available in the filesystems.

[单项选择]When an administrator is troubleshooting a system, which of the following describes the NEXT course of action if a change does not solve the problem?（）
A. Establish a new theory of probable cause.
B. Reverse the change.
C. Implement the next logical change.
D. Perform a root cause analysis.