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
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问题:单选题A user would like their shell prompt to reflect the current directory. Which of the following environment variables can be set to accomplish this?()A PS1B PATHC PROMPTD LOCPATH
问题:单选题A system administrator’s daily monitoring has revealed a failing disk drive. The drive that is failing, hdisk0, is a lvm mirrored drive. What is the first step that should be taken in order to physically replace this drive?()A Remove the physical volume from the system.B Remove the physical volume from the volume group.C Remove the physical partitions from the volume group.D Remove the logical volume copies from the failing drive.
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In addition to AIX, which of the following operating systems is supported in a pSeries LPAR environment?()A z/OSB LinuxC Sun Solaris 9D Microsoft Windows 2003
问题:单选题A system administrator has determined that the /development filesystem needs to be changed from JFS to JFS2 to take advantage of the new capabilites available in JFS2. What is the method to convert the /development filesystem from type JFS to JFS2?()A Umount the /development filesystem and remount it using the following command: mount -t jfs2 /developmentB Edit the /etc/filesystems file to change the type paramter to jfs2 and change the log parameter to jfs2logC Backup the /development filesystem data, delete the JFS /development filesystem, create the new JFS2 /development filsystem, and restore the data to the /development filesystemD Backup the /development filesystem data, change the /development filesystem using the following command,chfs -t type=jfs2 /development.then, restore the data to the /development filesystem
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In which directory are the basic Linux commands such as gzip, gunzip and zcat installed?()A /opt/freeware/binB /usr/bin/freewareC /var/freeware/binD /usr/sbin/freeware
问题:单选题Prior to implementing an LPAR system, which of the following needs to be done?()A A graphics monitor must be attached to the serverB Cluster System Management (CSM) software must be installedC The LPAR system must have an Hardware Management Console (HMC) connectedD Each LPAR must be configured with a CDROM for operating system installation
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 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 enabledB Check the /etc/inittab to see if /etc/method/cfg64 is enabledC Use the ls -al to see if /unix is linked to /usr/lib/boot/unix_64D Use the lslpp command to see if the bos.mp64 fileset is installed
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Which command will increase the contiguous free space of a file system without having to add additional partitions?()A chfsB fsckC chlvD defragfs
问题:单选题A system administrator is unable to unmount a file system. Which is the appropriate command to determine who or what is accessing the file system?()A who /filesystemB lsfs /filesystemC fuser /filesystemD umount -f /filesystem
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What command would be used to restart the mail daemon?()A sendmail -biB refresh -s sendmailC restart -a sendmailD /etc/sendmail.cf -stop /etc/sendmail.cf -start
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