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
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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While installing an application, the administrator is instructed to perform two final tasks prior to starting the application: 1.Set the ownership of a file named ’control_file’ to be owned by the user ’database’ and the group ’appsrvr’. 2.Change the permissions of ’control_file’ to 0766. After these two tasks have been completed, what will the file permissions look like when ’ls -l control_file’ is executed?()A -rwxrw-rw- 1 database appsrvr 4913 Mar 17 08:24 control_fileB -rw-r--r-- 1 appsrvr database 4913 Mar 17 08:24 control_fileC -rw-r--r-- 1 database appsrvr 4913 Mar 17 08:24 control_fileD -rwxrw-rw- 1 appsrvr database 4913 Mar 17 08:24 control_file
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Which of the following commands can be used to get the system ready to physically insert a PCI hot plug adaptor?()A mkdevB cfmgrC drslotD lsslot
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
问题:单选题Which command is used by the system boot process to determine what resources are available to the system?()A diagB lscfgC mpcfgD cfgmgr
问题:单选题When is it appropriate to use a JFS filesystem instead of a JFS2 filesystem?()A When the filesystem will contain 100GB files.B When the filesystem resides on a 32-bit system.C When the filesystem contains a large number of small files.D When filesystem compression is required due to limited disk space.
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 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A system administrator wants to give full read/write/excute access to the owner and group of the /stuff directory and all subdirectories and files, but only allow read/execute for others. What command would the administrator use?()A chmod -R 775 /stuffB chmod -h 002 /stuffC chmod -R 577 /stuffD chmod ug+rwx,o+rx /stuff
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 created a /etc/exports file on server "Alpha" and entered a filesystem to be exported to server "Bravo." However, the remote servers are unable to mount the filesystems. What does the system administrator need to do?()A Use the exportfs command on server Alpha to export the filesystemB Use the showmount command on server Bravo to import the filesystemC Use the startsrc command on server Bravo to refresh the NFS daemonsD Use the chfs command on server Alpha to change the filesystem type to NFS
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 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
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 has a server experiencing performance problems with logical volumes within a particular volume group. Which command can report I/O statistics for logical partitions with each logical volume within the volume group?()A lslvB lsvgC iostatD lvmstat