单选题Assume your situation can be described as follows: x A full backup taken using RMAN is available on disk.  x The current control files were NOT damaged and do not need to be restored.  x All data files are damaged or lost.  x The database is in NOARCHIVELOG mode.  Which RMAN command would be most appropriate to use in line 3 of the following RMAN command set to restore and fully recover your database?() 1. RMAN STARTUP MOUNT  2. RMAN RESTORE DATABASE;  3. RMAN ()  4. RMAN ALTER DATABASE OPEN;ARECOVER DATABASE;BSWITCH DATAFILE ALL;CRESTORE CONTROL FILE;DRECOVER DATABASE USING BACKUP CONTROL FILE;

单选题
Assume your situation can be described as follows: x A full backup taken using RMAN is available on disk.  x The current control files were NOT damaged and do not need to be restored.  x All data files are damaged or lost.  x The database is in NOARCHIVELOG mode.  Which RMAN command would be most appropriate to use in line 3 of the following RMAN command set to restore and fully recover your database?() 1. RMAN> STARTUP MOUNT  2. RMAN> RESTORE DATABASE;  3. RMAN> ()  4. RMAN> ALTER DATABASE OPEN;
A

RECOVER DATABASE;

B

SWITCH DATAFILE ALL;

C

RESTORE CONTROL FILE;

D

RECOVER DATABASE USING BACKUP CONTROL FILE;


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Your database is running in ARCHIVELOG mode. One of the data files,USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile 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. The latest backup of only the damaged data fileD. The latest backup of all the data file in the USERS tablespaceE. Temporary files of temporary tablespaceF. Archive Logs since the latest backup to point of failure

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Your database is running in ARCHIVELOG mode. One of the data files,USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile 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、The latest backup of only the damaged data fileD、The latest backup of all the data file in the USERS tablespaceE、Temporary files of temporary tablespaceF、Archive Logs since the latest backup to point of failure

Your database is running in ARCHIVELOG mode. One of the data files, USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator ()(DBA)? (Choose Three)A、Redo logsB、Control fileC、The latest backup of only the damaged data fileD、The latest backup of all the data file in the USERS tablespaceE、Temporary files of temporary tablespaceF、Archive Logs since the latest backup to point of failure

Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you.  Which two statements are true in this scenario?()A、The instance aborts.B、The database cannot be recovered.C、The database can be recovered by restoring the control files from the backup.D、The database remains opened and you have to shut it down with the ABORT option.E、The database can be restored till the point of the last closed whole database backup.

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

You are using RMAN to perform a closed database backup of your database. You issue these RMAN commands: STARTUP MOUNT; BACKUP  FORMAT ’/BACKUP/df_%d_%s_%p.bus’  DATABASE filesperset = 2;  Which components are included in the backup?()A、Only the data files.B、Only the data files and the online logs.C、The data files, control files, and the online logs.D、The data files and control files, but not the online logs.

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

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You have an Automatic Storage Management (ASM) instance managing the database files of your production database. The database contains ASM files and non/x7fASM files. Using Recovery Manager (RMAN), you migrate the complete production database to use the ASM instance. Which statement is true?()A、RMAN would relocate all the database files to an ASM disk group.B、RMAN would change the file definitions in the control file to use the ASM but would not relocate the database files physically.C、RMAN would relocate all the data files to an ASM disk group and other files to an operating system location, defined using Oracle Managed Files (OMF).D、RMAN would relocate the ASM files to an ASM disk group and the non­ASM files to an operating system location, defined using OMF

You are using Oracle Database 10g. Which statement regarding an incomplete recovery is true?()A、 You do not need to restore all the data files.B、 You do not need to open the database with the RESETLOGS operationC、 You do not need to perform a full backup after the RESETLOGS operation.D、 You do not need to recover all the data files to the same system change number (SCN).

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单选题You are operating your database in NOARCHIVELOG mode. Your most recent backup includes a copy of all of the data files and the control files taken when the current log sequence number was 45. You experience disk failure on the drive on which your SYSTEM tablespace data files are stored. At the time of the failure, the current log sequence number is 98. Which files should you restore to recover from the loss of the SYSTEM tablespace data files?()AOnly the data files.BAll of the data files and the control files.COnly the data files belonging to the SYSTEM tablespace.DOnly the data files belonging to the SYSTEM tablespace and the control files.

单选题Examine the following scenario: The target database instance is running. The most recent backup available for the target database was taken two days ago. Log files switches have occurred in last two days. The target database is duplicated on the same host, using the Recovery Manager (RMAN) duplicate command as follows:   RMAN RUN { ALLOCATE AUXILIARY CHANNEL aux 1 DEVICE TYPE DISK;  DUPLICATE TARGET DATABASE TO auxdb; }   Which statement is true about the duplicate database in this scenario?()A It contains data till the last backupB It contains all data from target database until the current timeC It contains all data from only the committed transactions in the target databaseD It contains all data except that which is used by the transactions in the current online redo file of target database

单选题You are using RMAN to perform a closed database backup of your database. You issue these RMAN commands: STARTUP MOUNT; BACKUP  FORMAT ’/BACKUP/df_%d_%s_%p.bus’  DATABASE filesperset = 2;  Which components are included in the backup?()AOnly the data files.BOnly the data files and the online logs.CThe data files, control files, and the online logs.DThe data files and control files, but not the online logs.

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?()ADatabase Datafiles BDatabase Control Files COnline redo logsDArchived redo logs EThe database SPFILE FNone of the above, all these files are backed up.

单选题You are using Oracle Database 10g. Which statement regarding an incomplete recovery is true?()A You do not need to restore all the data files.B You do not need to open the database with the RESETLOGS operationC You do not need to perform a full backup after the RESETLOGS operation.D You do not need to recover all the data files to the same system change number (SCN).

多选题Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you. Which two statements are true in this scenario?()AThe instance aborts.BThe database cannot be recovered.CThe database can be recovered by restoring the control files from the backup.DThe database remains opened and you have to shut it down with the ABORT option.EThe database can be restored till the point of the last closed whole database backup.

多选题Your database is running in ARCHIVELOG mode. One of the data files,USERDATA01.dbf, in the USERS tablespace is damaged and you need to recover the file until the point of failure. The backup for the datafile is available. Which three files would be used in the user-managed recovery process performed by the database administrator (DBA)?()ARedo logsBControl fileCThe latest backup of only the damaged data fileDThe latest backup of all the data file in the USERS tablespaceETemporary files of temporary tablespaceFArchive Logs since the latest backup to point of failure

单选题Your database is running in ARCHIVELOG mode, and the database is open. You execute an RMAN backup and specify the KEEP clause.  Which components are backed up when this option is specified?()A only the control file, the current SPFILE, and data filesB only the current SPFILE and data files if autobackup is disabledC only the data files and the archived redo logsD the control file,current SPFILE file,data files,and archived redo logs

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

多选题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)?()Aredo logsBcontrol fileCtemporary files of temporary tablespaceDthe latest backup of only the damaged data fileEthe latest backup of all the data files In the USERS tablespace