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单选题
Your database is in ARCHIVELOG mode. On Friday evening, you perform an online database backup by using the BACKUP DATABASE command at the Recovery Manager (RMAN) prompt and close the  database. On Monday, the System Administrator informs you about the failure of two hard disks. One of the lost disks contains two datafiles, HR1.DBF and HR2.DBF, both of which belong to a read/write tablespace named HR. The disk also contains a datafile, USERS.DBF, which belongs to a read/write tablespace named USERS. You need to restore and recover the database backup that was performed on Friday evening. After mounting the database, you issue the following RMAN commands:        RMAN>RESTORE DATABASE;        RMAN>RECOVER DATABASE;   After successfully executing these RMAN commands, you issue the following statement using SQL*Plus:        SQL>ALTER DATABASE OPEN;   You receive the following errors when attempting to open the database:        ORA-01157: cannot identify/lock data file 10 see DBWR trace file        ORA-01110: data file 10: ’D:///USERS.DBF’   What is the cause of these errors?()
A

 The USERS.DBF datafile is corrupted and cannot be restored by RMAN.

B

 The USERS.DBF datafile was not backed up using the RMAN BACKUP DATABASE command.

C

 The USERS.DBF datafile was not restored using the RMAN RESTORE DATABASE command.

D

 The USERS.DBF datafile was not recovered using the RMAN RECOVER DATABASE command.


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更多 “单选题Your database is in ARCHIVELOG mode. On Friday evening, you perform an online database backup by using the BACKUP DATABASE command at the Recovery Manager (RMAN) prompt and close the  database. On Monday, the System Administrator informs you about the failure of two hard disks. One of the lost disks contains two datafiles, HR1.DBF and HR2.DBF, both of which belong to a read/write tablespace named HR. The disk also contains a datafile, USERS.DBF, which belongs to a read/write tablespace named USERS. You need to restore and recover the database backup that was performed on Friday evening. After mounting the database, you issue the following RMAN commands:        RMANRESTORE DATABASE;        RMANRECOVER DATABASE;   After successfully executing these RMAN commands, you issue the following statement using SQL*Plus:        SQLALTER DATABASE OPEN;   You receive the following errors when attempting to open the database:        ORA-01157: cannot identify/lock data file 10 see DBWR trace file        ORA-01110: data file 10: ’D:///USERS.DBF’   What is the cause of these errors?()A  The USERS.DBF datafile is corrupted and cannot be restored by RMAN.B  The USERS.DBF datafile was not backed up using the RMAN BACKUP DATABASE command.C  The USERS.DBF datafile was not restored using the RMAN RESTORE DATABASE command.D  The USERS.DBF datafile was not recovered using the RMAN RECOVER DATABASE command.” 相关考题
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 runs in NOARCHIVELOG mode, and is backed up every night using RMAN scripts. However, last night your assistant DBA performed a manual operating system backup, instead of running the scripts. Today your database crashed and you now want to use the backups from last night. What do you need todo?()A、You need to perform the restore and recover operations manually, because the backup was made manually. B、First you need to resynchronize the catalog with the control file, and then you can use RMAN to recover the database. C、First you need to add the backup to the catalog using the CATALOG command, and then you can use RMAN to recover the database. D、You can just use RMAN and recover the database, because RMAN automatically updates the catalog with the backup information. 

考题 Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt:     RMAN CONFIGURE CONTROLFILE AUTOBACKUP OFF;   RMAN BACKUP DATABASE;   Which files from the database will be backed up as a result of this BACKUP command?()A、 control fileB、 all datafilesC、 password fileD、 online redo log fileE、 archive redo log fileF、 server parameter fileG、 only the SYSTEM datafile

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 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 tablespacesB、backup of read­only tablespacesC、backup of system­critical tablespacesD、backup of online, locally managed tablespacesE、backup of read/write dictionary­managed tablespaces

考题 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 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

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

考题 It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager (RMAN). How would you make use of this consistent backup in RMAN?()A、cannot be used in RMANB、by starting up the database againC、by using the CATALOG command of RMAND、by using the RECOVER CATALOG command in RMANE、by re-creating the target control file to rebuild the RMAN repository

考题 In your database, all the tablespaces are locally managed. You started Recovery Manager (RMAN) using recovery catalog and restored the control file by using the following command: RMAN RESTORE CONTROLFILE;  Which two operations do you need to perform after restoring the control file from backup?()A、shut down and restart the instanceB、add new tempfiles to the temporary tablespaces after recoveryC、perform a media recovery and open the database with the RESETLOGS optionD、perform a media recovery and bring the database to NOARCHIVELOG mode

考题 You executed the following command in Recovery Manager (RMAN) to perform a backup of the DETTBS tablespace: RMAN BACKUP TABLESPACE DETTBS;  Under which conditions would this command execute successfully? ()A、 The database is in NOMOUNT state.B、 The database is in NOARCHIVELOG mode and the tablespace is online.C、 The database is in NOARCHIVELOG mode and the tablespace is offline.D、 The database is in ARCHIVELOG mode and the tablespace is offline.E、 The database is in ARCHIVELOG mode and the tablespace is online.

考题 You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?()A、Database Datafiles B、Database Control Files C、Online redo logsD、Archived redo logs E、The database SPFILE F、None of the above, all these files are backed up. 

考题 You are using the backup scheduler in Enterprise Manager (EM) to schedule a backup of your database. Which type of script does the backup scheduler generate? ()A、SQL scriptB、PL/SQL scriptC、Operating System (OS) scriptD、Enterprise Manager (EM) scriptE、Recovery Manager (RMAN) script

考题 Your database is in ARCHIVELOG mode. On Friday evening, you perform an online database backup by using the BACKUP DATABASE command at the Recovery Manager (RMAN) prompt and close the  database. On Monday, the System Administrator informs you about the failure of two hard disks. One of the lost disks contains two datafiles, HR1.DBF and HR2.DBF, both of which belong to a read/write tablespace named HR. The disk also contains a datafile, USERS.DBF, which belongs to a read/write tablespace named USERS. You need to restore and recover the database backup that was performed on Friday evening. After mounting the database, you issue the following RMAN commands:        RMANRESTORE DATABASE;        RMANRECOVER DATABASE;   After successfully executing these RMAN commands, you issue the following statement using SQL*Plus:        SQLALTER DATABASE OPEN;   You receive the following errors when attempting to open the database:        ORA-01157: cannot identify/lock data file 10 see DBWR trace file        ORA-01110: data file 10: ’D:///USERS.DBF’   What is the cause of these errors?()A、 The USERS.DBF datafile is corrupted and cannot be restored by RMAN.B、 The USERS.DBF datafile was not backed up using the RMAN BACKUP DATABASE command.C、 The USERS.DBF datafile was not restored using the RMAN RESTORE DATABASE command.D、 The USERS.DBF datafile was not recovered using the RMAN RECOVER DATABASE command.

考题 You administer an Oracle Database 10g and a third-party database. You use Recovery Manager (RMAN) to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command?()A、 target databaseB、 auxiliary databaseC、 third-party databaseD、 recovery catalog database

考题 You work as a database administrator for Supportcenter.cn. You are using Recovery Manager (RMAN) for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of a tablespace. Which statement is true in this scenario?()A、The backup status will be marked expired in RMAN recovery catalog.B、The backup status will be marked deleted in RMAN recovery catalog after you execute the crosscheck command.C、The backup will be deleted physically from the OS (Operating system)and the backup information is removed from the recovery cataloglD、The backup status will be marked deleted and you must delete the backup file manually from the OS (Operating system).E、The backup status will be marked deleted and you must delete the backup file manually from the OS (Operating system), if you are not using Oracle Managed Files (OMF).

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 多选题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? ()Awhen you change the name of a datafileBwhen you drop a table from the databaseCwhen you take an export of the databaseDwhen you back up the database using OS utilitiesEwhen you issue an ALTER SYSTEM SWITCH LOGFILE statementFwhen you issue a BACKUP command from inside the RMAN run block

考题 单选题It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager (RMAN). How would you make use of this consistent backup in RMAN?()A cannot be used in RMANB by starting up the database againC by using the CATALOG command of RMAND by using the RECOVER CATALOG command in RMANE by re-creating the target control file to rebuild the RMAN repository

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

考题 单选题You work as a database administrator for Supportcenter.cn. You are using Recovery Manager (RMAN) for backup and recovery of your database. You executed the delete command in RMAN to delete a backup of a tablespace. Which statement is true in this scenario?()A The backup status will be marked expired in RMAN recovery catalog.B The backup status will be marked deleted in RMAN recovery catalog after you execute the crosscheck command.C The backup will be deleted physically from the OS (Operating system)and the backup information is removed from the recovery cataloglD The backup status will be marked deleted and you must delete the backup file manually from the OS (Operating system).E The backup status will be marked deleted and you must delete the backup file manually from the OS (Operating system), if you are not using Oracle Managed Files (OMF).

考题 多选题Your PROD database has been started using the server parameter file. In your PROD database you are using RMAN for backup and recovery operations. You issue the following commands from the RMAN prompt:     RMAN CONFIGURE CONTROLFILE AUTOBACKUP OFF;   RMAN BACKUP DATABASE;   Which files from the database will be backed up as a result of this BACKUP command?()Acontrol fileBall datafilesCpassword fileDonline redo log fileEarchive redo log fileFserver parameter fileGonly the SYSTEM datafile

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 多选题You executed the following command in Recovery Manager (RMAN) to perform a backup of the DETTBS tablespace:  RMAN BACKUP TABLESPACE DETTBS;  Under which conditions would this command execute successfully? ()AThe database is in NOMOUNT state.BThe database is in ARCHIVELOG mode and the tablespace is online.CThe database is in ARCHIVELOG mode and the tablespace is offline.DThe database is in NOARCHIVELOG mode and the tablespace is online.EThe database is in NOARCHIVELOG mode and the tablespace is offline.

考题 单选题Your database runs in NOARCHIVELOG mode, and is backed up every night using RMAN scripts. However, last night your assistant DBA performed a manual operating system backup, instead of running the scripts. Today your database crashed and you now want to use the backups from last night. What do you need todo?()A You need to perform the restore and recover operations manually, because the backup was made manually. B First you need to resynchronize the catalog with the control file, and then you can use RMAN to recover the database. C First you need to add the backup to the catalog using the CATALOG command, and then you can use RMAN to recover the database. D You can just use RMAN and recover the database, because RMAN automatically updates the catalog with the backup information. 

考题 单选题You administer an Oracle Database 10g and a third-party database. You use Recovery Manager (RMAN) to perform backup and recovery operations. You have configured a recovery catalog to act as an RMAN repository. To which of the following databases can you NOT connect using the RMAN CONNECT command?()A  target databaseB  auxiliary databaseC  third-party databaseD  recovery catalog database

考题 单选题You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?()A  Database DatafilesB  Database Control FilesC  Online redo logsD  Archived redo logsE  The database SPFILEF  None of the above,all these files are backed up