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
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， g
- B、c， f， g
- C、a， d， f， g
- D、a， f， g
- E、a， e， g
相关考题：
Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs.Which three steps should you perform to recover the control file and make the database fully operational?（）A. Mount the container database (CDB) and restore the control file from the control file auto backup.B. Recover and open the CDB in NORMAL mode.C. Mount the CDB and then recover and open the database, with the RESETLOGS option.D. Open all the pluggable databases.E. Recover each pluggable database.F. Start the database instance in the nomount stage and restore the control file from control file auto backup.
What methods are available to recover lost control files？（） A、 Backup control file.B、 Emergency control file.C、 The create controlfile command.D、 The restore controlfile SQL*Plus command.E、 No backup is required. The database will re-create the control file when it is discovered to be lost.
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
Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs. Which three steps should you perform to recover the control file and make the database fully operational?（）A、Mount the container database (CDB) and restore the control file from the control file auto backup.B、Recover and open the CDB in NORMAL mode.C、Mount the CDB and then recover and open the database, with the RESETLOGS option.D、Open all the pluggable databases.E、Recover each pluggable database.F、Start the database instance in the nomount stage and restore the control file from control file auto backup.
You executed the following command to back up the control file： ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What do you find in the trace file？（）A、Image of the control fileB、Location of the control fileC、Contents of the control file in text formatD、SQL command to re-create the databaseE、SQL command to re-create the control fileF、Contents of the control file in binary format
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
You work as a database administrator for Supportcenter.cn. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）A、Start the instance and open the database， instance recovery automatically recoverscontrol filesB、Create a file based on the contents of the trace file and save it to the control file locations and start the databaseC、Re-create the database （The recovery of the control file is not possible because you have lost all the control files.）D、Start the instance， in the NOMOUNTstate，re-create the control file using the CREATE CONTROLFILE command stored in the trace file.E、Start the instance and MOUNT the database， then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
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.
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
You work as a database administrator for Supportcenter.cn. You started the instance using theinit.orafile. You have two control files and three redo log groups in your database. You decided to protect the database against failures by adding one more control file. Which file is the appropriate way to perform this task？（）A、Shut down the instance， copy the control file to the third location and open the database.B、Abort the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.C、Copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile， restart the instance and open the database.D、Shut down the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.E、Shut down the instance， startup in the mount state， copy the control file to the third location， modify the CONTROL_FILES parameter ininit.oraand open the database.
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
You are maintaining the PROD database for NetFx Corporation. You have configured controlfile autobackup in your database. At 6：00 P.M. on Monday， you issue the following command： RMANBACKUP DATABASE； At 8：00 A.M. on Tuesday， you are unable to start the database because all the control files are missing. You decide to restore the control files from the backup by using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP； command. Which operation should you perform before using the RMAN RESTORE CONTROLFILE FROM AUTOBACKUP； command？（）A、 Start the database in the MOUNT stage.B、 Back up the control file to trace.C、 Set the DBIDD、 Issue the RECOVER DATABASE command.
You work as a database administrator for Certkiller .com. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）A、Start the instance and open the database, instance recovery automatically recovers control files B、Create a file based on the contents of the trace file and save it to the control file locations and start the database C、Re-create the database (The recovery of the control file is not possible because you have lost all the control files.) D、Start the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file. E、Start the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
In which scenario will you issue the following command？（） SQL RECOVER DATABASE UNTIL TIME ’2005-10-04 ： 12：09：08’ USING BACKUP CONTROLFILE；A、 when all the control files are missing and only a binary backup of the current control file existsB、 when a multiplexed copy of the current control file is missingC、when all the control files are missing and only a script containing the CREATE CONTROLFILE statement existsD、 when the SPFILE is missing
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
单选题You work as a database administrator for Supportcenter.cn. You started the instance using theinit.orafile. You have two control files and three redo log groups in your database. You decided to protect the database against failures by adding one more control file. Which file is the appropriate way to perform this task？（）AShut down the instance， copy the control file to the third location and open the database.BAbort the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.CCopy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile， restart the instance and open the database.DShut down the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.EShut down the instance， startup in the mount state， copy the control file to the third location， modify the CONTROL_FILES parameter ininit.oraand open the database.
单选题You executed the following command to back up the control file： ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What do you find in the trace file？（）AImage of the control fileBLocation of the control fileCContents of the control file in text formatDSQL command to re-create the databaseESQL command to re-create the control fileFContents of the control file in binary format
多选题Your multitenant container database (CDB) contains three pluggable database (PDBs). You find that the control file is damaged. You plan to use RMAN to recover the control file. There are no startup triggers associated with the PDBs. Which three steps should you perform to recover the control file and make the database fully operational?（）AMount the container database (CDB) and restore the control file from the control file auto backup.BRecover and open the CDB in NORMAL mode.CMount the CDB and then recover and open the database, with the RESETLOGS option.DOpen all the pluggable databases.ERecover each pluggable database.FStart the database instance in the nomount stage and restore the control file from control file auto backup.
单选题What command would you use to ensure that backup records in the control file are pointing to actual physical files on the backup media？（）A crosscheckB list backupC confirmD resyncE backup validate
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？（）ARestore all the data files and open the databaseBCreate the data file and perform tablespace recoveryCNo need to restore any file， just recover the databaseDRestore only the system data file and recover the databaseERestore only lost date file and performtablespacerecovery
单选题In which scenario will you issue the following command？（） SQL RECOVER DATABASE UNTIL TIME ’2005-10-04 ： 12：09：08’ USING BACKUP CONTROLFILE；A when all the control files are missing and only a binary backup of the current control file existsB when a multiplexed copy of the current control file is missingCwhen all the control files are missing and only a script containing the CREATE CONTROLFILE statement existsD when the SPFILE is missing
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（）ATake the USERS tablespace offline and re-create the lost data file.BShut down the instance， restore the data file from the last consistent backup， and restart the databaseinstance.CShut down the instance， restore all the database files from the last consistent backup， and restart thedatabase instance.DTake the USERS tablespace offline， restore all the data files of the USERS tablespace from the lastconsistent backup， and make the tablespace online
单选题You work as a database administrator for Supportcenter.cn. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）AStart the instance and open the database， instance recovery automatically recoverscontrol filesBCreate a file based on the contents of the trace file and save it to the control file locations and start the databaseCRe-create the database （The recovery of the control file is not possible because you have lost all the control files.）DStart the instance， in the NOMOUNTstate，re-create the control file using the CREATE CONTROLFILE command stored in the trace file.EStart the instance and MOUNT the database， then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
单选题You work as a database administrator for Certkiller .com. You added atablespaceto your database. Because of the changes to the physical structure of your database， you performed a backup of the control file to trace. After this， you lost only the control files and the instance aborted due to a hardware failure. How would you proceed to recover the database？（）AStart the instance and open the database, instance recovery automatically recovers control files BCreate a file based on the contents of the trace file and save it to the control file locations and start the database CRe-create the database (The recovery of the control file is not possible because you have lost all the control files.) DStart the instance, in the NOMOUNTstate,re-create the control file using the CREATE CONTROLFILE command stored in the trace file. EStart the instance and MOUNT the database, then re-create the control file using the CREATE CONTROLFILE command stored in the trace file.
多选题What methods are available to recover lost control files？（）ABackup control file.BEmergency control file.CThe create controlfile command.DThe restore controlfile SQL*Plus command.ENo backup is required. The database will re-create the control file when it is discovered to be lost.
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.Aa， b， f， gBc， f， gCa， d， f， gDa， f， gEa， e， g
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