單項(xiàng)選擇題

You work as a database administrator for Certkiller .com. Your database is functional. One of the disks containing a mirrored redo log member has bad sectors in it. You are unable to fix the damaged file.
How does the loss of a redo log member affect the instance of the database that is currently running？（）

A.The instance would normally abort.
B.The instance would not be affected.
C.The instance would be invalid， so would have to be aborted.
D.The instance would remain open， but the LGWR process would fail.
E.The instance would remain open and would automatically create the missing file

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單項(xiàng)選擇題

You work as a database administrator for Certkiller .com. In your organization， you have four databases， Certkiller DB01， Certkiller DB02， Certkiller DB03， and Certkiller DB04， which are located in Berlin， Frankfurt，Rammstein， and Munich respectively， and which were created using Database Configuration Assistant （DBCA）.
You want to perform administrative tasks on these databases that include startup and shutdown， taking regular backups， and so on， fromFrankfurtusing Oracle tools. Which Oracle file would you enable to perform this task？（）

A.Control file
B.Password file
C.Parameter file
D.Online redo log file
E.Listener controller file
F.Server parameter file

多項(xiàng)選擇題

You work as a database administrator for Certkiller .com. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）

A.Set the UNDO_RETENTION parameter to AUTO.
B.Create an initial undo segment in undotablespace.
C.Set the UNDO_RETENTION parameter to 900 or more
D.Set the initialization parameter UNDO_MANAGEMENT to AUTO
E.Set the UNDO_MANAGEMENT parameter to the name of an undotablespace

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You work as a database administrator for Certkiller .com. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）

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You work as a database administrator for Certkiller .com. You want to create your database with the automatic undo management feature enable.Which two tasks must you perform to achieve this？（）