[单项选择] An administrator notices that some of their systems are reporting a number in the eferred Level?column on the HMC pdates?panel. WhatAn administrator notices that some of their systems are reporting a number in the ?eferred Level?column on the HMC ?pdates?panel. What is the meaning of the eferred Level?is the meaning of the ?eferred Level?（）
A. The number denotes the firmware level which will be activated when AIX is next rebooted.
B. The number denotes the firmware level which will be activated when all LPARs are next started.
C. The number denotes the firmware level which will be activated when the managed system is next restarted.
D. The number denotes how many days have elapsed since the firmware was installed without the LPARs being reactivated.

[单项选择]A system administrator notices that one of the mirrored disks, hdisk7 on datavg, has had a hardware failure. What is the best method of recover without causing additional problems?（）
A. unmirrorvg datavg hdisk7 reducevg datavg hdisk7 replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg hdisk7
B. varyoffvg datavg Rmdev -l hdisk7 -d Replace the physical volu,e run cfgmgr The system will automatically remirror when the disk is replaced
C. unmirrorvg datavg hdisk7 rmdev -l hdisk7 - d replace the physical volume, run cfgmgr extendvg datavg hdisk7 The system will automatically remirror when the disk is replaced.
D. unmirrorvg datavg hdisk7 reducevg data hdisk7 rmdev -l hdisk7 -d replace the physical volume, run cfgmgr extendvg datavg hdisk7 mirrovg datavg

[单项选择]The system administrator notices that there is an I/O bottleneck on one of three disks in datavg volume group. This problem disk contains the JFS log， loglv00 and one filesystem， /mydatabase.  There are no other logical volumes on this disk.  Which of the following options would be the best solution？（）
A.  Increase the size of the JFS log logical volume so more transacations can be written to this log.
B.  Create a second， additional JFS log and have the /mydatabase logical volume point to both JFS logs.
C.  Migrate the JFS log device to another physical disk in the same volume group.
D.  Only one JFS log device for each volume group can be used.  Use the migratepv command to move the JFS log device to an empty disk in another volume group.

[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]An operator notices that a job on the system is causing poor performance. The job is a root process and the administrator has concluded it is not important and can be stopped. Shortly after stopping the process, it starts again. Which of the following commands will list repeating scheduled tasks?（）
A. at -l
B. jobs -l
C. sched -l
D. crontab -l

[多项选择]An Administrator notices a decrease in the performance of his site.  This is directly related to an increase in usage.  After further investigation he notices that users appear to be pooling up in the web server.  Which of the following would cause this to occur？（）
A. The web Server ThreadsPerChild directive could be set too low.
B. The Web Container Thread Pool Minimum Size could be set too high.
C. The Web Container Thread Pool Maximum Size could be set too high.
D. The growable thread pool setting could be disabled for the Web Container.

[单项选择]An administrator notices that every time a particular server is restarted it requires a password in order for the server to begin the start up process. Which of the following is the reason this is happening？（）
A. The server needs to have the password service verified and reconfigured.
B. The server administrator has set a password policy in Group Policy.
C. The server has the BIOS setting configured incorrectly.
D. The server is set with a boot password before accessing the OS

[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.

[单项选择] An  administrator  notices  the  /  filesystem  is  98%  full.   Which  of  the  following  files  commonly  grow  rapidly（）
A. /var/adm/wtmp
B. /etc/security/failedlogin
C. /smit.script
D. /proc

[单项选择] After mirroring rootvg, a system administrator wantsto validate that the system will boot correctly. Which of the following tasks must be performed before changing the boot order?（）
A. Run a bosboot -a command
B. Mirror the hd5 on the two disks
C. Set up another service mode bootlist
D. Check the disks using a lsvg -p rootvg command

[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 detects thousands of open idle connections from the same source.Which problem can arise from this type of attack?（）
A. It enables an attacker to perform an IP sweep of devices.
B. It enables a hacker to know which operating system the system is running.
C. It can overflow the session table to its limit, which can result in rejection of legitimate traffic.
D. It creates a ping of death and can cause the entire network to be infected with a virus.

[单项选择]The system administrator has requested that all setuid/setgid bits be removed from executables in application filesystem. Which command will achieve this?（）
A. chmod -R o-s /application
B. chmod -R ug-s /application
C. chmod -R -s -o /application
D. chmod -R -s -ug /application

[单项选择]A system administrator has an existing mksysb image, but would like to modify the image.data file on the mksysb before installing it on a system. Which of the following procedures is most appropriate to perform?（）
A. Create a new image.data file and recreate the mksysb image.
B. Use the dd command to replace the image.data file on the mksysb tape.
C. Use the tctl command to palce the new image.data file on the mksysb tape.
D. Place the new image.data file on a diskette that will be road during the installation of the mksysb.

[单项选择]A system administrator has disabled USB ports after experiencing several virus outbreaks. A user needs to transfer several extremely large work related files from their home desktop computer to their work desktop computer. Which of the following will allow the user to transfer the needed files?（）
A. An IEEE-1394 device
B. A NIC device
C. An IrDA device
D. A FDD device