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

第1题：

You need to restore some files from a file system. The file system was backed up from a snapshot.  Which command will correctly restore these files？（）

• A、 fssnap -i
• B、 fssnap -r
• C、 ufsrestore -i
• D、 snaprestore -i

第2题：

A system administrator has a failed disk drive that is mirrored to another disk drive. They successfully removed the logical volume copies off of the failed disk drive. Which of the following commands should be used to remove the failed disk drive from the volume group？（）

• A、chvg
• B、rmdev
• C、reducevg
• D、exportvg

第3题：

A system administrator suspects that there were problems with the AIX installation on a pSeries server. Which of the following commands can be used， with the appropriate flags， to view the BOS installation output files？（）

• A、alog
• B、errpt
• C、lscfg
• D、installp

第4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5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6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7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、dd
• B、tar
• C、cpio
• D、restore

第8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、tar
• B、tctl
• C、rmdev
• D、backup

第9题：

第10题：

第11题：

第12题：

第13题：

A corrupted file system is now repaired and back in use. Some， but not all of the files within the file  systems have been deleted. The only backup of this file system is a month-old tar archive. This archive will need to be restored as root.  Which two statements correctly describe the effects of the restore operation？（）

• A、 Files found in the file system that are also on tape will NOT be overwritten.
• B、 The missing files， present on the backup tape， are restored to the file system with the data as it was when the backup was taken.
• C、 The access times are preserved by tar and will reflect the time when a user last accessed the data.
• D、 The modification time on the files restored by tar will be preserved and will reflect the time the file was last modified before the backup， NOT the time of the restore operation.

第14题：

A support specialist started to apply an APAR on a system by inserting the tape into the tape drive， and loaded the fix using smitty installp. The following error message is displayed： tape not in backup format   Which of the following will resolve this problem？（）

• A、Change density setting to 2
• B、Set tape device to /dev/rmt0
• C、Set block size to 0 for variable
• D、Enable compression on tape device

第15题：

Which of the following commands is used to restore the VIO server from a backup image？（）

• A、dd
• B、tar
• C、restore
• D、installios

第16题：

Which command can a system administrator use to verify that a tape is in backup format and is readable by the system？（）

• A、tar
• B、tctl
• C、tcopy
• D、restore

第17题：

A customer has the need to implement a tape backup solution to backup a 500GB database on a daily basis.  Which of the following factors is the most important consideration in the design of a backup and restore solution？（）

• A、Amount of data in the backup
• B、Bandwidth available to the tape device
• C、Length of the backup/restore window
• D、Speed that the backup system can find files for restoration

第18题：

Several people in an Information Technology （IT） department are asking for fileset updates that the system administrator received earlier that day on CD-ROM. The system administrator created an install directory on their machine and made it available to everyone. Which of the following commands will allow the system administrator to copy the images from the CD-ROM to the install directory？（）

• A、smit bffcreate from the target directory
• B、tar -xvf /dev/cd0 from the target directory
• C、restore -xvqf /dev/cd0 from the target directory
• D、mount the cdrom on /cdrom and cp /cdrom/* . from the target directory

第19题：

An administrator trying to restore a backup from tape encounters read errors. The administrator suspects that it could be an issue with the block device.  What is the appropriate method to resolve this issue？（）  

• A、Set the block size to 0.
• B、Read the tape using the tctl command.
• C、Use the ’cpio’ command to override tape device settings.
• D、Run the ’dd’ command to identify the block size from the tape.

第20题：

You have a computer that runs Windows XP professional. The computer contains one partition and a floppy disk drive. You connect a new USB drive. You need to back up the computer to meet the following requirements: Enable a complete recovery if the hard disk fails. Enable an automatic restore of the operating systems. Automatically recreate the partitions during a restore process. What should you do?（）

• A、From System Restore, create a system restore point.
• B、From the System Tools menu, run the Files and Settings Transfer Wizard.
• C、From Windows Backup, run the Automated System Recovery (ASR) Wizard. 
• D、From Windows Backup, run the Backup Wizard, and then select Only backup the System State data. 

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