单选题Which of the following techniques is used to extract the /usr/tmp directory from a mksysb backup?（）A Use the tar command on the fifth image.B Use the restore command on the fourth image.C Use tctl -f /dev/rmt0.1 fsf 3 followed by the tar command on the

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第2题：

A file on the system ahs been lost, but the latest version is on a mksysb tape. The file is extracted from this mksysb tape by loading the tape. Which of the following indicates where the tape will be skipped forward?（）

• A、Third image, and resoting the file with the tar command
• B、Third image, and restoring the file with the dd command
• C、Fourth image, and restoring the file with the restore command
• D、Fourth image followed by the tar command

第3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4题：

Which of the following techniques is used to extract the /usr/tmp directory from a mksysb backup?（）

• A、Use the tar command on the fifth image.
• B、Use the restore command on the fourth image.
• C、Use tctl -f /dev/rmt0.1 fsf 3 followed by the tar command on the fourth image.
• D、Reboot using the mksysb tape and then use the dd command to extract the file.

第5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6题：

A backup is taken using the following command:tar -cvf abcdef.tar /usr/local/include/tcpd.h The operator is in the directory /usr/local/restores and runs the following command: tar -xvf abcdef.tar. Where will the file be restored?（）

• A、/usr/local/include/tcpd.h
• B、/usr/local/restores/tcpd.h
• C、/usr/local/restores/include/tcpd.h
• D、/usr/local/restores/usr/local/include/tcpd.h

第7题：

You are administering a database stored in Automatic Storage Management (ASM). You use RMAN to back up the database and the MD_BACKUP command to back up the ASM metadata regularly. You lost an ASM disk group DG1 due to hardware failure. In which three ways can you re-create the lost disk group and restore the data?（）

• A、Use the MD_RESTORE command to restore metadata for an existing disk group by passing the existing disk group name as an input parameter and use RMAN to restore the data.
• B、Use the MKDG command to restore the disk group with the same configuration as the backed-up disk group and data on the disk group.
• C、Use the MD_RESTORE command to restore the disk group with the changed disk group specification, failure group specification, name, and other attributes and use RMAN to restore the data.
• D、Use the MKDG command to restore the disk group with the same configuration as the backed-up disk group name and same set of disks and failure group configuration, and use RMAN to restore the data.
• E、Use the MD_RESTORE command to restore both the metadata and data for the failed disk group.
• F、Use the MKDG command to add a new disk group DG1 with the same or different specifications for failure group and other attributes and use RMAN to restore the data.

第8题：

You have a domain controller that runs Windows Server 2008 R2. The Windows Server Backup  feature is installed on the domain controller.   You need to perform a non-authoritative restore of the domain controller by using an existing  backup file.     What should you do（）

• A、Restart the domain controller in Directory Services Restore Mode. Use the WBADMIN command to perform a critica
• B、Restart the domain controller in Directory Services Restore Mode. Use the Windows Server Backup snap-in to perf
• C、Restart the domain controller in safe mode. Use the Windows Server Backup snap-in to perform a critical volume re
• D、Restart the domain controller in safe mode. Use the WBADMIN command to perform a critical volume restore.

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第13题：

An administrator wants to restore the /etc/resolv.conf file from a mksysb backup onto server1.  After the mksysb is mounted in /mnt/backup/ from the local nim server， which command should be run to restore the file？ （） 

• A、tar -xvf /mnt/backup/server1.mksysb ./etc/resolv.conf
• B、restore -Tvf /mnt/backup/server1.mksysb ./etc/resolv.conf
• C、listvgbackup -f /mnt/backup/server1.mksysb  -r ./etc/resolv.conf
• D、restorevgfiles -xrm /mnt/backup/server1.mksysb ./etc/resolv.conf

第14题：

A system administrator has an existing mksysb image, but would like to modify the image.data file on the mksysb before installing it on a system. Which of the following procedures is most appropriate to perform?（）

• A、Create a new image.data file and recreate the mksysb image.
• B、Use the dd command to replace the image.data file on the mksysb tape.
• C、Use the tctl command to palce the new image.data file on the mksysb tape.
• D、Place the new image.data file on a diskette that will be road during the installation of the mksysb.

第15题：

An administrator wants to restore the /etc/resolv.conf file from a mksysb backup onto server1. After the mksysb is mounted in /mnt/backup/ from the local nim server. Which command should be run to restore the file?（）

• A、tar -xvf /mnt/backup/server1.mksysb ./etc/resolv.conf
• B、restore -Tvf /mnt/backup/server1.mksysb ./etc/resolv.conf
• C、listvgbackup -f /mnt/backup/server1.mksysb -r ./etc/resolv.conf
• D、restorevgfiles -xrm /mnt/backup/server1.mksysb ./etc/resolv.conf

第16题：

Which of the following sequence of commands should be used to list the directories and files saved on a mksyst tape that has been rewound and placed in device rmt0?（）

• A、tet1 -f /dev/rmt0 fsf 2; restore -xqvf /dev/rmt0
• B、tet1 -f /dev/rmt0.1 fsf2; restore -Tvf /dev/rmt0.1
• C、tet1 -f /dev/rmt0.1 fsf3; restore Tqvf /dev/rmt0.1
• D、tet1 -f /dev/rmt0.1 fsf3; restore -Tvf /dev/rmt0.1

第17题：

A user reports a corrupted boot logical volume. In order to recreate the contents of the boot logical volume which of the following procedures should the user be advised to perform?（）

• A、Reboot the system in normal mode.
• B、Use the bosboot command to rebuild the boot image.
• C、Restore the boot logical volume from a mksysb image.
• D、Reboot the system into maintenance mode and run fsck on the boot logical volume.

第18题：

Which of the following sequence of commands extracts the third image from a tape that was created using the backup command?（）

• A、tctl -f /dev/rmt0.1 fsf 2 ; tar -xv file3
• B、tctl -f /dev/rmt0.0 fsf 3 ; dd if=file3 pf =/dev/mt0.1
• C、tctl -f /dev/rmt0.1 fsf 2 ; dd if=/dev/rmt0.1 of=file3
• D、tctl -f /dev/rmt0.0 fsf 3 ; dd if=/dev/rmt0.1 of=file3

第19题：

You have lost all your database control files. To recover them， you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact.  Which of the following is true regarding your recovery？（）  

• A、 You will need to open the database with the resetlogs command.
• B、 All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.
• C、 You will use the resetlogs version of the create controlfile command.
• D、 You will use the noresetlogs version of the create controlfile command.
• E、 You will use the trace file to create a backup control file， and then you will recover the database with the recover database using backup controlfile command

第20题：

An administrator needs to be able to list the number and size of backup sets on a tape. Which of the  following procedures accomplish this（）

• A、Use the tcopy /dev/rmtO.l until an end-of-tape error notification is received.
• B、Use the cpio -idmv < /dev/rmtO.l until an end-of-tape error notification is received.
• C、Use the tar -tvf /dev/rmtO.l repeatedly until an end-of-tape error notification is received.
• D、Use the dd if=/dev/rmt0.1 bs=128k count=EOT until an end-of-tape error notification is received.

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