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单项选择题

View the Exhibit to examine the output for the CROSSCHECK BACKUP command. 

Which statement is true about the output of the command（）

A.The backup piece is expired as the new backup is available.
B.The backup piece is expired because the operating-system file was not found.
C.The backup piece is expired because the retention period for the backup has expired.
D.The backup piece is expired because the backup set to which it belongs is not complete.

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热门试题

单项选择题You want to configure and schedule offline database backups to run automatically.  Which tool or utilitywould you use to achieve this（）

A.the XML script
B.the PL/SQL script
C.the DBMS_SCHEDULER package
D.Enterprise Manager to schedule the backup

多项选择题WhichtwofilesinthedatabasecanbeconfiguredforautomaticbackupsbyusingtheautobackupfeatureinRecoveryManager（RMAN）（）

A.data files
B.control files
C.parameter file
D.online redo log files
E.server parameter file

单项选择题You are using Enterprise Manager to schedule backups for your database.  Which type of script wouldbe generated by the backup scheduler（）

A.XML script
B.PL/SQL script
C.Operating system script
D.Recovery Manager （RMAN） script

多项选择题You are managing an Oracle Database 11g database with the following backup strategy：  1.On Sunday， an incremental level 0 tape backup is performed.  2.Monday through Saturday， acumulativeincremental level 1 tape backup is performed.  Which two statements are true regarding the backups performed（）

A.The backup performed in step 1 backs up all blocks that have ever been in use in the database. 
B.The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.
C.The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.
D.The backup performed in step 2 backs up all blocks that have changed since the most recent incremental backup at level 1.

单项选择题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.