单项选择题

Archived redo logs can be copied to more than one destination by Oracle.（）

A. True
B. False

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单项选择题

Which is not a valid way of backing up a control file？（）

A. Backing up the control file to trace
B. Copying the existing control file of the database to the backup location during a hot backup
C. Copying the existing control file of the database to the backup location during a cold backup
D. Creating a backup control file
E. Using the create controlfile command

单项选择题

Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on. Is this backup usable for backup and recovery of your database？（）

A. Yes， if the database is in ARCHIVELOG mode
B. Yes， if the database is in NOARCHIVELOG mode
C. No， the backup is not usable in any way
D. Only if the ENABLE_ONLINE_BACKUP parameter is set to TRUE

单项选择题

Which of the following is a valid way of putting a tablespace named DAVE_TBS into hot backup mode？（）

A. alter tablespace DAVE_TBS backup mode
B. alter tablespace DAVE_TBS start backup
C. alter tablespace DAVE_TBS begin backup
D. alter tablespace DAVE_TBS backup begin
E. alter tablespace DAVE_TBS backup

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