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单选题
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
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更多 “单选题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 savevgB tarC cpioD mksysb” 相关考题
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Which of the following allows an administrator to recover the MOST data?()
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A system administrator is preparing to run a preservation install and would like to use and hdisk that was no longer needed in datavg. Which of the following processes should be used to make it available for configuration?()A.chdeb -1 hdiskxxx -a pv=clear; chdev -1 hdiskxx -a pv=yesB.exportvg datavg; importvg -y rootvg hdiskxxC.rmdev -1 hdiskxxx; mkdev -1 hdiskxxx -a pv=availD.reducevg datavg hdiskxxx; extendvg rootvg hdiskxxx
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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.savevgB.tarC.cpioD.mksysb
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Which command can a system administrator use to verify that a tape is in backup format and is readable by the system?()A、tarB、tctlC、tcopyD、restore
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A SAN needs to undergo disruptive maintenance, which will effect a hosted production system with multiple applications and related volume groups, one of which, datavg, resides on the SAN. There is one spare disk in the system but it is smaller than datavg. How can application outages and risk of corruption be minimized?()A、Stop the applications in all data volume groups and shut the system down during the outage period.B、Stop the applications in datavg, unmount all datavg filesystems, varyoff datavg, and export datavg.C、Stop the applications in datavg, unmount all datavg filesystems, and reduce datavg by the SAN disks.D、Use the 'cpvg' command with the -z option to copy and compress datavg to different physical volumes.
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A system administrator performs a full backup every Saturday evening and incremental backups the rest of the week. The system failed on Thursday and needs to be restored. Which backup tapes will be required to restore the system to its most recent recoverable state?()A、Saturday’s full backup tape onlyB、Wednesday’s incremental backup tape onlyC、Saturday’s full backup and Wednesday’s incremental backup tapesD、Saturday’s full backup and Sunday’s through Wednesday’s incremental backup tapes
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A system administrator has a filesystem called /test/data in volume group datavg. Which of the following commands will allow the administrator to create a mirrored copy of the filesystem’s data?()A、chfsB、chlvC、mklvcopyD、mkfscopy
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A System p 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
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A new application has been added to a system which needs to automatically be started at system startup. The system administrator has decided to accomplish this by using the /etc/inittab file. Which command would be used to accomplish this in a supported manner?()A、viB、mkitabC、telinitD、startsrc
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Which command would an administrator use to list which filesystems are in volume group datavg?()A、lspv datavgB、lslv -a datavgC、lsfs -v datavgD、lsvg -l datavg
考题
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
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A system administrator needs to upgrade the Oracle database from Version 7 to Version 8. Which of the following scheduling concerns should be considered?()A、Schedule enough down time to backup, upgrade and reboot. B、Backup, upgrade, then schedule enough down time to reboot the system.C、Backup, then schedule enough down time to upgrade and reboot the system. D、There are no scheduling concerns because no down time is required.
考题
A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?()A、The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.B、This backup will be bootable and the volume group and all jfs logical volumes will be recreated.C、This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.D、The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.
考题
A system administrator wants to automatically eject the backup tape each night after the backup is complete. Which command can be used to eject the tape?()A、tarB、tctlC、rmdevD、backup
考题
A file system has been corrupted and needs to be restored. Which file contains the ufsdump levels for this file system? ()A、 /etc/backupB、 /etc/ufsdumpC、 /etc/dumpdatesD、 /etc/fsdumpdates
考题
You work as a database administrator for Certkiller .com. According to your backup strategy, you performed an incremental level 0 backup of your database. Which statement regarding this backup is true?()A、The backup is similar to image copy.B、The backup contains all used data blocks.C、The backup contains only unused data blocks.D、The backup contains all data blocks changed since the last incremental level 1 backup.
考题
单选题You work as a database administrator for Certkiller .com. According to your backup strategy, you performed an incremental level 0 backup of your database. Which statement regarding this backup is true?()A
The backup is similar to image copy.B
The backup contains all used data blocks.C
The backup contains only unused data blocks.D
The backup contains all data blocks changed since the last incremental level 1 backup.
考题
单选题A system administrator wants to automatically eject the backup tape each night after the backup is complete. Which command can be used to eject the tape?()A
tarB
tctlC
rmdevD
backup
考题
单选题A system administrator is preparing to run a preservation install and would like to use and hdisk that was no longer needed in datavg. Which of the following processes should be used to make it available for configuration?()A
chdeb -1 hdiskxxx -a pv=clear; chdev -1 hdiskxx -a pv=yesB
exportvg datavg; importvg -y rootvg hdiskxxC
rmdev -1 hdiskxxx; mkdev -1 hdiskxxx -a pv=availD
reducevg datavg hdiskxxx; extendvg rootvg hdiskxxx
考题
单选题A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?()A
The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.B
This backup will be bootable and the volume group and all jfs logical volumes will be recreated.C
This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.D
The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.
考题
单选题A file system has been corrupted and needs to be restored. Which file contains the ufsdump levels for this file system? ()A
/etc/backupB
/etc/ufsdumpC
/etc/dumpdatesD
/etc/fsdumpdates
考题
单选题A system administrator has determined that a recently applied APAR needs to be removed. Which of the following installp options will remove the APAR?()A
cleanupB
commitC
deinstallD
reject
考题
单选题A System p administrator has determined that a recently applied APAR needs to be removed. Which of the following installp options will remove the APAR()A
cleanupB
uninstallC
deinstallD
reject
考题
单选题Which of the following allows an administrator to recover the MOST data?()A
System imageB
Incremental backupC
System state restoreD
Differential backup
考题
单选题A system administrator needs to upgrade the Oracle database from Version 7 to Version 8. Which of the following scheduling concerns should be considered?()A
Schedule enough down time to backup, upgrade and reboot. B
Backup, upgrade, then schedule enough down time to reboot the system.C
Backup, then schedule enough down time to upgrade and reboot the system. D
There are no scheduling concerns because no down time is required.
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