多項(xiàng)選擇題

Which two statements are true about encrypting RMAN backup？（）

A. The transparent encryption of backups uses the encryption wallet
B. The database uses the same encryption key for every encrypted backup
C. The password encryption of backups only uses the password while creating and restoring backup
D. If transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups

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單項(xiàng)選擇題

Which option is best practice for creating a recovery catalog owner in the catalog database？（）

A. Granting UNLIMITED QUOTA on the SYSTEM tablespace to the owner
B. Allocating the SYSTEM tablespace as the default tablespace and granting the SYSDBA privilege to the user
C. Creating a new tablespace，allocating this as the default， and granting UNLIMITED QUOTA on this tablespace to the user
D. Allocating the SYSAUX tablespace as the default tablespace and granting UNLIMITED QUOTA on this tablespace to the user

單項(xiàng)選擇題

The database is running in the ARCHIVELOG mode. It has three redo log groups with one member each. One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file：
ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3；
Which action should you perform immediately after using this command？（）

A. You should perform a log switch
B. You should make a backup of the database
C. You should switch the database to the NONARCHIVELOG mode
D. You should shut down the database instance and perform a complete database recovery

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Which two statements are true about encrypting RMAN backup？（）

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Which option is best practice for creating a recovery catalog owner in the catalog database？（）

Which option is best practice for creating a recovery catalog owner in the catalog database？（）