单选题Which command restores files from a volume group backup on a specified media?（）A mksysb-rB savevg-rC restorevg-rD restorevg files

第1题：

Which command should an administrator use to view files and volume group backup information from a mksysb called server1.mksysb that is found in /backups？（）  

• A、lsmksysb -l /backups/server1.mksysb
• B、showmksysb -f /backups/server1.mksysb
• C、listvgbackup -f /backups/server1.mksysb
• D、showvgbackup -l /backups/server1.mksysb

第2题：

Which command restores files from a volume group backup on a specified media？（） 

• A、mksysb -r
• B、savevg -r
• C、restorevg -r
• D、restorevgfiles

第3题：

Error log analysis indicates that a disk is starting to fail and will need to be replaced. The failing disk contains multiple logical volumes which span multiple disks. A free disk has been added to the failing disk’s volume group.Which of the following is the most efficient method to move the data from the failing disk to the new disk？（）

• A、Back up the data， remove the failing disk from the volume group， then restore the data to the new disk.
• B、Use the migratepv command to move data from one disk to another and then remove the failing disk from the volume group.
• C、Use the mirrorvg command to mirror the data to the new disk， break the mirror and then remove the failing disk from the volume group.
• D、Create a new filesystem on the new disk and use the mv command to move the data to the new filesystem， and then remove the failing disk from the volume group.

第4题：

You executed the following command in the Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

• A、 A list of files that require a backup within 3 days
• B、 A list of files requiring more than 3 days of archivelogs to apply
• C、 A list of files that RMAN recommends be backed up only once in every three days，based on low volatility
• D、 A list of files for which a backup as already been performed in the last three days and which is  required to be backed up again based on the high number of transactions performed on them

第5题：

You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of a tablespace. Which statement is true in this scenario？（）

• A、The backup status will be marked expired in RMAN recovery catalog.
• B、The backup status will be marked deleted in RMAN recovery catalog after you execute the crosscheck command.
• C、The backup will be deleted physically from the OS （Operating system）and the backup information is removed from the recovery catalogl
• D、The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）.
• E、The backup status will be marked deleted and you must delete the backup file manually from the OS （Operating system）， if you are not using Oracle Managed Files （OMF）.

第6题：

Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?（）

• A、It cancels all pending disk drops within the disk group
• B、It restores disks that are being dropped as the result of a DROP DISKGROUP operation
• C、It mounts disks in the disk group for which the drop-disk operation has already been completed
• D、It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed
• E、It adds previously dropped disks back into the disk group

第7题：

You are the administrator of a network supporting Windows 2000 Professional computers. You want to configure user Group Policy to achieve these results:    Allow users to view the options in the Offline Files dialog box   Remove the Offline Files tab from the Folder Options dialog box   Disable the Settings button in the Offline Files Status dialog box   Remove the Settings command from the Offline Files shortcut menu    Your proposed solution is to enable the group policy setting Disable user configuration of Offline Files.    Which results does the proposed solution provide?（）

• A、Users can view the options in the Offline Files dialog box
• B、The Offline Files tab is removed from the Folder Options dialog box
• C、The Settings button in the Offline Files Status dialog box is disabled
• D、The Settings command is removed from the Offline Files shortcut menu

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第13题：

An administrator is trying to extend an existing volume group with a new hard disk, but the extendvg command returns the following error. 0516-1162 /usr/sbin/extendvg. Warning, The Physical Partition Size of 64 requires the creation of 8924 partitions for hdisk11. The limitation for volume group datavg is 1016 physical partitions per physical volume. Use chvg command with -t option to attempt to change the maximum Physical Partitions per Physical volume for this volume group. The chvg -t may or may not allow the extendvg command to succeed. What is the implication of using this option?（）

• A、It reduces the maximum file size allowed within the given volume group.
• B、It reduces the maximum number of files allowed within the given volume group.
• C、It reduces the maximum number of logical volumes allowed within the given volume group.
• D、It reduces the maximum number of physical volumes allowed within the given volume group.

第14题：

A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?（）

• A、The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.
• B、This backup will be bootable and the volume group and all jfs logical volumes will be recreated.
• C、This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.
• D、The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.

第15题：

Which command restores files from a volume group backup on a specified media?（）

• A、mksysb-r
• B、savevg-r
• C、restorevg-r
• D、restorevg files

第16题：

Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?（）

• A、It cancels all pending disk drops within the disk group.
• B、It restores disks that are being dropped as the result of a DROP DISKGROUP operation
• C、It mounts disks in the disk group for which the drop-disk operation has already been co pleted
• D、It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed
• E、It adds previously dropped disks back into the disk group

第17题：

In your database， online redo log files are multiplexed and one of the members in a group is lost due to media failure.  How would you recover the lost redo log member？（）

• A、import the database from the last export
• B、restore all the members in the group from the last backup
• C、drop the lost member from the database， and then add a new member to the group
• D、restore all the database files from the backup， and then perform a complete recovery 
• E、restore all the database files from the backup， and then perform an incomplete recovery

第18题：

You have a computer that runs Windows 7. Windows Backup is configured to store backups on an externaldrive. You create a new NTFS volume on the computer. You need to configure Windows Backup to includethe files on the new volume as part of regularly scheduled backups.  What should you do?（）

• A、From Backup and Restore， select Change settings.
• B、From Backup and Restore， select Create a system image.
• C、From the System Protection tab， create a restore point.
• D、From the System Protection tab， enable system protection for the new volume.

第19题：

Which command will migrate a filesystem from one volume group to another？（）

• A、cpfs
• B、cplv
• C、mkfscopy
• D、migratepv

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