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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
dd
B
tar
C
cpio
D
restore
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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
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单选题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
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考题
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Backup， unmount， remove， recreate and restore the filesystem.B
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Unmount， run defragfs /usr and the reducefs -size XXX /usr commands.D
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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
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 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.
考题
单选题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 backupB
Bandwidth available to the tape deviceC
Length of the backup/restore windowD
Speed that the backup system can find files for restoration
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
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backup
考题
单选题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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