If a system administrator wants to show only a disk report for disk2, at two second intervals, what is the correct command to run?（）

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• A system administrator thinks that a filesystem may be full and that is what caused the machine to crash. Which command will show the administrator if they are correct?（）

  A .  du  B .  df  C .  fsck  D .  ncheck

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• How would a system administrator review root’s current cron jobs of the following？（）

  A . crontab -l B . cron -l root C . lscron -l root D . cat /var/cron/crontabs/root

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• An administrator plans to use bootable AIX media to boot a system into maintenance mode. The system is running AIX 5.3 TL09 with a64-bit kernel.The administrator has a selection of media available. Which media should the administrator use?（）

  A . AnyAIXbootablemedia，providingitisa64-bitvariant B . AnyAIXbootablemedia，providingitisAIX5.1orlater C . AnyAIX5.3bootablemedia，providingitisTL09orlater D . AnyAIX6.1bootablemedia，providingitisTL02orlater

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• How can the system administrator determine if a system is running in 32-bit or 64-bit mode？（）

  A . Use ’prtconf -c’ to see if the system is 64-bit enabled B . Check the /etc/inittab to see if /etc/method/cfg64 is enabled C . Use the ls -al to see if /unix is linked to /usr/lib/boot/unix_64 D . Use the lslpp command to see if the bos.mp64 fileset is installed

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• A system administrator wants to perform some system maintenance. The AIX installation CD is in the CDROM drive， however the system will not boot from the CD. Which command will assist in determining if the CDROM drive is currently a bootable device？（）

  A . lscfg -l cd0 -v B . bootlist -m service -o C . bosboot -a -d /dev/cd0 D . chdev -l cd0 -a boot=ye

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• A system administrator has been asked to document the hardware configuration of a system. Which command can be used to assist in this task？（）

  A . lscfg B . mkdev C . lslpp D . cfgmgr

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• Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）

  A . Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload. B . R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed. C . R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state. D . All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.

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• After adding a new Ethernet card to a system and rebooting， the system administrator notices the card was not configured. How can the system administrator determine if there were errors during the configuration process for the card？（）

  A . Examine the bootlog with the command： alog -o -f /var/adm/ras/bootlog B . Display the device attributes and errors with the command： lsdev -C -l ent0 C . Examine the AIX errlog for configuration method errors with the command： errpt -a -C ent0 D . Examine the ODM for configuration errors with the command： odmget -q "method_errors" ent0

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• A System p administrator needs to upgrade a system from AIX 5.2 to AIX 5.3.  Which of the following installation methods would minimize downtime（）

  A . Migration installation B . Partition Mobility C . alt_disk_install D . update_all smit fastpath and reboot during the next scheduled outage

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• A System p administrator plans to install a new system with AIX 5.3 TL5 using a NIM server.  Which of the following provide post install diagnostics（）

  A . SPOT B . lpp_source C . mksysb D . install CD

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• How can a system administrator determine if a system is running in 32-bit or 64-bit mode（）

  A . Use the Is -al to see if/unix is linked to /usr/lib/boot/unix_64 B . Check the /etc/inittab to see if there is a load64bit entry C . Use ’prtconf -c1 to see if the system is 64-bit enabled D . Use the Islpp command to see if the bos.mp64 fileset is installed

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• A system administrator has filesystems that should not be mounted during system startup. How can the system administrator prevent the /data filesystem from being mounted during subsequent boots？（）

  A . mount -no /data B . chfs -A no /data C . mount -t nfs /data D . chfs -a type=nfs /data

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• A System p administrator wishes to create a template file to monitor performance. Having found a template from January，  how can the administrator create a July template without destroying the original January version （）

  A . vi jan.template ：%s/Jan/Jul/g ：w jul.template ：q! B . cat jan.template sed s：Jan：Jul： > jan.template C . vi jan.template ：1，$ replace Jan Jul [Esc] ZZ D . vi jan.template ：w jul.template ：1，$ s/Jan/Jul/g ：q!

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• A system administrator needs to configure dump devices for the system. Which command would be used to estimate the size required for a dump device？（）

  A . lsdev B . chdev C . sysdumpdev D . sysdumpstart

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• A system administrator would like to set a system to reboot after a crash.  What is the best way to do this？（）

  A .  smit chgsys B .  bosboot C .  smit dump D .  bootlist -r

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• The system administrator mirrored the rootvg from hdisk0 to hdisk1 and needs to ensure the system would boot from hdisk1 if hdisk0 failed. Which of the following commands would be used to accomplish this？（）

  A . bootlist -mo normal hdisk1 B . bootlist -m normal hdisk0 hdisk1 C . bootlist -m service hdisk0 hdisk1 D . bosboot -m normal hdisk0 hdisk1 -i

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• Which of the following commands should an AIX system administrator invoke to check if the required device-dependent software is missing？（）

  A . dbx B . cfgmgr C . telinit q D . lsdev -Cc adapter

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• Which command should an administrator use to put a system in maintenance mode without rebooting？（）  

  A . init 0 B . telinit m C . shutdown -FM D . sh /etc/rc.maint

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• A system administrator is considering enabling the 64-bit kernel but first must determine if the system hardware will support 64-bit. How would this be accomplished in AIX 5L？（）

  A . prtconf -c B . lscfg -v sys0 C . Check the /unix link D . Check for JFS2 filesystem

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• A system administrator issued the errpt command and had no results. The system administrator determined that error logging was turned off. Which of the following commands should be used to start logging system errors？（）

  A . /usr/bin/errmsg B . /usr/lib/errdemon C . /usr/lib/errlogger D . /usr/bin/errinstall

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• A System p administrator has created a customized security profile using AIX Security Expert.  Which of the following commands will apply this to a system（）

  A . aixpert -f mysec.xml B . aixpert -a mysec.xml C . chsec -f mysec.xml D . chsec -a mysec.xml

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• A system administrator wants to configure a system so that all new users will be put into the database group by default. How would this be accomplished？（）

  A . remove all other groups from the system B . run the command mkuser -default "GROUP=database" C . change the default group in /usr/lib/security/mkuser.default D . edit /etc/security/group to move all users to the database stanza

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• publicvoidfoo（booleana，booleanb）{if（a）{System.out.println（A”）；}elseif（a&&b）{System.out.println（A&&B”）；}else{17.if（!b）{System.out.println（notB”）；}else{System.out.println（ELSE”）；}}}Whatiscorrect？（）

  A．Ifaistrueandbistruethentheoutputis“A&&B”. B．Ifaistrueandbisfalsethentheoutputis“notB”. C．Ifaisfalseandbistruethentheoutputis“ELSE”. D．Ifaisfalseandbisfalsethentheoutputis“ELSE”.

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• Espen is a Linux systems administrator.She has recently received new responsibilities,

  A．/etc/shadow B．/usr/sbin C．/etc/skell D．/etc/profile

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