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单选题
You have a read-only tablespace on read-only media. You want to perform a media recovery on the existing data files， but using a backup control file. The backup control file indicates that the status of the read-only tablespace was read/write when the control file was backed up. What should you consider？（）
A
take data files from the read-only tablespace offline before performing a recovery
B
recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the database
C
drop the read-only tablespace and re-create the tablespace after recovery
D
perform a recovery； status of the tablespace in control file will be changed automatically
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更多 “单选题You have a read-only tablespace on read-only media. You want to perform a media recovery on the existing data files， but using a backup control file. The backup control file indicates that the status of the read-only tablespace was read/write when the control file was backed up. What should you consider？（）A take data files from the read-only tablespace offline before performing a recoveryB recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the databaseC drop the read-only tablespace and re-create the tablespace after recoveryD perform a recovery； status of the tablespace in control file will be changed automatically” 相关考题
考题
When you are performing media recover， and an archived log is lost or corrupt， which type of recover must you perform？（）A、Until SCNB、Until timeC、Until cancelD、Recover using backup control file.
考题
You have discovered that one of three control files has been lost. What steps would you follow to recover that control file？（） a. Shut down the database. b. Restore a control-file copy from backup media. c. Use the create control file command to create a new control file. d. Copy the backup control file into place. e. Create a new copy of the control file from one of the surviving control files. f. Recover the database using the recover database using backup control file command. g. Start up the database. A、a， b， f， gB、c， f， gC、a， d， f， gD、a， f， gE、a， e， g
考题
In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command： CONFIGURE CONTROLFILE AUTOBACKUP ON; Which two events would cause the control file to be backed up automatically？ （）A、a tablespace is taken offlineB、the database instance is restartedC、a new data file is added to an existing tablespaceD、a successful backup is recorded in the RMAN repositoryE、the RMAN connection is disconnected from the target database
考题
You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）A、A backup of the target database when it is mountedB、A backup of online redo log files when the database is openC、A backup of only used data blocks in the file beingbeingbackup upD、A backup of online， read/write data files when the database is openE、A backup of only those data blocks that have changed since a previous backupF、A backup of online， read/write data files when the database is in the NOMOUNT state.
考题
Your database is running In ARCIIIVELOG mode. One of the data files， USBRDATAOI. DBF， in the users tablespace is damaged and you need to recover the file until the point of failure. The backup for the data file is available. Which three files would be used in the user-managed recovery process performed by the database administrator （DBA）？（） A、 redo logsB、 control fileC、 temporary files of temporary tablespaceD、 the latest backup of only the damaged data fileE、 the latest backup of all the data files In the USERS tablespace
考题
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.
考题
You have a read-only tablespace on read-only media. You want to perform a media recovery on the existing data files， but using a backup control file. The backup control file indicates that the status of the read-only tablespace was read/write when the control file was backed up. What should you consider？（）A、 take data files from the read-only tablespace offline before performing a recoveryB、 recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the databaseC、 drop the read-only tablespace and re-create the tablespace after recoveryD、 perform a recovery； status of the tablespace in control file will be changed automatically
考题
One of the tablespaces is read/x7fonly in your database. The loss of all control files forced you to re/x7fcreate the control file. Which operation do you need to perform after re/x7fcreating the control file and opening the database？（）A、drop and recreate the readonly tablespacesB、rename the readonly data files to their correct file namesC、change the tablespace status from read/write to readonlyD、recreate the readonly tablespace because it is automatically removed
考题
You have a read/x7fonly tablespace on read/x7fonly media. You want to perform a media recovery on the existing data files， but using a backup control file. The backup control file indicates that the status of the read/x7fonly tablespace was read/write when the control file was backed up. What should you consider？（）A、drop the readonly tablespace and recreate the tablespace after recoveryB、take data files from the readonly tablespace offline before performing a recoveryC、perform a recovery; status of the tablespace in control file will be changed automaticallyD、recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the database
考题
In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command： CONFIGURE CONTROLFILE AUTOBACKUP ON； Which two events would cause the control file to be backed up automatically？ （）A、 A tablespace is taken offline.B、 The database instance is restarted.C、 A new data file is added to an existing tablespace.D、 A successful backup is recorded in the RMAN repository.E、 The RMAN connection is disconnected from the target database.
考题
You lost the PRODSTD tablespace， which was read/write. The tablespace was read/x7fonly when the last backup was performed. How would you recover the tablespace？（）A、restore the tablespace from the backup; there is no need to apply the redo information B、restore the full database to recover the data up to the point when you performed the backup C、restore the tablespace from the backup， and then perform a recovery using the backup control fileD、restore the tablespace from the backup， and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied
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
The loss of the control file forced you to re-create the control file. After re-creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five-digit number starting with 0. What could be the possible reason？（）A、 These are the data files that are corrupted.B、 There is no SYSAUX tablespace in your databaseC、 There is a read-only tablespace in your database.D、 These are the data files that cannot be recovered.
考题
You lost the PRODSTD tablespace， which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace？（）A、 restore the tablespace from the backup； there is no need to apply the redo informationB、 restore the full database to recover the data up to the point when you performed the backupC、 restore the tablespace from the backup and then perform a recovery using the backup control fileD、 restore the tablespace from the backup and then recover the tablespace； all the redo information from the point when the tablespace was made read/write is applied
考题
In which of the following scenarios is a tablespace recovery required？（）A、 when recovering a lost read-only tablespace from a read-only tablespace backupB、 when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in ARCHIVELOG modeC、 when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in NOARCHIVELOG mode and the changes in the online redo log files have been overwrittenD、 when recovering a lost read-only tablespace from a read-only tablespace backup using the backup of the control file， the control file was created using the ALTER DATABASE BACKUP CONTROLFILE TO TRACE statement， and this statement was issued when the tablespace was read-only
考题
单选题One of the tablespaces is read/x7fonly in your database. The loss of all control files forced you to re/x7fcreate the control file. Which operation do you need to perform after re/x7fcreating the control file and opening the database？（）A
drop and recreate the readonly tablespacesB
rename the readonly data files to their correct file namesC
change the tablespace status from read/write to readonlyD
recreate the readonly tablespace because it is automatically removed
考题
多选题You work as a database administrator for Supportcenter.cn. You are using Recovery Manager （RMAN） to perform backups in your databases. Which four backup operations can be performed using RMAN？（）AA backup of the target database when it is mountedBA backup of online redo log files when the database is openCA backup of only used data blocks in the file beingbeingbackup upDA backup of online， read/write data files when the database is openEA backup of only those data blocks that have changed since a previous backupFA backup of online， read/write data files when the database is in the NOMOUNT state.
考题
单选题You have a read/x7fonly tablespace on read/x7fonly media. You want to perform a media recovery on the existing data files， but using a backup control file. The backup control file indicates that the status of the read/x7fonly tablespace was read/write when the control file was backed up. What should you consider？（）A
drop the readonly tablespace and recreate the tablespace after recoveryB
take data files from the readonly tablespace offline before performing a recoveryC
perform a recovery; status of the tablespace in control file will be changed automaticallyD
recovery using backup control file is not possible， so restore all the files from the last full database backup， and then open the database
考题
单选题Your database is configured in NOARCHIVELOG mode. Due to a media failure， you have lost one of the datafiles belonging to a read-only tablespace. You know that the last backup was performed after the tablespace was made read-only. Which action should you take to restore the missing datafile in the minimum amount of time？（）A
Restore all the datafiles from the backup.B
Restore only the lost datafile from the backup.C
Restore all the datafiles for the lost tablespace from the backup.D
Restore all the datafiles for the lost tablespace and all the SYSTEM and SYSAUX datafiles from the backup.
考题
单选题One of the tablespaces is read-only in your database. The loss of all control files forced you to re-create the control file. Which operation do you need to perform after re-creating the control file and opening the database？（）A
drop and re-create the read-only tablespacesB
rename the read-only data files to their correct file namesC
change the tablespace status from read/write to read-onlyD
re-create the read-only tablespace because it is automatically removed
考题
单选题You lost the PRODSTD tablespace， which was read/write. The tablespace was read/x7fonly when the last backup was performed. How would you recover the tablespace？（）A
restore the tablespace from the backup; there is no need to apply the redo information B
restore the full database to recover the data up to the point when you performed the backup C
restore the tablespace from the backup， and then perform a recovery using the backup control fileD
restore the tablespace from the backup， and then recover the tablespace; all the redo information from the point when the tablespace was made read/write is applied
考题
单选题In which of the following scenarios is a tablespace recovery required？（）A
when recovering a lost read-only tablespace from a read-only tablespace backupB
when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in ARCHIVELOG modeC
when recovering a lost read-only tablespace from a read-write tablespace backup when the database is running in NOARCHIVELOG mode and the changes in the online redo log files have been overwrittenD
when recovering a lost read-only tablespace from a read-only tablespace backup using the backup of the control file， the control file was created using the ALTER DATABASE BACKUP CONTROLFILE TO TRACE statement， and this statement was issued when the tablespace was read-only
考题
单选题You have discovered that one of three control files has been lost. What steps would you follow to recover that control file？（） a. Shut down the database. b. Restore a control-file copy from backup media. c. Use the create control file command to create a new control file. d. Copy the backup control file into place. e. Create a new copy of the control file from one of the surviving control files. f. Recover the database using the recover database using backup control file command. g. Start up the database.A
a， b， f， gB
c， f， gC
a， d， f， gD
a， f， gE
a， e， g
考题
单选题You lost the PRODSTD tablespace， which was read/write. The tablespace was read-only when the last backup was performed. How would you recover the tablespace？（）A
restore the tablespace from the backup； there is no need to apply the redo informationB
restore the full database to recover the data up to the point when you performed the backupC
restore the tablespace from the backup and then perform a recovery using the backup control fileD
restore the tablespace from the backup and then recover the tablespace； all the redo information from the point when the tablespace was made read/write is applied
考题
单选题You lost the PRODSTD tablespace， which was read-only. The tablespace was read-only when the last backup was taken. How would you recover the tablespace？（）A
restore the tablespace from the backup， and then perform an incomplete recoveryB
restore the tablespace from the backup， and then apply all the redo informationC
restore all the data files in the database， and then perform an incomplete recoveryD
restore the tablespace from the backup
考题
单选题When you are performing media recover， and an archived log is lost or corrupt， which type of recover must you perform？（）A
Until SCNB
Until timeC
Until cancelD
Recover using backup control file.
考题
单选题The loss of the control file forced you to re-create the control file. After re-creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five-digit number starting with 0. What could be the possible reason？（）A
These are the data files that are corrupted.B
There is no SYSAUX tablespace in your databaseC
There is a read-only tablespace in your database.D
These are the data files that cannot be recovered.
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