Which RMAN command is used to verify the status of a backup or copy， and also updates the repository when files have been deleted using operating system commands？（）

A . LIST B . CHANGE C . CATALOG D . CROSSCHECK

A . The BZIP2 compression algorithm consumes more CPU resources than the ZLIB compression algorithm. B . The ZLIB compression algorithm consumes more CPU resources than the BZIP2 compression algorithm. C . The ZLIB compression algorithm provides maximum compression and produces smaller backups than the BZIP2 compression algorithm. D . Only the BZIP2 compression algorithm can be used to make compressed backups to disk.

A .  BACKUP AS COMPRESSED BACKUPSET DATABASE B .  BACKUP AS COMPRESSED COPY OF DATABASE C .  CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET D .  CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS  E .  BACKUP DATABASE COMPRESS

A .  To create and execute an RMAN stored script，you must use a recovery catalog. B .  When executing a stored script and a command fails，the remainder of the script is executed，and a message is written to the alert log file. C .  RMAN stored scripts can always be executed against any target database that is registered in the recovery catalog. D .  When you execute a stored script，it always executes using the persistent channel settings previously set with the CONFIGURE command.

A . Stored scripts in the recovery catalog B . Backups that can be deleted from disk C . Backup sets and images copies that are obsolete D . Backups that do not have the AVAILABLE status in the RMAN repository

A .  A different procedure is required to restore a database from compressed backups B .  The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed  backup sets and image copies. C .  Using this command to create backups minimizes the bandwidth consumed D .  Using this command to create backups improves the performance of the backup proce

A . backups that can be deleted B . stored scripts in the recovery catalog C . backup sets and image copies that are obsolete D . only the most recent backup sets or image copies E . backups that do not have the AVAILABLE status in RMAN repository

A . NOCHECKSUM B . MAXCORRUPT C . CHECK LOGICAL D . BACKUP INCREMENTAL E . CONFIGURE DEVICE TYPE ... PARALLELISM

A . stored scripts in the recovery catalog. B . backups that can be deleted from disk. C . backup sets and image copies are obsolete. D . backups that do not have the AVAILABLE status in the RMAN repository.

A .  stored scripts in the recovery catalog B .  backups that can be deleted from disk C .  backup sets and image copies are obsolete D .  backups that do not have the AVAILABLE status in the RMAN repository

A . A different procedure is required to restore a database from compressed backups  B . The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.  C . Using this command to create backups minimizes the bandwidth consumed. D . Using this command to create backups improves the performance of the backup process&e

A . After the COPY command. B . After adding a data file in the target database. C . After adding a tablespace in the target database. D . After adding a tablespace in the catalog database. E . After dropping a data file in the catalog database. F . After running SQL Loader to load a large amount of data.

A . back up the control file to trace B . bring database to the MOUNT state C . open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database D . set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

A . data files B . backup sets C . control files D . archived redo log file

A .  When a successful backup is recorded in the RMAN repository， then a backup of the current control file is performed. B .  When a structural change is made to the database， then a backup of the current control file is performed. C .  When a successful backup is performed in the RMAN repository， then a backup of the spfile is performed. D .  When a structural change is made to the database， then a backup of the alert log file will be performed.

A . Only data files and the control file are backed up. B . Archived redo logs are backed up only I f the database is open during the backup. C . The backup is deleted after one day, regardless of the default retention policy settings. D . The backup becomes obsolete after one day, regardless of the default retention policy settings.

A .  alter database create block change tracking file B .  alter database enable block change file C .  alter database enable block change tracking using file ，/ora01/opt/ block_change_tracking.fil D .  alter system enable block change tracking using file ’/ora01/opt/block_ change_tracking.fil’ E .  alter system block change tracking o

A .  back up the control file to trace B .  bring database to the MOUNT state C .  open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database D .  set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

A .  It will display a list of files that need incremental backup. B .  It will display a list of files that need backup after five days. C .  It will display a list of files that were backed up in the last five days. D .  It will display a list of files that have not been backed up in the last five days. E .  It will apply the current retention policy to determine the files that need to be backed up.

A .  restore B .  repair C .  copy D .  recover E .  replace

A . stored scripts in the recovery catalog B . backups that can be deleted from disk C . backup sets and image copies are obsolete D . backups that do not have the AVAILABLE status in the RMAN repository RMAN

A .  Only data files and the control file are backed up. B .  Archived redo logs are backed up only if the database is open during the backup. C .  The backup is deleted after one day，regardless of the default retention policy settings.  D .  The backup becomes obsolete after one day，regardless of the default retention policy settings.

A . data file B . password file C . archivelog file D . temporary file E . online redo log file F . the current control file G . the tnsnames.ora file H . current server parameter file

A . A different procedure is required to restore a database from compressed backups B . The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies. C . Using this command to create backups minimizes the bandwidth consumed D . Using this command to create backups improves the performance of the backup proce