单选题You are maintaining your database in Oracle10g. On Tuesday at 8：00 A.M.， while starting the database， you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6：00 P.M. Which type of recovery will you perform？（）A incomplete recoveryB complete recoveryC recovery using the Flashback Database featureD recovery using the export/import utility

考题 You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN >BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）A. Corrupted blocks, if any, are repaired.B. Checks are performed for physical corruptions.C. Checks are performed for logical corruptions.D. Checks are performed to confirm whether all database files exist in correct locationsE. Backup sets containing both data files and archive logs are created.

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考题 Every Sunday， consistent backups are performed on your database. Because of a user error， you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday， which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available. What would you do in this scenario？（）A、recovery cannot be performed because a backup was not performed after the last incomplete recoveryB、restore all the files from Sunday’s backup， and then perform an incomplete recovery up to the point in time when the user error occurred on ThursdayC、restore all the files from Sunday’s backup， and then recover up to the point in time when the RESETLOGS operation was performed on TuesdayD、restore all the files from Sunday’s backup， and open the database to reset the database to the point in time when the backup was performed on Sunday

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考题 You database operates in ARCHIVELOG mode and user-managed 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 achivelog 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 time-based recovery.B、 Restore all the data files from last Sunday’s backup， and then perform a cancel-based recovery.C、 Restore all the data files from last Sunday’s backup， and then perform a change-based recovery.D、 Restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup， and then perform a complete recovery.

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考题 You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）A、Corrupted blocks, if any, are repaired.B、Checks are performed for physical corruptions.C、Checks are performed for logical corruptions.D、Checks are performed to confirm whether all database files exist in correct locationsE、Backup sets containing both data files and archive logs are created.

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考题 You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup information of your database. Which file can be used as a repository to store information regarding the RMAN backup？（）A、 online redo log filesB、 alert log filesC、 control fileD、 datafiles associated with the SYSTEM tablespace

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考题 You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands： CONFIGURE DEFAULT DEVICE TYPE TO sbt； CONFIGURE BACKUP OPTIMIZATION ON； CONFIGURE RETENTION POLICY TO REDUNDANCY 3； From Monday to Saturday， you performed the following actions： Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed？（）A、 The backup will not be performed at all.B、 three timesC、 four timesD、 six times

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考题 Every Sunday， consistent backups are performed on your database. Because of a user error， you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday， which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available.What would you do in this scenario？（）A、 recovery cannot be performed because a backup was not performed after the last incomplete recoveryB、 restore all the files from Sunday’s backup， and then recover up to the point in time when the RESETLOGS operation was performed on TuesdayC、 restore all the files from Sunday’s backup， and open the database to reset the database to the point in time when the backup was performed on SundayD、 restore all the files from Sunday’s backup， and then perform an incomplete recovery up to the point in time when the user error occurred on Thursday

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考题 You are maintaining your database in Oracle10g. While performing an incremental backup of the database， you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database？（）A、 redo log filesB、 password fileC、 control fileD、 change tracking file

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考题 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.

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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

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考题 Your database has a backup that was taken yesterday （Tuesday） between 13：00 and 15：00 hours. This is the only backup you have. You have lost all the archived redo logs generatedsince the previous Monday， but you have archived redo logs available from the previous Sunday and earlier. You now need to restore your backup due to database loss. To which point can you restore your database？（） A、 13：00 on Tuesday.B、 15：00 on Tuesday.C、 Up until the last available archived redo log on Sunday.D、 To any point； all the redo should still be available in the online redo logs.E、 The database is not recoverable.

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考题 You are maintaining your database in Oracle10g. On Tuesday at 8：00 A.M.， while starting the database， you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6：00 P.M. Which type of recovery will you perform？（）A、 incomplete recoveryB、 complete recoveryC、 recovery using the Flashback Database featureD、 recovery using the export/import utility

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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

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考题单选题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.

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考题单选题Your database operates in ARCHIVELOG mode. User-managed consistent backups are performed every Sunday night. On Tuesday， client A drops a table at 8：00 a.m. as follows： SQL DROP TABLE cust_ord PURGE； Table dropped. Client B executes a query at 9：00 a.m. on the same table as follows： SQL SELECT * FROM cust_ord； SELECT * FROM cust_ord *ERROR at line 1：ORA-00942： table or view does not exist Client B needs the dropped table and reports the problem to you.With reference to this scenario， which action should you take？（）A retrieve the table by using the flashback featureB restore all the data files from last Sunday’s backup and then perform a time-based recoveryC restore all the data files from last Sunday’s backup and then perform a log sequence recoveryD restore all the data files from last Sunday’s backup and then perform a cancel-based recoveryE restore from last Sunday’s backup only data files that belong to the tablespace in which the table was stored and then perform a complete recovery

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考题单选题You are maintaining your database in Oracle10g. On Tuesday at 8：00 A.M.， while starting the database， you discover that all the control files are missing. The backup of the full database was performed on Sunday at 6：00 P.M. Which type of recovery will you perform？（）A incomplete recoveryB complete recoveryC recovery using the Flashback Database featureD recovery using the export/import utility

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考题单选题You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands： CONFIGURE DEFAULT DEVICE TYPE TO sbt； CONFIGURE BACKUP OPTIMIZATION ON； CONFIGURE RETENTION POLICY TO REDUNDANCY 3； From Monday to Saturday， you performed the following actions： Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed？（）A The backup will not be performed at all.B three timesC four timesD six times

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考题多选题You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?（）ACorrupted blocks, if any, are repaired.BChecks are performed for physical corruptions.CChecks are performed for logical corruptions.DChecks are performed to confirm whether all database files exist in correct locationsEBackup sets containing both data files and archive logs are created.

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考题单选题Every Sunday， consistent backups are performed on your database. Because of a user error， you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday， which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available.What would you do in this scenario？（）A recovery cannot be performed because a backup was not performed after the last incomplete recoveryB restore all the files from Sunday’s backup， and then recover up to the point in time when the RESETLOGS operation was performed on TuesdayC restore all the files from Sunday’s backup， and open the database to reset the database to the point in time when the backup was performed on SundayD restore all the files from Sunday’s backup， and then perform an incomplete recovery up to the point in time when the user error occurred on Thursday

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考题单选题You are maintaining your database in Oracle10g. You are not using the recovery catalog to maintain the backup information of your database. Which file can be used as a repository to store information regarding the RMAN backup？（）A online redo log filesB alert log filesC control fileD datafiles associated with the SYSTEM tablespace

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考题单选题Examine the following scenario: -Database is running in ARCHIVELOG mode. -Complete consistent backup is taken every Sunday. -On Tuesday the instance terminates abnormally because the disk on which control files are located gets corrupted -The disk having active online redo log files is also corrupted. -The hardware is repaired and the paths for online redo log files and control files are still valid. Which option would you use to perform the recovery of database till the point of failure?（）A Restore the latest whole backup, perform complete recovery, and open the database normallyB Restore the latest whole backup, perform incomplete recovery, and open the database with the RESETLOGS optionC Restore the latest backups control file, perform complete recovery, and open the database with the RESETLOGS optionD Restore the latest backup control file, perform incomplete recovery using backup control file, and open the database with the RESETLOG option

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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

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考题单选题You are maintaining your database in Oracle10g. While performing an incremental backup of the database， you want to back uponly those blocks that have changed since the last backup. Which file will you create to increase the performance of the backup operation while performing the incremental backup of the database？（）A redo log filesB password fileC control fileD change tracking file

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考题单选题Your database has a backup that was taken yesterday （Tuesday） between 13：00 and 15：00 hours. This is the only backup you have. You have lost all the archived redo logs generatedsince the previous Monday， but you have archived redo logs available from the previous Sunday and earlier. You now need to restore your backup due to database loss. To which point can you restore your database？（）A 13：00 on Tuesday.B 15：00 on Tuesday.C Up until the last available archived redo log on Sunday.D To any point； all the redo should still be available in the online redo logs.E The database is not recoverable.

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考题单选题You database operates in ARCHIVELOG mode and user-managed 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 achivelog 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 time-based recovery.B Restore all the data files from last Sunday’s backup， and then perform a cancel-based recovery.C Restore all the data files from last Sunday’s backup， and then perform a change-based recovery.D Restore only data files that belong to the SYSTEM tablespace from last Sunday’s backup， and then perform a complete recovery.

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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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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

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考题单选题Every Sunday， consistent backups are performed on your database. Because of a user error， you performed an incomplete recovery on Tuesday and opened the database with the RESETLOGS option. A user error occurs again on Thursday， which necessitates an incomplete recovery. Sunday’s backup is the most recent backup available. What would you do in this scenario？（）A recovery cannot be performed because a backup was not performed after the last incomplete recoveryB restore all the files from Sunday’s backup， and then perform an incomplete recovery up to the point in time when the user error occurred on ThursdayC restore all the files from Sunday’s backup， and then recover up to the point in time when the RESETLOGS operation was performed on TuesdayD restore all the files from Sunday’s backup， and open the database to reset the database to the point in time when the backup was performed on Sunday

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