考题
Examine the following command used to perform incremental level 0 backup:RMAN BACKUP INCREMENTAL LEVEL 0 DATABASE;To enable the block change tracking, after the incremental level 0 backup you issued the following command:SQL ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USINGFILE ‘/mydir/rman_change_track.f‘;To perform incremental level 1 cumulative backup, you issued the following command:RMAN BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE;Which two statements are true in the above situation?()A. The block change tracking data will be used only from the next incremental 0 backup.B. The incremental backup will use change tracking data for accomplishing the backup.C. The incremental backup will not use change tracking data for accomplishing the backup.D. The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.
考题
You use a recovery catalog for maintaining your database backups.You execute the following command:$rman TARGET / CATALOG rman / cat@catdbRMAN >BACKUP VALIDATE DATABASE ARCHIVELOG ALL;Which two statements are true?()A. Corrupted blocks, if any, are repaired.B. Checks are performed for physical corruptions.C. Checks are performed for logical corruptions.D. Checks are performed to confirm whether all database files exist in correct locationsE. Backup sets containing both data files and archive logs are created.
考题
You execute the following Recovery Manager (RMAN) commands in he following order: BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST; Which two tasks are performed by these commands?() A、 Repair the corrupted blocks. If any. In the backup createdB、 Populate VSCOPV_CORRUPTION with names of files that have corrupted blocksC、 Back up the database after checking whether array of the files have corrupted blocksD、 Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION viewE、 Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION
考题
You use a recovery catalog for maintaining your database backups.You execute the following command:$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.
考题
You have created a script in the recovery catalog called backup_database. Which of the following commands would successfully execute that script?() A、 run { open script backup_database; run script backup_database }B、 run { engage script backup_database; }C、 run { run script backup_database; }D、 Run { execute script backup_database; }E、 The name backup_database is an invalid name for an RMAN script. Trying to run it from RMAN would result in an error.
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
Examine the following command used to perform incremental level 0 backup: RMAN BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable the block change tracking, after the incremental level 0 backup you issued the following command: SQL ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ’/mydir/ rman_change_track.f’;To perform incremental level 1 cumulative backup, you issued the following command: RMAN BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which two statements are true in the above situation?()A、 The block change tracking data will be used only from the next incremental 0 backup.B、 The incremental backup will use change tracking data for accomplishing the backup.C、 The incremental backup will not use change tracking data for accomplishing the backup.D、 The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.
考题
You observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files: $ rman target / What would be the effect of this command?()A、RMAN would use the current operating system location to place the backup.B、RMAN would use the control file of the target database to maintain the backup.C、RMAN would use the recovery catalog of the target database to maintain the backup.D、RMAN would use the control file of the target database to maintain the backup metadata. E、RMAN would use the recovery catalog of the target database to maintain the backup metadata.
考题
You execute the following RMAN commands in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()A、create a backup of the database and recover all corrupted blocks found in the backupB、run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the databaseC、run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the viewD、run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the viewE、run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired
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 issue this RMAN command: RMAN create script Level0Backup { backup incremental level 0 format ‘/u01/db01/backup/%d_%_Sp’ fileperset 5 (database include current controlfile); sql ‘alter database archive log current’; } Which three statements are true about the Level0Backup script you just created?()A、The script is stored only in the control file.B、The script is stored only in the recover catalog.C、The script can be executed only by using the RMAN RUN command.D、The commands of the script can be displayed with the LIST command.E、The commands of the script can be displayed with the PRINT command.F、The commands of the script can be displayed with the REPORT command.
考题
You executed the following code: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will be the result of executing the above code?() A、 The code will run a backup validation to populate the V$BACKUP_CORRUPTION view and repair corrupt blocks, if any, recorded in the view.B、 The code will run a backup validate to populate the V$COPY_CORRUPTION view and then repair any corrupt blocks recorded in the view.C、 The code will runs a backup validate to populate the V$DATABASE_BLOCK_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.D、 The code will run a backup validate to populate the RC_BACKUP_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.
考题
You execute the following RMAN command in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()A、 Create a backup of the database and recover all corrupted blocks found in the backup.B、 Run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database.C、 Run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view.D、 Run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view.E、 Run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired.
考题
If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT, what RMAN command would you run to correct the problem?()A、 recover lost blocksB、 recover corrupt blocksC、 recover media corrupt blocks from listD、 recover corrupt blocks from listE、 recover corruption list
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
考题
单选题You observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files: % rman target / What would be the effect of this command?()A
RMAN would use the current operating system location to place the backup.B
RMAN would use the control file of the target database to maintain the backup.C
RMAN would use the recovery catalog of the target database to maintain the backup.D
RMAN would use the control file of the target database to maintain the backup metadata.E
RMAN would use the recovery catalog of the target database to maintain the backup metadata.
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You have created a script in the recovery catalog called backup_database. Which of the following commands would successfully execute that script?()A
run { open script backup_database; run script backup_database }B
run { engage script backup_database; }C
run { run script backup_database; }D
Run { execute script backup_database; }E
The name backup_database is an invalid name for an RMAN script. Trying to run it from RMAN would result in an error.
考题
单选题You execute the following RMAN command in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()A
Create a backup of the database and recover all corrupted blocks found in the backup.B
Run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the database.C
Run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the view.D
Run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the view.E
Run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired.
考题
单选题Your database is open and running in ARCHIVELOG mode. You take RMAN full backups every Sunday night. On Monday morning, while querying the user1.employees table, you receive the following error message: 01578: ORACLE data block corrupted (file # 5, block # 51) ORA/x7f01110: data file 5: ’/u01/app/oracle/oradata/orcl/example01.dbf’ You need to rectify the corruption while ensuring the following: The data file should remain online. The mean time to recover (MTTR) should be minimal. You are not using a backup control file, and all the archived logs are accessible. Which option would you choose?()A
flash back the corrupted blocksB
use the DBMS_REPAIR packageC
use the RMAN TSPITR commandD
use the RMAN BLOCKRECOVER commandE
use the RESTORE DATABASE and RECOVER DATABASE commandsF
investigate the time at which the corruption occurred and perform a pointintime recovery
考题
多选题You use a recovery catalog for maintaining your database backups.You execute the following command:$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.
考题
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.
考题
单选题You execute the following RMAN commands in the order shown below: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will these commands do?()A
create a backup of the database and recover all corrupted blocks found in the backupB
run a backup validation and list all the logically corrupt blocks as well as physically corrupt blocks in the databaseC
run a backup validation to populate V$COPY_CORRUPTION view, and then list any corrupt blocks recorded in the viewD
run a backup validation to populate V$DATABASE_BLOCK_CORRUPTION view, and then repair any corrupt blocks recorded in the viewE
run a backup validation, repair any corrupt blocks found during the validation process, and then update V$DATABASE_BLOCK_CORRUPTION view to indicate which corrupt blocks have been repaired
考题
多选题You execute the following Recovery Manager (RMAN) commands in he following order: BACKUP VALIDATE DATABAE RECOVER CORRUPTION LIST; Which two tasks are performed by these commands?()ARepair the corrupted blocks. If any. In the backup createdBPopulate VSCOPV_CORRUPTION with names of files that have corrupted blocksCBack up the database after checking whether array of the files have corrupted blocksDDiscover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION viewERepair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION
考题
单选题You executed the following code: BACKUP VALIDATE DATABASE; BLOCKRECOVER CORRUPTION LIST; What will be the result of executing the above code?()A
The code will run a backup validation to populate the V$BACKUP_CORRUPTION view and repair corrupt blocks, if any, recorded in the view.B
The code will run a backup validate to populate the V$COPY_CORRUPTION view and then repair any corrupt blocks recorded in the view.C
The code will runs a backup validate to populate the V$DATABASE_BLOCK_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.D
The code will run a backup validate to populate the RC_BACKUP_CORRUPTION view and then repair corrupt blocks, if any, recorded in the view.
考题
单选题Why would you execute the report obsolete command?()A
To list all backups that were no longer available for restore operationsB
To list all backups that had aged beyond the RMAN retention criteriaC
To list all backup set pieces listed in control-file or recovery-catalog metadata that are not on the backup mediaD
To list all datafiles that are no longer part of the database and thus do not need to be backed upE
To list all archived redo logs that are no longer needed for any database recovery
考题
单选题If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT, what RMAN command would you run to correct the problem?()A
recover lost blocksB
recover corrupt blocksC
recover media corrupt blocks from listD
recover corrupt blocks from listE
recover corruption list
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