单选题When performing an online backup，what is the proper order of the following steps？（） a. Issue the alter database end backup command. b. Back up the archived redo logs. c. Issue the alter database begin backup command. d. Back up the database files. e. Determine the beginning log sequence number. f. Determine the ending log sequence number. g. Force a log switch with the alter system switch logfile command.A a， b， c， d， e， f， gB c， d， a， b， e， g， fC f， d， b， g， a， c， eD e， c， d， a， g， f， bE a， f， b， g， e， c， d

考题 Upon starting your database, you receive the following error:You can choose from the following steps:1.Restore the database datafiles.2.Issue the alter database clear unarchived logfile group 1 command.3.Issue the alter database open command.4.Issue the alter database open resetlogs command.5.Recover the database using point-in-time recovery.6.Issue the Startup Mount command to mount the database.7.Back up the database.Which is the correct order of these steps in this case?（）A. 1,6,5,4,7B. 6,5,4C. 6,2,3,7D. 1,6,3E. The database cannot be recovered

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考题 Upon starting your database， you receive the following error： SQL startup ORACLE instance started. Total System Global Area 171581440 bytes Fixed Size 1298640 bytes Variable Size 146804528 bytes Database Buffers 20971520 bytes Redo Buffers 2506752 bytes Database mounted. ORA-00313： open failed for members of log group 1 of thread 1 ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01.log’ ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01a.log’ You can choose from the following steps： a. Restore the database datafiles. b. Issue the alter database clear unarchived logfile group 1 command. c. Issue the alter database open command. d. Issue the alter database open resetlogs command. e. Recover the database using point-in-time recovery. f. Issue the Startup Mount command to mount the database. g. Back up the database. Which is the correct order of these steps in this case？（）A、a， f， e， d， gB、f， e， dC、f， b， c， gD、a， f， cE、The database cannot be recovered.

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考题 The list below displays four steps that you need to execute in order to switch from the primary database role to the standby database role. Choose the correct order of execution for the steps.（） 1. Shot down and start up the former primary instance without mounting the instance. 2. Issue the ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY command. 3. Issue the ALTER DATABASE MOUNTS STANDBY DATABASE command. 4. End read or update activity on the former primary and standby database.A、1，2，3，4B、3，2，4，1C、4，2，1，3D、4，3，2，1

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考题 ou are implementing control file multiplexing. Which of the following choices identifies the method you can use in order to generate the control file copies that Oracle will maintain?（）A、Issue ALTER DATABASE BACKUP CONTROLFILE TO filenameB、Make a copy of the control file with the database shut downC、Issue ALTER DATABASE BACKUP CONTROLFILE TO traceD、Make a copy of the control file with the database still running

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考题 Your database is in NOARCHIVELOG mode. You start to do a backup， but your users complain that they dont want you to shut down the database to perform the backup. What options are available to you？（） A、 Put the database in hot backup mode and perform an online backup，including backing up the archived redo logs.B、 Just back up the database datafiles without shutting down the database.C、 You will have to wait until you can shut down the database to perform the backup.D、 Mark each datafile as backup in progress， back them up individually，and then mark them as backup not in progress. No archived redo logs will need to be backed up.E、 Only back up the datafiles that the user will not be touching. Once the user has finished what they were doing，you can shut down the database and back up the datafiles the user changed during the course of the remaining backup

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考题 You have lost all your SYSTEM tablespace datafiles （system_01.dbf and system_02.dbf） nd the database has crashed. What would be the appropriate order of operations to correct the situation？（） a. Mount the database with the startup mount command. b. Take the SYSTEM datafile offline with the alter database command. c. Restore the SYSTEM_01.dbf datafile from backup media with the required archived redo logs. d. Restore all SYSTEM tablespace-related datafiles from backup media. e. Issue the recover tablespace SYSTEM command. f. Issue the recover datafile SYSTEM_01.dbf command. g. Open the database with the alter database open command. h. Open the database with the alter database open resetlogs command.A、a， c， f， gB、b， d， e， hC、a， b， c， f， gD、d， a， e， gE、b， c， f， e， g

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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

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考题 When performing an online backup，what is the proper order of the following steps？（） a. Issue the alter database end backup command. b. Back up the archived redo logs. c. Issue the alter database begin backup command. d. Back up the database files. e. Determine the beginning log sequence number. f. Determine the ending log sequence number. g. Force a log switch with the alter system switch logfile command.A、a， b， c， d， e， f， gB、c， d， a， b， e， g， fC、f， d， b， g， a， c， eD、e， c， d， a， g， f， bE、a， f， b， g， e， c， d

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考题 Which are the correct steps， in order， to deal with the loss of an online redo log if the database has not yet crashed？（） a. Issue a checkpoint. b. Shut down the database. c. Issue an alter database open command to open the database. d. Startup mount the database. e. Issue an alter database clear logfile command. f. Recover all database datafiles.A、a， b， c， dB、b， d， e， cC、a， b， d， e， cD、b， f， d， f， cE、b， d， a， c

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考题 When performing a full database disaster recovery with RMAN， in what order would you execute these steps？（） a. Restore the control file from autobackups. b. Run the RMAN restore and recover command. c.Restore the database spfile from autobackups. d. Make the RMAN backup set pieces available. e. Open the database with the alter database open resetlogs command. f.Open the database with the alter database open command. A、 a， b， c， d， e， fB、 c， d， a， b， fC、 d， c， a， b， fD、 d， b， d， c， eE、 d， c， a， b， e

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考题 Which is the correct command to back up the database， back up the archived redo logs， and then remove the backed-up archived redo logs？（） A、 backup databaseB、 backup database and archivelogsC、 backup database plus archivelogsD、 backup database plus archivelog delete inputE、 backup database and archivelog delete input

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考题 Your database has experienced a loss of datafile users_01.dbf， which is associated with a ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error？（） a. Shut down the database. b. Take the users_01.dbf datafile offline with the alter database command. c. Restore the users_01.dbf datafile from backup media with the required archived redo logs. d. Restore all users tablespace-related datafiles from backup media. e. Issue the recover tablespace users command. f. Issue the recover datafile users_01.dbf command. g. Start up the database. h. Bring the users_01.dbf datafile online with the alter database command. A、a， c， f， gB、b， c， f， hC、a， b， c， f， gD、a， b， c， f， g， hE、b， c， f， e， g

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考题 You have lost all your online redo logs. As a result， your database has crashed. You have tried to restart the database and clear the online redo log files， but when you try to open the database you get the following error. SQL startup ORACLE instance started. Total System Global Area 167395328 bytes Fixed Size 1298612 bytes Variable Size 142610252 bytes Database Buffers 20971520 bytes Redo Buffers 2514944 bytes Database mounted. ORA-00313： open failed for members of log group 2 of thread 1 ORA-00312： online log 2 thread 1：，，/oracle01/oradata/orcl/redo02a.log ORA-27037： unable to obtain file status Linux Error： 2： No such file or directory Additional information： 3 ORA-00312： online log 2 thread 1：，，/oracle01/oradata/orcl/redo02.log ORA-27037： unable to obtain file status Linux Error： 2： No such file or directory Additional information： 3 SQL alter database clear logfile group 2； alter database clear logfile group 2 * ERROR at line 1： ORA-01624： log 2 needed for crash recovery of instance orcl （thread 1） ORA-00312： online log 2 thread 1：，，/oracle01/oradata/orcl/redo02.log ORA-00312： online log 2 thread 1：，，/oracle01/oradata/orcl/redo02a.log What steps must you take to resolve the error？（） a. Issue the recover database redo logs command. b. Issue the Startup Mount command to mount the database. c. Restore the last full database backup. d. Perform a point-in-time recovery， applying all archived redo logs that are available. e. Restore all archived redo logs generated during and after the last full database backup. f. Open the database using the alter database open resetlogs command. g. Issue the alter database open command.A、b， a， fB、e， b， a， fC、e， b， a， gD、b， a， gE、c， e， b， d， f

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考题 What is the correct order of steps to perform an online database backup？（） a. alter database begin backup b. alter database end backup c. Back up the database datafiles d. Back up the archive log files e. alter system switch logfileA、a， b， c， d， eB、e， d， a， b， cC、a， c， b， d， eD、d， b， c， a， eE、a， c， b， e， d

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考题单选题Which is the correct command to back up the database， back up the archived redo logs， and then remove the backed-up archived redo logs？（）A backup databaseB backup database and archivelogsC backup database plus archivelogsD backup database plus archivelog delete inputE backup database and archivelog delete input

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考题单选题When performing an online backup，what is the proper order of the following steps？（） a. Issue the alter database end backup command. b. Back up the archived redo logs. c. Issue the alter database begin backup command. d. Back up the database files. e. Determine the beginning log sequence number. f. Determine the ending log sequence number. g. Force a log switch with the alter system switch logfile command.A a， b， c， d， e， f， gB c， d， a， b， e， g， fC f， d， b， g， a， c， eD e， c， d， a， g， f， bE a， f， b， g， e， c， d

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考题多选题You are working on a database that must be functioning 24 hours a day， 7 days a week. The database isconfigured in ARCHIVELOG mode. Which two options do you have for performing user-managed backups（）AYou can perform consistent backups only.BYou can perform a complete database backup without shutting down the database instance.CYou can back up data files only when all data files have the same SCN recorded in the control file.DYou can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGINBACKUP or ALTER DATABASE BEGIN BACKUP commands

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考题单选题Upon starting your database， you receive the following error： SQL startup ORACLE instance started. Total System Global Area 171581440 bytes Fixed Size 1298640 bytes Variable Size 146804528 bytes Database Buffers 20971520 bytes Redo Buffers 2506752 bytes Database mounted. ORA-00313： open failed for members of log group 1 of thread 1 ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01.log’ ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01a.log’ You can choose from the following steps： a. Restore the database datafiles. b. Issue the alter database clear unarchived logfile group 1 command. c. Issue the alter database open command. d. Issue the alter database open resetlogs command. e. Recover the database using point-in-time recovery. f. Issue the Startup Mount command to mount the database. g. Back up the database. Which is the correct order of these steps in this case？（）A a， f， e， d， gB f， e， dC f， b， c， gD a， f， cE The database cannot be recovered.

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考题单选题Your database has experienced a loss of datafile users_01.dbf， which is associated with a ablespace called USERS. The database is still running. Which answer properly describes the rder of the steps that you would use to recover from this error？（） a. Shut down the database. b. Take the users_01.dbf datafile offline with the alter database command. c. Restore the users_01.dbf datafile from backup media with the required archived redo logs. d. Restore all users tablespace-related datafiles from backup media. e. Issue the recover tablespace users command. f. Issue the recover datafile users_01.dbf command. g. Start up the database. h. Bring the users_01.dbf datafile online with the alter database command.A a， c， f， gB b， c， f， hC a， b， c， f， gD a， b， c， f， g， hE b， c， f， e， g

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考题单选题You have lost all your SYSTEM tablespace datafiles （system_01.dbf and system_02.dbf） nd the database has crashed. What would be the appropriate order of operations to correct the situation？（） a. Mount the database with the startup mount command. b. Take the SYSTEM datafile offline with the alter database command. c. Restore the SYSTEM_01.dbf datafile from backup media with the required archived redo logs. d. Restore all SYSTEM tablespace-related datafiles from backup media. e. Issue the recover tablespace SYSTEM command. f. Issue the recover datafile SYSTEM_01.dbf command. g. Open the database with the alter database open command. h. Open the database with the alter database open resetlogs command.A a， c， f， gB b， d， e， hC a， b， c， f， gD d， a， e， gE b， c， f， e， g

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考题单选题Upon starting your database， you receive the following error： SQL startup ORACLE instance started. Total System Global Area 171581440 bytes Fixed Size 1298640 bytes Variable Size 146804528 bytes Database Buffers 20971520 bytes Redo Buffers 2506752 bytes Database mounted. ORA-00313： open failed for members of log group 1 of thread 1 ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01.log’ ORA-00312： online log 1 thread 1： ’/oracle01/oradata/orcl/redo01a.log’ You can choose from the following steps： a. Restore the database datafiles. b. Issue the alter database clear unarchived logfile group 1 command. c. Issue the alter database open command. d. Issue the alter database open resetlogs command. e. Recover the database using point-in-time recovery. f. Issue the Startup Mount command to mount the database. g. Back up the database. Which is the correct order of these steps in this case？（）A a， f， e， d， gB f， e， dC f， b， c， gD a， f， cE The database cannot be recovered.

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考题单选题What is the correct order of steps to perform an online database backup？（） a. alter database begin backup b. alter database end backup c. Back up the database datafiles d. Back up the archive log files e. alter system switch logfileA a， b， c， d， eB e， d， a， b， cC a， c， b， d， eD d， b， c， a， eE a， c， b， e， d

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考题单选题The list below displays four steps that you need to execute in order to switch from the primary database role to the standby database role. Choose the correct order of execution for the steps.（） 1. Shot down and start up the former primary instance without mounting the instance. 2. Issue the ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY command. 3. Issue the ALTER DATABASE MOUNTS STANDBY DATABASE command. 4. End read or update activity on the former primary and standby database.A 1，2，3，4B 3，2，4，1C 4，2，1，3D 4，3，2，1

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考题单选题Which are the correct steps， in order， to deal with the loss of an online redo log if the database has not yet crashed？（） a. Issue a checkpoint. b. Shut down the database. c. Issue an alter database open command to open the database. d. Startup mount the database. e. Issue an alter database clear logfile command. f. Recover all database datafiles.A a， b， c， dB b， d， e， cC a， b， d， e， cD b， f， d， f， cE b， d， a， c

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考题单选题What is the correct order of steps to perform an online database backup？（） a. alter database begin backup b. alter database end backup c. Back up the database datafiles d. Back up the archive log files e. alter system switch logfileA a， b， c， d， eB e， d， a， b， cC a， c， b， d， eD d， b， c， a， eE a， c， b， e， d

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考题单选题You have lost all your online redo logs. As a result， your database has crashed. You have tried to restart the database and clear the online redo log files， but when you try to open the database you get the following error. SQL startup ORACLE instance started. Total System Global Area 167395328 bytes Fixed Size 1298612 bytes Variable Size 142610252 bytes Database Buffers 20971520 bytes Redo Buffers 2514944 bytes Database mounted. ORA-00313： open failed for members of log group 2 of thread 1 ORA-00312： online log 2 thread 1：，，/oracle01/oradata/orcl/redo02a.log ORA-27037： unable to obtain file status Linux Error： 2： No such file or directory Additional information： 3 ORA-00312： online log 2 thread 1：，，/oracle01/oradata/orcl/redo02.log ORA-27037： unable to obtain file status Linux Error： 2： No such file or directory Additional information： 3 SQL alter database clear logfile group 2； alter database clear logfile group 2 * ERROR at line 1： ORA-01624： log 2 needed for crash recovery of instance orcl （thread 1） ORA-00312： online log 2 thread 1：，，/oracle01/oradata/orcl/redo02.log ORA-00312： online log 2 thread 1：，，/oracle01/oradata/orcl/redo02a.log What steps must you take to resolve the error？（） a. Issue the recover database redo logs command. b. Issue the Startup Mount command to mount the database. c. Restore the last full database backup. d. Perform a point-in-time recovery， applying all archived redo logs that are available. e. Restore all archived redo logs generated during and after the last full database backup. f. Open the database using the alter database open resetlogs command. g. Issue the alter database open command.A b， a， fB e， b， a， fC e， b， a， gD b， a， gE c， e， b， d， f

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考题单选题Your database is in NOARCHIVELOG mode. You start to do a backup， but your users complain that they dont want you to shut down the database to perform the backup. What options are available to you？（）A Put the database in hot backup mode and perform an online backup，including backing up the archived redo logs.B Just back up the database datafiles without shutting down the database.C You will have to wait until you can shut down the database to perform the backup.D Mark each datafile as backup in progress， back them up individually，and then mark them as backup not in progress. No archived redo logs will need to be backed up.E Only back up the datafiles that the user will not be touching. Once the user has finished what they were doing，you can shut down the database and back up the datafiles the user changed during the course of the remaining backup

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