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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 blocks
- B、use the DBMS_REPAIR package
- C、use the RMAN TSPITR command
- D、use the RMAN BLOCKRECOVER command
- E、use the RESTORE DATABASE and RECOVER DATABASE commands
- F、investigate the time at which the corruption occurred and perform a pointintime recovery
参考答案
更多 “ 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” 相关考题
考题
You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).Which two are the prerequisites to perform this operation?()
A. You must configure block change tracking fileB. You must have first level 1 backups for RMAN to restore blocksC. You must ensure that the SALES database is mounted or openD. You must have full or level 0 backups for RMAN to restore blocksE. You must take the tools01.dbf data file offline before you start a block media recovery
考题
You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN).Which two are the prerequisites to perform this operation? ()(Choose two)
A. You must configure block change tracking fileB. You must have first level 1 backups for RMAN to restore blocksC. You must ensure that the SALES database is mounted or openD. You must have full or level 0 backups for RMAN to restore blocksE. You must take the tools01.dbf data file offline before you start a block media recovery
考题
Your production database is running in archivelog mode and you are using recovery manager (RMAN) with recovery catalog to perform the database backup at regular intervals. When you attempt to restart the database instance after a regular maintenance task on Sunday, the database fails to open displaying the message that the data file belonging to the users tablespace are corrupted. The steps to recover the damaged data files are follows: 1. Mount the database 2. Open the database 3. Recover the data file 4. Restore the data file 5. Make the data file offline 6. Make the data file online Which option identifies the correct sequence that you must use to recover the data files?（）A、2, 4, 3B、1, 4, 3, 2C、2, 5, 4, 3, 6D、5, 2, 4, 3, 6E、1, 5, 4, 3, 6, 2
考题
While working on the database， you receive the following error： 01578： ORACLE data block corrupted （file# 6， block # 54） ORA-01110 ： data file 6： ’u01/oracle/oradata/data1.dbf’ You decide to recover the corrupted data block by using the Block Media Recovery feature. Which option is NOT a disadvantage of using block media recovery？（）A、 Block Media Recovery must be used with RMAN.B、 You must perform complete recovery of individual blocks.C、 You must have a full RMAN backup， not an incremental backup.D、 You must use the DBVERIFY utility before using the Block Media Recovery feature.
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
You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN). Which two are the prerequisites to perform this operation? （）(Choose two)A、You must configure block change tracking fileB、You must have first level 1 backups for RMAN to restore blocksC、You must ensure that the SALES database is mounted or openD、You must have full or level 0 backups for RMAN to restore blocksE、You must take the tools01.dbf data file offline before you start a block media recovery
考题
Your production database is running in archivelog mode and you are using recovery manager （RMAN） with recovery catalog to perform the database backup at regular intervals. When you attempt to restart the database instance after a regular maintenance task on Sunday， the database fails to open displaying the message that the data file belonging to the users tablespace are corrupted. The steps to recover the damaged data files are follows： 1. Mount the database 2. Open the database 3. Recover the data file 4. Restore the data file 5. Make the data file offline 6. Make the data file online Which option identifies the correct sequence that you must use to recover the data files？（）A、 2，4，3B、 1，4，3，2C、 2，5，4，3，6D、 5，2，4，3，6E、 1，5，4，3，6，2
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
Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）A、 when you change the name of a datafileB、 when you drop a table from the databaseC、 when you take an export of the databaseD、 when you back up the database using OS utilitiesE、 when you issue an ALTER SYSTEM SWITCH LOGFILE statementF、 when you issue a BACKUP command from inside the RMAN run block
考题
You issued the following command to analyze the SCOTT.EMP table for block corruption： ANALYZE TABLE SCOTT.EMP VALIDATE STRUCTURE； You received the following error： ORA-01578： ORACLE data block corrupted （file # %s， block # %s） How will you resolve the block corruption problem？（）A、 by using the DBMS_REPAIR packageB、 by using the DB_BLOCK_CHECKING parameterC、 by using the DBVERIFY utilityD、 will not be completely resolved until the hardware fault is corrected
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
While querying the EMPLOYEES table， you receive an ORA-01578 message indicating block corruption in File# 1201 and Block# 1968. You analyze the table and the corruption is verified. Which RMAN command do you use to perform BMR and repair the corrupt block？（） A、 RECOVER FILE=1201 BLOCK=1968B、 RECOVER CORRUPTION LISTC、 RECOVER DATAFILE 1201 BLOCK 1968D、 RECOVER BLOCK CORRUPTION LISTE、 None of the above
考题
Another DBA issues a shutdown abort command on a database on which you were running an online backup. What will happen when you try to restart the database？（） A、 Oracle will automatically take the datafile out of hot backup mode，generate a warning message，and then open the database.B、 Oracle will automatically take the datafile out of hot backup mode and then open the database.C、 Oracle will generate an error when trying to open the database，indicating that a datafile is in hot backup mode.You will need to correct this error before you can open the database.D、 The database will open with the file in hot backup mode. You can restart the backup at any time.E、 The datafile in hot backup mode will be corrupted and you will have to recover it.
考题
Your database is in ARCHIVELOG mode. On Friday evening， you perform an online database backup by using the BACKUP DATABASE command at the Recovery Manager （RMAN） prompt and close the database. On Monday， the System Administrator informs you about the failure of two hard disks. One of the lost disks contains two datafiles， HR1.DBF and HR2.DBF， both of which belong to a read/write tablespace named HR. The disk also contains a datafile， USERS.DBF， which belongs to a read/write tablespace named USERS. You need to restore and recover the database backup that was performed on Friday evening. After mounting the database， you issue the following RMAN commands： RMANRESTORE DATABASE； RMANRECOVER DATABASE； After successfully executing these RMAN commands， you issue the following statement using SQL*Plus： SQLALTER DATABASE OPEN； You receive the following errors when attempting to open the database： ORA-01157： cannot identify/lock data file 10 see DBWR trace file ORA-01110： data file 10： ’D:///USERS.DBF’ What is the cause of these errors？（）A、 The USERS.DBF datafile is corrupted and cannot be restored by RMAN.B、 The USERS.DBF datafile was not backed up using the RMAN BACKUP DATABASE command.C、 The USERS.DBF datafile was not restored using the RMAN RESTORE DATABASE command.D、 The USERS.DBF datafile was not recovered using the RMAN RECOVER DATABASE command.
考题
You are maintaining your database in Oracle10g. You perform a full user-managed backup every Sunday at 8：00 P.M. Your database is running in ARCHIVELOG mode. On Monday， at 9：00 A.M.， a tablespace is dropped. You decide to perform incomplete recovery to recover the dropped tablespace. Which two clauses can you use with the RECOVER command？（）A、 UNTIL SEQUENCEB、 UNTIL SCNC、 UNTIL CHANGED、 UNTIL CANCEL
考题
You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）A、RMAN reads the block change tracking file only when it performs the incremental level 0 backup.B、RMAN reads the block change tracking file when it performs both incremental backups.C、RMAN reads the block change tracking file only when it performs the incremental level 1 backup.D、RMAN does not read the block change tracking file when it performs either incremental backup.
考题
You received the following error： ORA-01578： ORACLE data block corrupted （file # %s， block # %s） Which file will you check to view additional information regarding the cause of this error？（）A、the alert log file and the trace filesB、 the redo log filesC、 the control fileD、 the change tracking file
考题
You issue the following statement： SQL SELECT FIRSTNAME， LASTNAME FROM HR.EMPLOYEE； You receive the following error： 01578： ORACLE data block corrupted （file# 6， block # 54） ORA-01110 ： data file 6： ’u01/oracle/oradata/data1.dbf’ How will you resolve this problem of data block corruption by reducing the mean time to recover （MTTR）？（）A、 by using the DBMS_REPAIR packageB、 by using the DBVERIFY utilityC、 by using Block Media RecoveryD、 by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command
考题
单选题You issue the following statement： SQL SELECT FIRSTNAME， LASTNAME FROM HR.EMPLOYEE； You receive the following error： 01578： ORACLE data block corrupted （file# 6， block # 54） ORA-01110 ： data file 6： ’u01/oracle/oradata/data1.dbf’ How will you resolve this problem of data block corruption by reducing the mean time to recover （MTTR）？（）A
by using the DBMS_REPAIR packageB
by using the DBVERIFY utilityC
by using Block Media RecoveryD
by issuing the ANALYZE TABLE HR.EMPLOYEES VALIDATE STRUCTURE command
考题
多选题Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt： RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON； After executing this command， in which of the following cases will RMAN make an auto-backup of the control file？ （）Awhen you change the name of a datafileBwhen you drop a table from the databaseCwhen you take an export of the databaseDwhen you back up the database using OS utilitiesEwhen you issue an ALTER SYSTEM SWITCH LOGFILE statementFwhen you issue a BACKUP command from inside the RMAN run block
考题
多选题You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN). Which two are the prerequisites to perform this operation? （）(Choose two)AYou must configure block change tracking fileBYou must have first level 1 backups for RMAN to restore blocksCYou must ensure that the SALES database is mounted or openDYou must have full or level 0 backups for RMAN to restore blocksEYou must take the tools01.dbf data file offline before you start a block media recovery
考题
单选题Your production database is running in archivelog mode and you are using recovery manager (RMAN) with recovery catalog to perform the database backup at regular intervals. When you attempt to restart the database instance after a regular maintenance task on Sunday, the database fails to open displaying the message that the data file belonging to the users tablespace are corrupted. The steps to recover the damaged data files are follows: 1. Mount the database 2. Open the database 3. Recover the data file 4. Restore the data file 5. Make the data file offline 6. Make the data file online Which option identifies the correct sequence that you must use to recover the data files?（）A
2，4，3B
1，4，3，2C
2，5，4，3，6D
5，2，4，3，6E
1，5，4，3，6，2
考题
单选题You issued the following command to analyze the SCOTT.EMP table for block corruption： ANALYZE TABLE SCOTT.EMP VALIDATE STRUCTURE； You received the following error： ORA-01578： ORACLE data block corrupted （file # %s， block # %s） How will you resolve the block corruption problem？（）A
by using the DBMS_REPAIR packageB
by using the DB_BLOCK_CHECKING parameterC
by using the DBVERIFY utilityD
will not be completely resolved until the hardware fault is corrected
考题
多选题While querying the EMPLOYEES table， you receive an ORA-01578 message indicating block corruption in File# 1201 and Block# 1968. You analyze the table and the corruption is verified. Which RMAN command do you use to perform BMR and repair the corrupt block？（）ARECOVER FILE=1201 BLOCK=1968BRECOVER CORRUPTION LISTCRECOVER DATAFILE 1201 BLOCK 1968DRECOVER BLOCK CORRUPTION LISTENone of the above
考题
单选题Your production database is running in archivelog mode and you are using recovery manager (RMAN) with recovery catalog to perform the database backup at regular intervals. When you attempt to restart the database instance after a regular maintenance task on Sunday, the database fails to open displaying the message that the data file belonging to the users tablespace are corrupted. The steps to recover the damaged data files are follows: 1. Mount the database 2. Open the database 3. Recover the data file 4. Restore the data file 5. Make the data file offline 6. Make the data file online Which option identifies the correct sequence that you must use to recover the data files?（）A
2，4，3B
1，4，3，2C
2，5，4，3，6D
5，2，4，3，6E
1，5，4，3，6，2
考题
单选题You received the following error： ORA-01578： ORACLE data block corrupted （file # %s， block # %s） Which file will you check to view additional information regarding the cause of this error？（）A
the alert log file and the trace filesB
the redo log filesC
the control fileD
the change tracking file
考题
单选题You are maintaining your database in ARCHIVELOG mode. An important table， SCOTT.EMPLOYEE， is dropped and purged from the Recycle Bin on Monday at 2：00 P.M. You do not use RMAN to perform backups. You performed the last full user-managed backup at 9：00 P.M. on Sunday. How will you recover the dropped table， SCOTT.EMPLOYEE？（）A
by using the Flashback Table featureB
by using the Flashback Database featureC
by performing incomplete recovery using RMAN utilityD
by performing incomplete recovery using user-managed recovery
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