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单选题
A system administrator is attempting to unmount filesystem /dev/data and receives the following message： umount： 0506-349 Cannot unmount /dev/data： The requested resource is busy. Which of the following commands can be used to determine which process has open references within the filesystem？（）
A
lsfs
B
topas
C
fuser
D
mount
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14将光盘/dev/hdc卸载的命令是：（）A、umount /dev/hdcB、unmount /mnt/cdrom /dev/hdcC、unmount /dev/hdcD、umount /mnt/cdrom /dev/hdc
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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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An administrator is attempting to recover a filesystem that fails to manually unmount. The fsck command produces the following output： The current volume is： /dev/fslv02 File system is currently mounted. Invalid file system size in the primary superblock. Invalid file system size in the secondary superblock. Primary superblock is corrupt. Secondary superblock is corrupt. fsck： 0507-018 Superblock is corrupt and cannot be repaired. Both primary and secondary copies are corrupt.Cannot continue tried to mount Which steps will resolve the problem？（）A、Reboot the server into maintenance mode and run ‘fsck’ with the ‘-p’ parameter while the filesystem is mounted.B、Reboot the server into maintenance mode and run ‘fsck’ with the ‘-y’ parameter while the filesystem is unmounted.C、Force a umount of the filesystem with ‘umount -F /dev/fslv02’， and then run ‘fsck -p /dev/fslv02’ while the filesystem is unmounted.D、Force a umount of the filesystem by varying off the hosting volume group and then varyon the volume group. This will permit ‘fsck -y’ to be run against the failing filesystem.
考题
Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）A、 Run defragfs -r /data1； defragfs /data1B、 Run defragfs -r /dev/lv01； defragfs /dev/lv01C、 Back up the filesystem by name， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.D、 Back up the filesystem by inode， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.
考题
While using the smit install_remove menus to remove some filesets on an AIX 5.3 server， a system administrator notices the /usr filesystem is now unnecessarily large. Which of the following actions will reduce the size of the /usr filesystem （）A、Backup， unmount， remove， recreate and restore the filesystem.B、Boot from mksysb tape and select Shrink filesystems on restore.C、Unmount， run defragfs /usr and the reducefs -size n /usr commands.D、Update the /image.data file with the desired size for /usr and reboot the system.
考题
A system administrator has been asked to migrate the dev_vg volume group from server A to server B. The dev_vg volume group contains a single filesystem named "/development". To prepare for migration， which of the following is the correct sequence of commands for removing the volume group from server A？（）A、exportvg dev_vg； umount /development； varyoffvg dev_vgB、varyoffvg dev_vg； umount /development； exportvg dev_vgC、umount /development； exportvg dev_vg； varyoffvg dev_vgD、umount /development； varyoffvg dev_vg； exportvg dev_vg
考题
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
考题
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
考题
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
考题
A system administrator is attempting to unmount filesystem /dev/data and receives the following message： umount： 0506-349 Cannot unmount /dev/data： The requested resource is busy. Which of the following commands can be used to determine which process has open references within the filesystem？（）A、lsfsB、topasC、fuserD、mount
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
考题
An administrator is attempting to recover afilesystem that fails to manually unmount. The fsck command produces the following output: The current volume is: /dev/fslv02 File system is currently mounted. Invalid file system size in the primary superblock. Invalid file system size in the secondary superblock. Primary superblock is corrupt. Secondary superblock is corrupt. fsck: Cannot continue tried to mount Which steps will resolve the problem?（）A、Reboot the server into maintenance mode and run 'fsck' with the '-p' parameter while the filesystem is mountedB、Reboot the server into maintenance mode and run 'fsck' with the '-y' parameter whilethe filesystem is unmountedC、Force a umount of the filesystem with 'umount -F /dev/fslv02', and then run 'fsck p /dev/fslv02' whilethe file system is unmountedD、Force a umount of the filesystem by varying off the hosting volume group and then varyon the volume group. This will permit 'fsck -y' to be run against the failing filesystem
考题
A system administrator has an application that has the data in volume group appvg. Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors？（）A、savevg -mf /dev/rmt0 appvgB、savevg -cvf /dev/rmt0 appvgC、savevg -xvf /dev/rmt0 appvgD、savevg -f /dev/rmt0 -V appvg
考题
The system administrator has determined that a new JFS log needs to be created on a different disk， in order to decrease an I/O bottleneck. Which of the following steps are the most correct？（） A、 mklv -t jfslog -y LVname VGname 1 PVname logform /dev/LVname chfs -a log=/dev/LVname /filesystemname m ount and unmount filesystemB、 mklv -t jfslog -y LVname VGname PVname unmount filesystem vi /etc/filesystems， change entry for lv to point filesystem to new JFS log mount filesystemC、 mklvcopy -a jfslog -y LVname VGname 1 PVname chfs -a log=/dev/LVname /filesystemname unmount and mount file systemD、 mklvcopy -t jfslog -y LVname VGname 1 PVname logform /dev/LVname vi /etc/filesystems， change entry for lv to point filesystem to new JFS log unmount and mount filesystem
考题
将光盘/dev/hdc卸载的命令是（）。A、umount/dev/hdcB、unmount/dev/hdcC、umount/mnt/cdrom/dev/hdcD、unmount/mnt/cdrom/dev/hdc
考题
单选题The system administrator has determined that a new JFS log needs to be created on a different disk， in order to decrease an I/O bottleneck. Which of the following steps are the most correct？（）A
mklv -t jfslog -y LVname VGname 1 PVname logform /dev/LVname chfs -a log=/dev/LVname /filesystemname m ount and unmount filesystemB
mklv -t jfslog -y LVname VGname PVname unmount filesystem vi /etc/filesystems， change entry for lv to point filesystem to new JFS log mount filesystemC
mklvcopy -a jfslog -y LVname VGname 1 PVname chfs -a log=/dev/LVname /filesystemname unmount and mount file systemD
mklvcopy -t jfslog -y LVname VGname 1 PVname logform /dev/LVname vi /etc/filesystems， change entry for lv to point filesystem to new JFS log unmount and mount filesystem
考题
单选题An administrator is attempting to recover afilesystem that fails to manually unmount. The fsck command produces the following output: The current volume is: /dev/fslv02 File system is currently mounted. Invalid file system size in the primary superblock. Invalid file system size in the secondary superblock. Primary superblock is corrupt. Secondary superblock is corrupt. fsck: Cannot continue tried to mount Which steps will resolve the problem?（）A
Reboot the server into maintenance mode and run 'fsck' with the '-p' parameter while the filesystem is mountedB
Reboot the server into maintenance mode and run 'fsck' with the '-y' parameter whilethe filesystem is unmountedC
Force a umount of the filesystem with 'umount -F /dev/fslv02', and then run 'fsck p /dev/fslv02' whilethe file system is unmountedD
Force a umount of the filesystem by varying off the hosting volume group and then varyon the volume group. This will permit 'fsck -y' to be run against the failing filesystem
考题
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
考题
单选题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
考题
单选题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
考题
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
考题
单选题An administrator is attempting to recover a filesystem that fails to manually unmount. The fsck command produces the following output： The current volume is： /dev/fslv02 File system is currently mounted. Invalid file system size in the primary superblock. Invalid file system size in the secondary superblock. Primary superblock is corrupt. Secondary superblock is corrupt. fsck： 0507-018 Superblock is corrupt and cannot be repaired. Both primary and secondary copies are corrupt.Cannot continue tried to mount Which steps will resolve the problem？（）A
Reboot the server into maintenance mode and run ‘fsck’ with the ‘-p’ parameter while the filesystem is mounted.B
Reboot the server into maintenance mode and run ‘fsck’ with the ‘-y’ parameter while the filesystem is unmounted.C
Force a umount of the filesystem with ‘umount -F /dev/fslv02’， and then run ‘fsck -p /dev/fslv02’ while the filesystem is unmounted.D
Force a umount of the filesystem by varying off the hosting volume group and then varyon the volume group. This will permit ‘fsck -y’ to be run against the failing filesystem.
考题
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
考题
单选题A system administrator has an application that has the data in volume group appvg. Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors？（）A
savevg -mf /dev/rmt0 appvgB
savevg -cvf /dev/rmt0 appvgC
savevg -xvf /dev/rmt0 appvgD
savevg -f /dev/rmt0 -V appvg
考题
单选题A system administrator has been asked to migrate the dev_vg volume group from server A to server B. The dev_vg volume group contains a single filesystem named "/development". To prepare for migration， which of the following is the correct sequence of commands for removing the volume group from server A？（）A
exportvg dev_vg； umount /development； varyoffvg dev_vgB
varyoffvg dev_vg； umount /development； exportvg dev_vgC
umount /development； exportvg dev_vg； varyoffvg dev_vgD
umount /development； varyoffvg dev_vg； exportvg dev_vg
考题
单选题A System p administrator has an application that has the data in volume group appvg. Which of the following commands will back up the contents of appvg to the tape in /dev/rmt0 and check for any read errors （）A
savevg -mf /dev/rmt0 appvgB
savevg -cvf /dev/rmt0 appvgC
savevg -vf /dev/rmt0 appvgD
savevg -f /dev/rmt0 -V appvg
考题
单选题Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）A
Run defragfs -r /data1； defragfs /data1B
Run defragfs -r /dev/lv01； defragfs /dev/lv01C
Back up the filesystem by name， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.D
Back up the filesystem by inode， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.
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