单选题While using the smit install_remove menus to remove some filesets the 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， r

第1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 /data1
• B、 Run defragfs -r /dev/lv01； defragfs /dev/lv01
• C、 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.

第2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.

第3题：

After installing the base operating system and the Server bundle, a system administrator decides to remove several printer definitions that the system users will not need. Which of the following procedures is the best way for a system administrator to remove the extra printer definitions?（）

• A、Select the SMIT option to remove software products
• B、Reinstall the desired filesets using the "Force Overwrite" option
• C、Delete the unnecessary entries from the /usr/lpp/printers directory
• D、Use the ODM edit (odem) utility to revmoe the definition from the system's ODM database

第4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 mounted
• B、Reboot the server into maintenance mode and run 'fsck' with the '-y' parameter whilethe filesystem is unmounted
• C、Force a umount of the filesystem with 'umount -F /dev/fslv02', and then run 'fsck p /dev/fslv02' while the file system 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

第5题：

An administrator needs to apply a Technology Level update. During the preview install， the output indicates that there is insufficient space in the /usr filesystem. Review of the root volume group indicates there are no available physical partitions， but the /test jfs2 filesystem is only 8% used.  What is the most efficient method to use the available space in the /test filesystem to apply the update？（）

• A、Use chfs to reduce the /test filesystem
• B、Use cplv to copy the /test filesystem to a smaller logical volume
• C、Use migratepv l to move the /test filesystem to a different volume group
• D、Backup the /test filesystem， remove it， and recreate it with a smaller size

第6题：

A software update was installed using the Apply option, however the update is no longer required. Which of the following procedures should be performed to remove the update?（）

• A、Use the Reject option
• B、Delete the update form the /usr/lpp directories
• C、Use the Force Overwrite option to re-install the earlier version
• D、Commit the update and then remove the updated product filesets using SMIT

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第13题：

While using the smit install_remove menus to remove some filesets the 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 XXX /usr commands.
• D、Update /etc/filesystems with the desired size for /usr and reboot the system.

第14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

第15题：

An  administrator  notices  the  /  filesystem  is  98%  full.   Which  of  the  following  files  commonly  grow  rapidly（）

• A、/var/adm/wtmp
• B、/etc/security/failedlogin
• C、/smit.script
• D、/proc

第16题：

A system administrator has increased the size the logical volume lv00. The administrator now wants to enlarge the filesystem /fs00 that is mounted on lv00 to the same size that lv00 currently is. Which of the following commands will show the administrator the number of blocks to use when increasing the size of the filesystem /fs00？（）

• A、lslv /fs00
• B、lsfs -q /fs00
• C、lsdev -Cc lv00
• D、lsattr -El lv00

第17题：

An  administrator  performs  an  audit  on  the  /usr  filesystem  and  finds  the  following  permissions：  -rwsr-xr-x  1  root  sys  514288  Jun  18  09：40  /usr/local/bin/nmon  Which  of  the  following  methods  can  the  administrator use to remove a potential security risk（）

• A、rm /usr/local/bin/nmon
• B、chmod u-s /usr/local/bin/nmon
• C、Reinstall the file from the appropriate fileset
• D、chmod go-rx /usr/local/bin/nmon

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