Examine the following RMAN command：   RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON； RMAN> BACKUP DATABASE PLUS ARCHIVELOG；   Which prerequisite must be met before accomplishing the backup？（）

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• View the Exhibit to examine the error while executing the REPAIR FAILURE command in an RMAN session.What is the reason for this error?（）https://assets.asklib.com/images/image2/2018080213572340869.png

  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.

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• Examine this statement：  RMAN >BACKUP FORMAT ’/BACKUP/df_%d_%s_%p.bus1 DATABASE filesperset = 2；  What state must the target database be in for you to use this RMAN 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.

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• Examine the following RMAN command: RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON; RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Which prerequisite must be met before accomplishing the backup?（）

  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

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• You executed the following command in the Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

  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

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• Which of the following statement is incorrect regarding RMAN？（）

  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）.

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• Which of the following files cannot be backed up by RMAN？（）

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

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• Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?（）

  A . It cancels all pending disk drops within the disk group. B . It restores disks that are being dropped as the result of a DROP DISKGROUP operation C . It mounts disks in the disk group for which the drop-disk operation has already been co pleted D . It restores all the dropped disks in the disk group for which the drop-disk operation has already been completed E . It adds previously dropped disks back into the disk grou

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• You executed the following command in Recovery Manager （RMAN）：   RMAN> REPORT NEED BACKUP days 3；   What is the output of this command？（）  

  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

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• Which of the following statements is NOT true about RMAN？（）

  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.

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• You executed the following command in the Recovery Manager (RMAN): RMAN> REPORT NEED BACKUP days 3; What is the output of this command?（）

  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

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• You issued the following RMAN command：  RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON；     What is NOT an impact of using the above command？（）

  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.

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• Examine the following RMAN command: https://assets.asklib.com/images/image2/201808021135212163.jpg Which two statements are true regarding the backup taken by using the above RMAN command?（）

  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.

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• 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 .  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

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• Examine the RMAN command： SWITCH DATAFILE ’/DISK3/user_data01.dbf’； Which command do you need to issue before you issue the above command， so that RMAN finds the file in the restored location of ’DISK2/user_data01.dbf’？ （）

  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

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• Examine the following RMAN command:RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON;RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which prerequisite must be met before accomplishing the backup?（）

  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

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• Examine the following set of RMAN commands: https://assets.asklib.com/images/image2/2018080210170026958.jpg Which statement is true when the RMAN RUN block Is executed?（）

  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.

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• You issue the following command on the RMAN prompt.   RMAN> REPORT NEED BACKUP DAYS = 5 DATABASE；   Which statement is true about executing this command？（）

  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.

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• Examine the following RMAN script: https://assets.asklib.com/images/image2/2018080215330499234.jpg Which statement describes the purpose of the script?（）

  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

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• View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation: https://assets.asklib.com/images/image2/2018080215274892659.jpg What is the multiplexing level in the preceding backup process（）

  A . 4 B . 8 C . 7 D . 0

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• Examine the following RMAN command：   BACKUP DATABASE TAG TESTDB  KEEP UNTIL ’SYSDATE+1’ RESTORE POINT TESTDB06；   Which two statements are true regarding the backup taken by using the above RMAN command？（）  

  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.

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• 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 . 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

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• Examine the following RMAN command:RMAN>CONFIGURE ENCRYPTION FOR DATABASE ON;RMAN>BACKUP DATABASE PLUS ARCHIVELOG;Which prerequisite must be met before accomplishing the backup？（）

  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

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• View the Exhibit to examine the error during the database startup.You open an RMAN session for the database instance. To repair the failure, you executed the following as the first command in the RMAN session:RMAN＞ REPAIR FAILURE;Which statement describes the consequence of the command？（）

  <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).

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• View the Exhibit and examine the output of the query in different times when the following command runs in an RMAN sessions:RMAN＞ BACKUP DATABASE FILESPERSET 2;The database has seven data files.Why is the %_COMPLETE refreshed to 13.59 in the third output afterreaching 88.77？（）

  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

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