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单选题
Which type of backup contains only the blocks that have changed since the last level 0 incremental backup?（）
A
a cumulative level 1 backup
B
a differential level 1 backup
C
a full backup
D
a whole backup
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单选题You work as a database administrator for Certkiller .com. According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）A
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多选题You want to perform an RMAN backup of database as a copy. Which two factors will you consider while performing the backup operation?（）AThe backup as copy can only be taken to diskBThe backup as copy can only be taken to tapeCBackup can be performed only when the instance is shutdownDBackup will constitute all used and unused blocks in the database
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单选题Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?（）A
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单选题According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）A
The backup is similar to image copy.B
The backup contains all used data blocks.C
The backup contains only unused data blocks.D
The backup contains all data blocks changed since the last incremental level 1 backup.
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单选题You are managing an Oracle Database 11g database with this backup strategy： - Every Sunday night， level 0 backup is performed. - On Monday night and subsequent days， level 1 incremental backup is performed. The backups are not cumulative incremental. Which statement about Monday’s backup is true（）A
The backup contains all the used blocks.B
The backup contains all the used and unused blocks.C
The backup contains blocks that have changed since the last level 0 backup.D
The backup contains blocks that have changed since the last level 1 backup taken last week.
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单选题Which statement is true about a whole consistent database backup on a database running in ARCHIVELOG mode（）A
The backup will consist of used data blocks only.B
The database must be shut down to accomplish the backup.C
The backup can be accomplished without shutting down the database.D
The backup will contain all database files that have never been backed up.
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单选题Which type of backup contains only the blocks that have changed since the last level 0 incremental backup?（）A
a cumulative level 1 backupB
a differential level 1 backupC
a full backupD
a whole backup
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单选题You execute the following RMAN commands in the order shown below： BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do？（）A
create a backup of the database and recover all corrupted blocks found in the backupB
run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the databaseC
run a backup validation to populate V$COPY_CORRUPTION view， and then list any corrupt blocks recorded in the viewD
run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view， and then repair any corrupt blocks recorded in the viewE
run a backup validation， repair any corrupt blocks found during the validation process， and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired
考题
单选题Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（）A
Differential incremental backupB
Different incremental backupC
Cumulative backupD
Cumulative incremental backup
考题
单选题Which type of backup contains only the blocks that have changed since the last level 0 incremental backup？（）A
a cumulative level 1 backupB
a differential level 1 backupC
a full backupD
a whole backup
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