hich of the following RMAN structures can data from a datafile span?（）

A .  a list of files that require a backup within three days B .  a list of files that have not been backed up for three days C .  a list of files that RMAN recommends be backed up only once in every three days， based on low volatility D .  a list of files for which a backup has already been performed and may need a backup after three day

A . Database datafiles B . Control files C . Online redo logs D . Database pfiles E . Archived redo log

A .  After two days， the backup will be marked obsolete. B .  After two days， the backup will be deleted from the media. C .  If the RMAN repository has records of two or more recent backups of a file， then the older backup will be deleted from the media. D .  If the RMAN repository has records of two or more recent backups of a file， then the older backup will be marked obsolete.

A .  RMAN backup-set pieces spanning backup sets B .  RMAN backup-set pieces within a given backup set C .  RMAN backups D .  RMAN channels E .  None of the above

A .  A list of files that require a backup within 3 days B .  A list of files requiring more than 3 days of archivelogs to apply C .  A list of files that RMAN recommends be backed up only once in every three days，based on low volatility D .  A list of files for which a backup as already been performed in the last three days and which is  required to be backed up again based on the high number of transactions performed on them

A . It detects corrupt blocks. B . It performs only offline database backups. C . It omits empty blocks during backups. D . It performs tablespace point-in-time recovery （TSPITR）.

A .  Database datafiles B .  Control files C .  Online redo logs D .  Database pfiles E .  Archived redo log

A .  a list of files that require a backup within three days B .  a list of files requiring more than 3 days of archive logs to apply C .  a list of files that RMAN recommends be backed up only once in every three days，based on low volatility D .  a list of files for which a backup has already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

A . It improves usability by enabling you to reuse the scripts to perform recovery operations. B . It detects block corruption while restoration and recovery operations. C . It enables you to perform block media recovery. D . It is capable to recover through unrecoverable operations， with only full database backups.

A . The database is in NOMOUNT state. B . The database is in ARCHIVELOG mode and the tablespace is online. C . The database is in ARCHIVELOG mode and the tablespace is offline. D . The database is in NOARCHIVELOG mode and the tablespace is online. E . The database is in NOARCHIVELOG mode and the tablespace is offline.

A . A list of files that require a backup within 3 days B . A list of files requiring more than 3 days of archivelogs to apply C . A list of files that RMAN recommends be backed up only once in every three days, based on low volatility D . A list of files for which a backup as already been performed in the last three days and which is required to be backed up again based on the high number of transactions performed on them

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 .  The database is in NOMOUNT state. B .  The database is in NOARCHIVELOG mode and the tablespace is online. C .  The database is in NOARCHIVELOG mode and the tablespace is offline. D .  The database is in ARCHIVELOG mode and the tablespace is offline. E .  The database is in ARCHIVELOG mode and the tablespace is online.

A .  The data file is checked for physical corruption and backed up if found clean. B .  The backup of data file 5 is performed and the interactive messages during the backup are suppressed. C .  The existing backup for the data file is checked and the backup is performed if there are changes in the data file after the last backup. D .  The backup of data file 5 is performed and all SQL statements that are executed during RMAN compilation and their results are displayed

A .  An incremental backup strategy will be used automatically. B .  Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria. C .  RMAN will configure itself for maximum performance at the cost of CPU. D .  RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database. E .  RMAN will automatically compress backups.

A . a list of files that require a backup within three days B . a list of files that have not been backed up for three days C . a list of files that RMAN recommends be backed up only once in every three days， based on low volatility D . a list of files for which a backup has already been performed and may need a backup after three day

A .  By using the trace file. B .  By using the alert log file. C .  By using the database ID D .  By using the server parameter file. E .  By using the V$CONTROLFILE view. F .  By using the autobackup format configuration setting.

A . The execution of the script fails because multiple channels cannot coexist. B . The script is executed and both the channels are used for the script execution. C . The new channel, CHI, is Ignored because a channel has been configured already. D . ration parameter DC1 is overridden because a new channel is allocated in RMAN RUN block.

A . The data file is checked for physical corruption and backed up if found clean. B . The backup of data file 5 is performed and the interactive messages during the backup are suppressed. C . The existing backup for the data file is checked and the backup is performed if there are changes in the data file after the last backup. D . The backup of data file 5 is performed and all SQL statements that are executed during RMAN compilation and their results are displayed

A . The data file is checked for physical corruption and backed up if found clean. B . The backup of data file 5 is performed and the interactive messages during the backup are suppressed. C . The existing backup for the data file is checked and the backup is performed if there are changes in the data file after the last backup. D . The backup of data file 5 is performed and all SQL statements that are executed during RMAN compilation and their results are displayed

Ｗhich of the following is related to higher-quality marriages？() A.Financial security. B.An opulent weddin C.Desire for consistency. D.All of above