We've just installed a fan to ______ cooking smells from the kitchen.A．ejectB．expelC．exclu

EVER option. After some days, you want to change the status of the database backup and you issued the following command:RMAN>CHANGE BACKUPSET 231 NOKEEP;What is the implication of this command？（）

A. The backup is deleted.

B. The backup is marked unavailable.

C. The backup overrides the backup retention policy.

D. the backup becomes eligible for deletion according to the existing retention policy

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database

A. The backup as copy can only be taken to disk

B. The backup as copy can only be taken to tape

C. Backup can be performed only when the instance is shutdown

D. Backup will constitute all used and unused blocks in the database

command:$rman TARGET / CATALOG rman / cat@catdbRMAN >BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true？（）

A. Corrupted blocks, if any, are repaired.

B. Checks are performed for physical corruptions.

C. Checks are performed for logical corruptions.

D. Checks are performed to confirm whether all database files exist in correct locations

E. Backup sets containing both data files and archive logs are created.

EL 0 DATABASE;To enable block change tracking after the incremental level 0 backup, you issued this command:SQL > ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘ /mydir/rman_change_track.f’;To perform an incremental level 1 cumulative backup, you issued this command:RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;Which three statements are true？（）

A. Backup change tracking will sometimes reduce I/O performed during cumulative incremental backups.

B. The change tracking file must always be backed up when you perform a full database backup.

C. Block change tracking will always reduce I/O performed during cumulative incremental backups.

D. More than one database block may be read by an incremental backup for a change made to a single block.

E. The incremental level 1 backup that immediately follows the enabling of block change tracking will not read the change tracking file to discover changed blocks.

A. Opening the database in RESTRICTED mode

B. Opening the database with the RESETLOGS option

C. Setting a new DBID for the newly restored database

D. Restoring the server parameter file (SPFILE) to the new host

In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN:RMAN> CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET;RMAN> CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT ‘/home/oracle/disk1/%U‘;RMAN> CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT ‘/home/oracle/disk2/%U‘;You issue the following RMAN command to backup the database:RMAN> RUN2> {3> ALLOCATE CHANNEL ch1 DEVICE TYPE disk;4> BACKUP DATABASE;5> }Which statement is true about the outcome？（）

A. Only one channel is allocated and the backup is created in the flash recovery area

B. Only one channel is allocated and the backup is created in the destination specified for channel 1

C. Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2

D. Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA

You are using a recovery catalog to maintain Recovery Manager (RMAN) backup information for yourproduction database. You have registered your production database and are performing regular backups.Because of a new requirement you have added a few new tablespaces to your production database and youwant them to be included in backups.Identify two options for completing this task. （）(Choose two.)

A. Reregistering the target database in recovery catalog

B. Transporting the new tablespaces to the recovery catalog database

C. Syncronizing the recovery catalog with the target database control file

D. Performing a fresh backup of the target database to include the new data files in the catalog database