In RMAN， when the RESYNC CATALOG command is issued， in which two situations does the command file actually perform synchronization？（）

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• Your database is running in ARCHIVELOG mode,and the database is open. You execute an RMAN backup and specify the KEEP clause.Which components are backed up when this option is specified?（）

  A . only the control file, the current SPFILE, and data files B . only the current SPFILE and data files if autobackup is disabled C . only the data files and the archived redo logs D . the control file, current SPFILE file, data files, and archived redo log

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• RMAN enables you to open the target database when it is already mounted. Which command must you execute at the RMAN prompt to open the database？（）

  A . ’SQL ALTER DATABASE OPEN’； B . SQL ALTER DATABASE ’OPEN’； C . OPEN DATABASE； D . DATABASE OPEN

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• Using the LIST command in Recovery Manager (RMAN), which two pieces of information from the RMAN repository can be listed?（）

  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

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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 observe that the senior database administrator always uses the following command when connecting to Recovery Manager （RMAN）， and then starts executing commands to backup the database files：  $ rman target /  What would be the effect of this command？（）

  A . RMAN would use the current operating system location to place the backup. B . RMAN would use the control file of the target database to maintain the backup. C . RMAN would use the recovery catalog of the target database to maintain the backup. D . RMAN would use the control file of the target database to maintain the backup metadata.  E . RMAN would use the recovery catalog of the target database to maintain the backup metadata.

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• Using the LIST command in Recovery Manager （RMAN）， which two pieces of information from the RMAN repository can be listed？ （）

  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

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• When performing recover of a database in NOARCHIVELOG mode with RMAN， the target database must be in the （） state to restore the control file.

  A . OPEN B . IDLE C . MOUNT D . NOMOUNT

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• Which of the following are valid until command options when attempting point-in-time recovery in RMAN？（）

  A .  until time B .  until change C .  until sequence D .  until SCN E .  until commit

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• When performing a backup using Recovery Manager （RMAN）， which four types of files can be backed up with the RMAN BACKUPcommand？ （）

  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

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• Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups.  Which two backups would you be able to perform when the database is being accessed by users？（）

  A . backup of offline tablespaces B . backup of read­only tablespaces C . backup of system­critical tablespaces D . backup of online， locally managed tablespaces E . backup of read/write dictionary­managed tablespace

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• Using the LIST command in Recovery Manager （RMAN），which two pieces of information in the RMAN repository can be listed？（） 

  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

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• The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database：  RMAN> REPORT OBSOLETE;  What would you see in the output？（）

  A . a list of all the expired backups and copies B . a list of all those files that have been deleted in the last two days C . a list of all those files that have been recovered within the last two days D . a list of backups and copies that are outside the range covered by the current retention policy

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• Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager （RMAN） to perform backups. Which two backups would you be able to perform when the database is being accessed by users？（）

  A .  Backup of offline tablespaces. B .  Backup of read-only tablespaces. C .  Backup of system-critical tablespaces. D .  Backup of online， locally managed tablespaces. E .  Backup of read/write dictionary-managed tablespaces.

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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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• The humidifier’s valve of air-conditioner should be （）, when the temperature is 5~8°C in the winter.

  A . decreased B . increased C . fixed D . closed

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• Your database is running in ARCHIVELOG mode， and the database is open. You execute an RMAN backup and specify the KEEP clause.  Which components are backed up when this option is specified？（）  

  A .  only the control file， the current SPFILE， and data files B .  only the current SPFILE and data files if autobackup is disabled C .  only the data files and the archived redo logs D .  the control file，current SPFILE file，data files，and archived redo log

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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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• When issuing the CROSSCHECK command in RMAN， if a backup file CANNOT be found， to what status is that file set？（）

  A . DELETED B . OBSOLETE C . EXPIRED D . UNKNOWN

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• When CONFIGURE CONTROLFILE AUTOBACKUP is set to ON， RMAN automatically performs a control file autobackup in which three situations？（）

  A . At the end of every RUN block.  B . After every SET CONTROLFILE AUTOBACKUP FORMAT command.  C . After every BACKUP or COPY command issued at the RMAN prompt.  D . At the end of every RUN block if the last command in the block was either BACKUP or COPY.  E . Whenever a BACKUP or COPY command within a RUN block is followed by a command that is neither BACKUP nor COPY.  F . After every BACKUP or COPY command within a RUN block that is followed by the CONFIGURE CONTROLFILE AUTOBACKUP FORMAT command.

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• How would you grant the RVPC user access to specific RMAN database records in the RMAN virtual private catalog？（）  

  A .  Issue the grant command from the SYS user （or equivalent） of the target database. B .  Issue the grant command from the SYS user （or equivalent） of the recovery-catalog database. C .  Issue the grant command from the recovery catalog-owning schema user account in the recovery catalog. D .  Issue the grant command from RMAN when connected to the recovery catalog-owning schema. E .  Issue the grant command from RMAN when connected to the target database.

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• When performing a backup using Recovery Manager （RMAN）， which four types of files can be backed up with the RMAN BACKUP command？（）

  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

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• According to the passage, when could people start using a maglev commerciaily？A.In 5 years. B.In 10 years.C.In 20 years.D.In more than 20 years.

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• It ws in the street ______ I met John yesterdy.whereB．whichC．thtD．whenIt ws in the street ______ I met John yesterdy.where B．which C．tht D．when

  A．where B．which C．that D．when

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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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