问题:单选题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 -cB lscfg -v sys0C Check the /unix linkD Check for JFS2 filesystems
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问题:单选题The /systest filesystem is associated with the /dev/testlv logical volume on the testvg volume group. The testvg volume group is assigned to physical volumes hdisk2 and hdisk3. Which command can the system administrator use to determine if the /systest filesystem is mirrored?()A dfB lslvC lsfsD lsdev
问题:单选题A system administrator used the savevg command to back up the testvg each night. There is now a requirement to exclude the /test/static filesystem from the backup. How can this be accomplished?()A Use the -X flag on the savevg commandB Put an entry in the /etc/exclude.testvg fileC Remove the /test/static entries from the /vgdata/testvg.data fileD Use the touch command to create /test/static/.exclude before using savevg
问题:单选题A system administrator was asked to log information on possible security breaches on a server. Which file should additional entries be added to capture this information?()A /var/adm/sulogB /etc/syslog.confC /etc/security/sysck.cfgD /etc/security/login.cfg
问题:单选题Because of performance problems, space needs to be added to a paging space named paging01 on hdisk1. The physical partition size of hdisk1 is 4MB. Which command will increase the size of paging01 by 100MB?()A swapon -a paging01 25B mkps -a 25 paging01C extendlv -a paging01 25D chps -a 25 paging01
问题:单选题Which of the following commands will remove the hardware definition of the tape drive rmt0 from a system?()A rm /dev/rmt0B rmdel -s rmt0C rmdev -dl rmt0D tctl -f /dev/rmt0 erase
问题:单选题In order to upgrade from AIX Version 4.3 to AIX Version 5.2, which of the following actions should be performed?()A Run smit update_allB Run smit install_allC Boot from the installation mediaD Run update_all from the mounted CD
问题:单选题A user with the userid of ’joe’ is unable to rsh from SYSTEMA to SYSTEMB without having to retype their password, but they can rsh from SYSTEMB to SYSTEMA. No other users are experiencing the same issue.Both systems have a /home/joe/.rhosts file that contain the proper references to the other host. The /home/joe/.rhosts files on both SYSTEMA and SYSTEMB are owned by userid ’joe’. Which of the following is the most likely cause of this problem?()A User ’joe’ is specified in the /etc/nologin on SYSTEMAB User ’joe’ is specified in the /etc/nologin on SYSTEMBC The file permissions on the /home/joe/.rhosts file on SYSTEMA is correct.D The file permissions on the /home/joe/.rhosts file on SYSTEMB is incorrect.
问题:单选题During reboot the system hangs with an LED 0554 message that means, "The boot device could not be opened or a read failed." What recovery procedures should be taken?()A Boot in maintenance and use fsck to check hd5.B Boot in maintenance mode, access the rootvg and check the /etc/inittab for corruption.C Boot in maintenance mode, access the rootvg and rebuild the boot image using the bosboot command.D Boot in maintenance mode, access the rootvg and use the bootlist command to create a valid boot list.
问题:单选题Which attribute of a logical volume can NOT be changed after it is created?()A The placement of the logical volumeB The stripe size of the logical volumeC The upper bound of the logical volumeD The intra-policy of the logical volume
问题:单选题Which of the following could the system administrator use to assist in debugging boot problems after the system is up?()A SMSB alogC fsckD bosboot
问题:单选题A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem?()A iostatB netstatC psD vmstat
问题:单选题The /systest filesystem is associated with the /dev/testlv logical volume on the ’testvg’ volume group. Given this information, which of the following commands can the system administrator use to determine if the /systest filesystem is mirrored?()A dfB lsvgC lsfsD lsdev
问题:单选题An administrator attempted to run a sar -u report and received the following error: sar: 0551-201 Cannot open /var/adm/sa/sa07. Which of the following should be scheduled in adm’s crontab to obtain sar reports?()A sa1B sarC vmtuneD schedtune
问题:单选题A system administrator wants to run a script called myscript, but does not want to see the errors that might be generated by the script. How would this be accomplished?()A /usr/local/bin/myscript > /dev/nullB /usr/local/bin/myscript < /dev/nullC /usr/local/bin/myscript 2> /dev/nullD /usr/local/bin/myscript 1> /dev/null
问题:单选题Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources?()A sarB topasC iostatD vmstat
问题:单选题A system administrator has a two-disk volume group (testvg) with one logical volume (testlv) which has just been mirrored across both disk drives. Which of the following commands can be used to turn off quorum?()A chvg -Qn testvgB chlv -Qn testlvC varyoffvg testvg; varyonvg -Qn testvgD varyoffvg testvg; exportvg testvg; importvg -Qn testvg; varyonvg testvg
问题:单选题How would the system administrator turn on Dynamic Processor Deallocation?()A Use the diag menu to set dynamic deallocation to ’on’B Use the chdev command to enable the ’cpuguard’ attribute of sys0C Use the cfgmgr command to change the ’monitor’ attribute of proc0D Use the smitty command with the fast path dynamic_processor_deallocation to turn it on
问题:单选题A system administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape?()A ddB tarC cpioD restore