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单选题
Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning， media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday.What would you do in this situation？（）
A
recover using Oracle Flashback Database technology
B
restore the data files from backup and perform a complete recovery
C
restore only the corrupted data file and perform tablespace recovery
D
restore the data files from backup and perform cancelbased recovery
E
restore the entire database from the most recent backup and start the instance and open the database
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更多 “单选题Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning， media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday.What would you do in this situation？（）A recover using Oracle Flashback Database technologyB restore the data files from backup and perform a complete recoveryC restore only the corrupted data file and perform tablespace recoveryD restore the data files from backup and perform cancelbased recoveryE restore the entire database from the most recent backup and start the instance and open the database” 相关考题
考题
Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup. What would you do to recover the data file（）A、Take the USERS tablespace offline and re-create the lost data file.B、Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.C、Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.D、Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online
考题
A data file became corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）A、flash back all the tables in the data file， one by oneB、restore the data file to a new location and perform a media recoveryC、flash back the database; there is no need to restore the data fileD、restore the data file from the most recent backup and flash back the database
考题
You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Thursday morning， you find that an important table has been dropped and purged. With reference to this scenario， up to what point in time can the data be recovered？（）A、 until Thursday morningB、 until that point in time when the database is openedC、 until that point in time when the recovery is performedD、 until last Sunday’s backupE、 until that point in time when the table is dropped and purgedF、 until Wednesday evening
考题
Your database is open and running in ARCHIVELOG mode. You take RMAN full backups every Sunday night. On Monday morning， while querying the user1.employees table， you receive the following error message： 01578： ORACLE data block corrupted （file # 5， block # 51） ORA-01110： data file 5： ’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following： The data file should remain online. The mean time to recover （MTTR） should be minimal. You are not using a backup control file， and all the archived logs are accessible. Which option would you choose？（）A、flash back the corrupted blocksB、use the DBMS_REPAIR packageC、use the RMAN TSPITR commandD、use the RMAN BLOCKRECOVER commandE、use the RESTORE DATABASE and RECOVER DATABASE commandsF、investigate the time at which the corruption occurred and perform a point-in-time recovery
考题
Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning，media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday. What would you do in this situation？（）A、recover using Oracle Flashback Database technologyB、restore the data files from backup and perform a complete recoveryC、restore only the corrupted data file and perform tablespace recoveryD、restore the data files from backup and perform cancel-based recoveryE、restore the entire database from the most recent backup and start the instance and open the database
考题
You work as a database administrator at Certkiller .com. Your database is open and running in ARCHIVELOGmode. You take RMANfull backups every Sunday night. On Monday morning， while querying the user1.employeestable， you receive the following error message： 01578： ORACLE data block corrupted （file # 5， block # 51） ORA-01110： data file 5：’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following： The data file should remain online. The mean time to recover （MTTR） should be minimal. You are not using a backup control file and all the archived logs are accessible. Which option would you choose？（）A、 flash back the corrupted blocksB、 use the DBMS_REPAIR packageC、 use the RMAN TSPITR commandD、 use the RMAN BLOCKRECOVER commandE、 use the RESTORE DATABASE and RECOVER DATABASE commandsF、 investigate the time at which the corruption occurred and perform a point-in-time recovery
考题
You are managing an Oracle Database 11g database. The database is open， and you plan to perform Recovery Manager （RMAN） backups. Which three statements are true about these backups（）A、The backups would be consistent.B、The backups would be inconsistent.C、The backups would be possible only if the database is running in ARCHIVELOG mode.D、The backups would be possible only if the database is running in NOARCHIVELOG mode.E、The backups need to be restored and the database has to be recovered in case of a media failure
考题
Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERStablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten since the last backup. What would you do to recover the data file（）A、Take the USERS tablespace offline and re-create the lost data file.B、Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.C、Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.D、Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online.
考题
You work as a database administrator for Certkiller .com. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）A、Restore all the data files and open the databaseB、Create the data file and performtablespacerecoveryC、No need to restore any file， just recover the databaseD、Restore only the system data file and recover the databaseE、Restore only lost date file and performtablespacerecovery
考题
A data file become corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）A、 Flash back all the tables in the data file， one by one.B、 Restore the data file to a new location and perform a media recovery.C、 Flash back the database， there is no need to restore the data file.D、 Restore the data file from the most recent backup and flash the database.
考题
You are performing a block media recovery on the tools01.dbf data file in the SALES database using RMAN. Which two statements are correct in this scenario？（）A、 You must ensure that the SALES database is mounted or open.B、 You must restore a backup control file to perform a block media recovery.C、 You must take the tools01.dbf data file offline before you start a block media recovery.D、 You must put the database in NOARCHIVELOG mode to perform a block media recovery.E、 You can perform only a complete media recovery of individual blocks， point-in-time recovery of individual data blocks is not supported.
考题
Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning， media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday.What would you do in this situation？（）A、recover using Oracle Flashback Database technologyB、restore the data files from backup and perform a complete recoveryC、restore only the corrupted data file and perform tablespace recoveryD、restore the data files from backup and perform cancelbased recoveryE、restore the entire database from the most recent backup and start the instance and open the database
考题
You lost a data file that belongs to an index tablespace in your database， which operates in ARCHIVELOG mode. Loss of the data file resulted in increased response time on your queries. Which two options would you use to solve this problem？ （）A、 Restore the lost data file from the backup， and then flash back the database.B、 Restore the data file pertaining to index tablespace， and then recover the tablespace.C、 Restore all the data files， and then perform an incomplete recovery to get the tablespace back.D、 Restore all the data files， and then perform an incomplete recovery using the backup control file.E、 Drop and re-create the index tablespace， and then re-create all of the indexes in that tablespace.
考题
You are managing an Oracle Database 11g database. The database is open， and you plan to performRecovery Manager （RMAN） backups. Which three statements are true about these backups（）A、The backups would be consistent. B、The backups would be inconsistent.C、The backups would be possible only if the database is running in ARCHIVELOG mode.D、The backups would be possible only if the database is running in NOARCHIVELOG mode.E、The backups need to be restored and the database has to be recovered in case of a media failure.
考题
单选题You work as a database administrator at Certkiller .com. Your database is open and running in ARCHIVELOGmode. You take RMANfull backups every Sunday night. On Monday morning， while querying the user1.employeestable， you receive the following error message： 01578： ORACLE data block corrupted （file # 5， block # 51） ORA-01110： data file 5：’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following： The data file should remain online. The mean time to recover （MTTR） should be minimal. You are not using a backup control file and all the archived logs are accessible. Which option would you choose？（）A
flash back the corrupted blocksB
use the DBMS_REPAIR packageC
use the RMAN TSPITR commandD
use the RMAN BLOCKRECOVER commandE
use the RESTORE DATABASE and RECOVER DATABASE commandsF
investigate the time at which the corruption occurred and perform a point-in-time recovery
考题
单选题Your database is open and running in ARCHIVELOG mode. You take RMAN full backups every Sunday night. On Monday morning， while querying the user1.employees table， you receive the following error message： 01578： ORACLE data block corrupted （file # 5， block # 51） ORA/x7f01110： data file 5： ’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following： The data file should remain online. The mean time to recover （MTTR） should be minimal. You are not using a backup control file， and all the archived logs are accessible. Which option would you choose？（）A
flash back the corrupted blocksB
use the DBMS_REPAIR packageC
use the RMAN TSPITR commandD
use the RMAN BLOCKRECOVER commandE
use the RESTORE DATABASE and RECOVER DATABASE commandsF
investigate the time at which the corruption occurred and perform a pointintime recovery
考题
单选题You are operating your database in NOARCHIVELOG mode. Your most recent backup includes a copy of all of the data files and the control files taken when the current log sequence number was 45. You experience disk failure on the drive on which your SYSTEM tablespace data files are stored. At the time of the failure， the current log sequence number is 98. Which files should you restore to recover from the loss of the SYSTEM tablespace data files？（）A
Only the data files.B
All of the data files and the control files.C
Only the data files belonging to the SYSTEM tablespace.D
Only the data files belonging to the SYSTEM tablespace and the control files.
考题
多选题You are managing an Oracle Database 11g database. The database is open， and you plan to performRecovery Manager （RMAN） backups. Which three statements are true about these backups（）AThe backups would be consistent.BThe backups would be inconsistent.CThe backups would be possible only if the database is running in ARCHIVELOG mode.DThe backups would be possible only if the database is running in NOARCHIVELOG mode.EThe backups need to be restored and the database has to be recovered in case of a media failure.
考题
单选题You work as a database administrator for Supportcenter.cn. Your database is in NOARCHIVELOG mode. The database has been configured with three redo logs groups， and there have been five log switches. You lost one non-system-critical data file from your database. Which method would you use to recover the data file？（）A
Restore all the data files and open the databaseB
Create the data file and perform tablespace recoveryC
No need to restore any file， just recover the databaseD
Restore only the system data file and recover the databaseE
Restore only lost date file and performtablespacerecovery
考题
单选题Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERStablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten since the last backup. What would you do to recover the data file（）A
Take the USERS tablespace offline and re-create the lost data file.B
Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.C
Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.D
Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online.
考题
单选题Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the USERS tablespace is lost due to a media failure. You notice that all the online redo logs have been overwritten sincethe last backup. What would you do to recover the data file（）A
Take the USERS tablespace offline and re-create the lost data file.B
Shut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.C
Shut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.D
Take the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online
考题
单选题Your database operates in ARCHIVELOG mode and user/x7fmanaged consistent backups are performed every Sunday night. On Tuesday， at 9：00 a.m. the current log sequence number was 369. Also， on Tuesday you lost the data file belonging to the SYSTEM tablespace and an archivelog file （sequence number 356） that contained redo entries between 8：00 a.m. and 8：30 a.m. With reference to this scenario， what would you do to recover the database？（）A
restore all the data files from last Sunday’s backup， and then perform a timebased recoveryB
restore all the data files from last Sunday’s backup， and then perform a cancelbased recoveryC
restore all the data files from last Sunday’s backup， and then perform a changebased recoveryD
restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup， and then perform a complete recovery
考题
单选题A data file became corrupted in your database due to bad sectors on the disk. Because of corruption， you lost all the important tables in that data file. Which method would you use for recovery？（）A
flash back all the tables in the data file， one by oneB
restore the data file to a new location and perform a media recoveryC
flash back the database; there is no need to restore the data fileD
restore the data file from the most recent backup and flash back the database
考题
单选题You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user-managed consistent backups are performed every Sunday night. On Thursday morning， you find that an important table has been dropped and purged. With reference to this scenario， up to what point in time can the data be recovered？（）A
until Thursday morningB
until that point in time when the database is openedC
until that point in time when the recovery is performedD
until last Sunday’s backupE
until that point in time when the table is dropped and purgedF
until Wednesday evening
考题
单选题You have only two redo log groups and these groups get overwritten several times in a day. Your database operates in NOARCHIVELOG mode and user/x7fmanaged consistent backups are performed every Sunday night. On Thursday morning， you find that an important table has been dropped and purged. With reference to this scenario， up to what point in time can the data be recovered？（）A
until Thursday morningB
until last Sunday’s backupC
until Wednesday eveningD
until that point in time when the database is openedE
until that point in time when the recovery is performedF
until that point in time when the table is dropped and purged
考题
单选题Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning， media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday. What would you do in this situation？（）A
recover using Oracle Flashback Database technologyB
restore the data files from backup and perform a complete recoveryC
restore only the corrupted data file and perform tablespace recoveryD
restore the data files from backup and perform cancel-based recoveryE
restore the entire database from the most recent backup and start the instance and open the database
考题
多选题You are performing a block media recovery on the tools01.dbf data file in the SALES database by using RMAN. Which two statements are correct in this scenario？（）AYou must ensure that the SALES database is mounted or open.BYou must restore a backup control file to perform a block media recovery.CYou must take the tools01.dbf data file offline before you start a block media recovery.DYou must put the database in NOARCHIVELOG mode to perform a block media recovery.EYou can perform only a complete media recovery of individual blocks； point-in-time recovery of individual data blocks is not supported.
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