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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-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 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 point-in-time 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-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” 相关考题
考题
You have lost datafile 4 from your database. Which is typically the fastest way to restore your database？（） A、 Restore and recover the datafile.B、 Restore and recover the tablespace.C、 Restore and recover the database.D、 Restore and recover the control file.E、 Restore and recover the parameter file.
考题
Your boss at Supportcenter.cn wants you to clarify Oracle 10g. Which condition in your database forces you to perform only consistent backups？（）A、The database is in mount state.B、One of the tablespaces is offline.C、One of the tablespaces is read only.D、The database operates in ARCHIEVELOG mode. E、The database operates in NOARCHIEVELOG mode.
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You are maintaining your database in Oracle10g. You find that the number of languages that should be supported in your database has increased. The character set of your database is UTF8. You decide to migrate your database to the AL16UTF16 national character set. How will you migrate your database from UTF8 to AL16UTF16？（） A、 by using the RMAN utilityB、 by using the export/import utilityC、 by using the ALTER DATABASE commandD、 by enabling the change tracking feature
考题
If you lost your entire database，including the database spfile，control files，online redo logs，and database datafiles，what kind of recovery would be required with RMAN？（） A、 Complete database recovery.B、 Incomplete database recovery.C、 Approximate database recovery.D、 Archived database recovery.E、 The database could not be recovered with RMAN.
考题
For which database operation would you need the database to be in the MOUNT state（）A、renaming the control filesB、re-creating the control filesC、dropping a user in your databaseD、dropping a tablespace in your databaseE、configuring the database instance to operate in the ARCHIVELOG or NOARCHIVELOG modes
考题
Last night， a media failure caused the loss of a temporary file that belongs to your database. Which two things may happen this morning when you try to open your database？（）A、 The database writer writes to a trace file， indicating that the temporary file is not found.B、 The database prompts for a database recovery.C、 The database opens normally.D、 The database gets mounted and throws an error indicating that the temporary file requires recovery.
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You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）A、renaming the control filesB、dropping a user in your databaseC、enabling or disabling redo log archivingD、dropping a tablespace in your databaseE、re-creating the control files， after you lost all the control files in your database
考题
Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on. Is this backup usable for backup and recovery of your database？（） A、 Yes， if the database is in ARCHIVELOG modeB、 Yes， if the database is in NOARCHIVELOG modeC、 No， the backup is not usable in any wayD、 Only if the ENABLE_ONLINE_BACKUP parameter is set to TRUE
考题
You executed the following query in your database： FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output？（）A、the time when the last flashback operation in your database was performedB、the time when the first flashback operation in your database was performedC、a list of flashback operations performed in your database using SCN and timeD、the approximate time and the lowest system change number （SCN） to which you can flash back your database
考题
A shoot-out has erupted between your MS development teams using .NET and your Linux development teams using Java. Knowing that your database is in danger，which command would you use to back up your NOARCHIVELOG mode database using RMAN with compression？（）A、 backup database allB、 backup compressed databaseC、 backup as compressed backupset databaseD、 backup as compressed backup database plus archivelog allE、 backup as compressed backupset database plus compress archivelog all
考题
You have lost all your database control files. To recover them， you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact. Which of the following is true regarding your recovery？（） A、 You will need to open the database with the resetlogs command.B、 All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.C、 You will use the resetlogs version of the create controlfile command.D、 You will use the noresetlogs version of the create controlfile command.E、 You will use the trace file to create a backup control file， and then you will recover the database with the recover database using backup controlfile command
考题
You are a professional level SQL Server 2005 database administrator in an international corporation named Wiikigo. You are experienced in implementing high-availability solutions， monitoring the database server， and design deployment. In the company， you major job is the deployment， maintenance and support of Microsoft SQL Server 2005. You work as a database administrator for your company. A user database named Products is included by your SQL Server 2005 computer. SQL Server Integration Services （SSIS） packages are utilized to export data from the Products database to a text file. You deliver the text file to your company’s trading partners by utilizing FTP. You are required to make sure that your SSIS packages can be recovered from the occurrence of a disaster. Which action should be performed to finish the task？（）A、To finish the task，the Products database should be backed up.B、To finish the task，your server should be set to utilize the full recovery model.C、To finish the task，your server should be set to utilize the bulk-logged recovery model.D、To finish the task， the msdb database should be backed up.
考题
单选题For which database operation would you need the database to be in the MOUNT state（）A
renaming the control filesB
re-creating the control filesC
dropping a user in your databaseD
dropping a tablespace in your databaseE
configuring the database instance to operate in the ARCHIVELOG or NOARCHIVELOG modes
考题
单选题You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）A
renaming the control filesB
dropping a user in your databaseC
enabling or disabling redo log archivingD
dropping a tablespace in your databaseE
re-creating the control files， after you lost all the control files in your database
考题
单选题A shoot-out has erupted between your MS development teams using .NET and your Linux development teams using Java. Knowing that your database is in danger，which command would you use to back up your NOARCHIVELOG mode database using RMAN with compression？（）A
backup database allB
backup compressed databaseC
backup as compressed backupset databaseD
backup as compressed backup database plus archivelog allE
backup as compressed backupset database plus compress archivelog all
考题
单选题ou have a large amount of historical data in a flat file. Some analysts in your organization need to query thisdata in the file. The file is too large to load the data in it into your current database. Which is the most effectivemethod to access this data in your database（）A
Use the database link.B
Use the SQL*Loader utility.C
Use the Oracle Data Pump utility.D
Create an external table and leave the data in the flat file
考题
单选题You executed the following query in your database： SELECT oldest_flashback_scn， oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG； What would you determine from the output？（）A
The time when the last flashback operation in your database was performed.B
The time when the first flashback operation in your database was performed.C
A list of flashback operations performed in your database using SCN and time.D
The approximate time and the lowest system change number （SCN） to which you can flash back your database.
考题
单选题While setting up an Oracle database for one of your critical applications， you want to ensure that the database is backed up at regular intervals without your intervention.What should you do to achieve the objective？（）A
configure the database to run in ARCHIVELOG modeB
configure the Flash Recovery Area to enable automatic database backupC
schedule the database backup using DBMS_JOB package after creating the databaseD
schedule the database backup using Recovery Manager （RMAN）commands after creating the databaseE
schedule the database backup using Database Configuration Assistant （DBCA）while creating the database
考题
单选题You have lost datafile 4 from your database. Which is typically the fastest way to restore your database？（）A
Restore and recover the datafile.B
Restore and recover the tablespace.C
Restore and recover the database.D
Restore and recover the control file.E
Restore and recover the parameter file.
考题
单选题You have lost datafile 4 from your database. Which is typically the fastest way to restore your database? （）A
Restore and recover the datafile. B
Restore and recover the tablespace. C
Restore and recover the database. D
Restore and recover the control file. E
Restore and recover the parameter file.
考题
单选题Every Sunday the Unix system administrator has a job that executes a full backup of the entire Unix system your database is on. Is this backup usable for backup and recovery of your database？（）A
Yes， if the database is in ARCHIVELOG modeB
Yes， if the database is in NOARCHIVELOG modeC
No， the backup is not usable in any wayD
Only if the ENABLE_ONLINE_BACKUP parameter is set to TRUE
考题
多选题Last night， a media failure caused the loss of a temporary file that belongs to your database. Which two things may happen this morning when you try to open your database？ （）AThe database opens normally.BThe database prompts for a database recovery.CThe database writer writes to a trace file， indicating that the temporary file is not found.DThe database gets mounted and throws an error indicating that the temporary file requires recovery.
考题
单选题You are maintaining your database in Oracle10g. You find that the number of languages that should be supported in your database has increased. The character set of your database is UTF8. You decide to migrate your database to the AL16UTF16 national character set. How will you migrate your database from UTF8 to AL16UTF16？（）A
by using the RMAN utilityB
by using the export/import utilityC
by using the ALTER DATABASE commandD
by enabling the change tracking feature
考题
单选题You have lost all your database control files. To recover them， you are going to use the results of the alter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact. Which of the following is true regarding your recovery？（）A
You will need to open the database with the resetlogs command.B
All you need to do is execute the trace file from SQL*Plus and it will perform the recovery for you.C
You will use the resetlogs version of the create controlfile command.D
You will use the noresetlogs version of the create controlfile command.E
You will use the trace file to create a backup control file， and then you will recover the database with the recover database using backup controlfile command
考题
单选题You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true？（）A
You must have change tracking enabled in your databaseB
Your database must be running in NOARCHIVELOG modeC
To back up a tablespace，it must be in backup modeD
To back up a tablespace，it must first be taken offline
考题
单选题You executed the following query in your database： FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output？（）A
the time when the last flashback operation in your database was performedB
the time when the first flashback operation in your database was performedC
a list of flashback operations performed in your database using SCN and timeD
the approximate time and the lowest system change number （SCN） to which you can flash back your database
考题
单选题Your boss at Certkiller .com wants you to clarify Oracle 10g. Which condition in your database forces you to perform only consistent backups？（）A
The database is in mount state.B
One of the tablespaces is offline.C
One of the tablespaces is read only.D
The database operates in ARCHIEVELOG mode.E
The database operates in NOARCHIEVELOG mode.
考题
多选题You are using a recovery catalog to maintain Recovery Manager （RMAN） backup information for your production database. You have registered your production database and are performing regular backups. Because of a new requirement you have added a few new tablespaces to your production database and you want them to be included in backups. Identify two options for completing this task.（）AReregistering the target database in recovery catalogBTransporting the new tablespaces to the recovery catalog databaseCSyncronizing the recovery catalog with the target database control fileDPerforming a fresh backup of the target database to include the new data files in the catalog database
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