Examine the following RMAN script：   RMAN> run { debug on；  allocate channel c1 type disk； backup datafile 5； }   Which statement describes the purpose of the script？（）  

A . Another repair session is running concurrently. B . The failure ID has not been mentioned in the command for data file 5. C . There are new failures recorded in the Automatic Diagnostic Repository (ADR). D . The ADVISE FAILURE command has not been issued before the REPAIR FAILURE command.

A . The target database must be open. B . The target database must be closed. C . The target database must be mounted. D . The target database must be mounted or open.

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 . Provide a password for the encryption B . Set up an Oracle wallet for the encryption C . No setup is required as it is a default encryption method D . Both Oracle wallet and password must be set up for the encryptio

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 .  Provide a password for the encryption B .  Set up an Oracle wallet for the encryption C .  No setup is required as it is a default encryption method D .  Both Oracle wallet and password must be set up for the encryptio

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 . 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 . 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 . RESTORE DATAFILE ’/DISK2/user_data01.dbf’ B . RESTORE DATAFILE ’/DISK3/user_data01.dbf’ C . SET NEWNAME FOR ’/DISK3/user_data01.dbf’ TO’/DISK2/user_data01.dbf’ D . SET NEWNAME FOR ’/DISK2/user_data01.dbf’ TO’/DISK3/user_data01.dbf&rsquo

A . Provide a password for the encryption B . Set up an Oracle wallet for the encryption C . No setup is required as it is a default encryption method D . Both Oracle wallet and password must be set up for the encryptio

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 .  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 . 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 . 4 B . 8 C . 7 D . 0

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 . 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. Provide a password for the encryption B. Set up an Oracle wallet for the encryption C. No setup is required as it is a default encryption method D. Both Oracle wallet and password must be set up for the encryption

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/31f166c0cedddf6946f2b336e2153075.jpg' /> A. The command performs the recovery and closes the failures. B. The command only displays the advice and the RMAN script required for repair. C. The command produces an error because the ADVISE FAILURE command has not been executed before the REPAIR FAILURE command. D. The command executes the RMAN script to repair the failure and removes the entry from the Automatic Diagnostic Repository (ADR).

A. Because the progress is reported for each data file B. Because the progress is reported for each backup set C. Because other RMAN sessions have issued the same BACKUP command D. Because new data files have been added to the database while the RMAN backup is in progress