The size of the largest datafile, data1.dbf, in your database is 30MB. You issued the following command: RMANCONFIGURE MAXSETSIZE 10MB; What will be the impact of the above setting?()A、 While performing the backup of the datafile,data1.dbf,one backup set is created.B、 While performing the backup of the datafile,data1.dbf,two backup sets are created.C、 While performing the backup of the datafile,data1.dbf,three backup sets are created.D、 While performing the backup of the datafile,data1.dbf,the command for performing a backup of the datafile,data1.dbf,will fail.
The size of the largest datafile, data1.dbf, in your database is 30MB. You issued the following command: RMAN>CONFIGURE MAXSETSIZE 10MB; What will be the impact of the above setting?()
- A、 While performing the backup of the datafile,data1.dbf,one backup set is created.
- B、 While performing the backup of the datafile,data1.dbf,two backup sets are created.
- C、 While performing the backup of the datafile,data1.dbf,three backup sets are created.
- D、 While performing the backup of the datafile,data1.dbf,the command for performing a backup of the datafile,data1.dbf,will fail.
相关考题:
You issued the following commands to configure setting in RMAN;RMAN CONFIGURE DEVICE TYPE sbt PARALLELISM 1;RMAN CONFIGURE DEFAULT DEVICE TYPE TO sbt;RMAN CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2;RMAN CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2;RMAN CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;Then you issued the following command to take the backup:RMAN BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command?()A. The backup will terminate because the FORMAT clause was not configured for the channelB. It backs up two copies of data files to tape and disk, and two copies of archived log file on tapeC. It backs up the data files and archived log files to disk, making two copies of each data file and archived log fileD. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file
Your database in running in the ARCHIVELOG mode. You issue the following command to back up datafile 2 in your database. RMAN COPY DATAFILE 2 TO ’D:///ORACLE/ORA90/MYNEWDB/DA2.DBF’; Which two statements are true regarding the backup created using this command?()A、 The copy of the datafile created is stored in the RMAN repository.B、 The copy of the datafile created can be viewed using the LIST BACKUP command.C、 The copy of the datafile created using this COPY command can be placed only on the disk.D、 The copy of the datafile created is similar to the backup of the file created using the BACKUP command.E、 The copy of the datafile created can be used for recovering the database using the user-managed recovery method.
You are maintaining your database in Oracle10g. You are performing an incomplete recovery because the tablespace, DATA1, was dropped and purged from the Recycle Bin. After performing an incomplete recovery, you open the database with the RESETLOGS option. What will NOT be the impact of using the RESETLOGS option?()A、 The log sequence for the database will restart from 1.B、 The log sequence number will be written to the control file.C、 The log sequence number will be written to the datafile headers.D、 The log sequence number will be written to the initialization parameter file.
The datafiles of your database are ASM files. You are performing a check for datafile block corruption by using the DBVERIFY utility. What is a prerequisite for checking block corruption on an ASM datafile by using the DBVERIFY utility?() A、 The block change tracking feature must be enabled.B、 OMF must be configured on your database.C、 The database must be in ARCHIVELOG mode.D、 A USERID must be supplied.
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
You execute a command to resize a data file, sales.dbf, of size 200 MB in your database: ALTER DATABASE DATAFILE ’/remorse/sales.dbf’ RESIZE 150M; Which statement is true about this command()A、The command must be issued in MOUNT state.B、The command succeeds only if the data file is offline.C、The command must be issued when the database is in the archivelog mode.D、The command succeeds if no extent in the tablespace is currently allocated above the 150 MB boundary of the file.
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
What is the impact of the results of the output of the following command?() RMAN report unrecoverable database; Report of files that need backup due to unrecoverable operations File Type of Backup Required Name 4 full or incremental C:///ORACLE/ORADATA/ORCL/USERS01.DBF A、 There are no backup sets with any backups of the users01.dbf datafile.B、 The users01.dbf datafile has had unrecoverable operations occur in it. It will need to be backed up or some data loss is possible during a recovery.C、 The users01.dbf datafile is corrupted.D、 The users01.dbf datafile backup exceeds the retention criteria.E、 The last backup of the users01.dbf datafile failed and must be rerun.
You issued the following RMAN command: RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON; What is NOT an impact of using the above command?()A、 When a successful backup is recorded in the RMAN repository, then a backup of the current control file is performed.B、 When a structural change is made to the database, then a backup of the current control file is performed.C、 When a successful backup is performed in the RMAN repository, then a backup of the spfile is performed.D、 When a structural change is made to the database, then a backup of the alert log file will be performed.
You configured the default backup device type as disk for RMAN backups. In your database,because of business requirements,you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used. What must you set using the RMAN CONFIGURE command to achieve this?() A、 MAXSETSIZE TO 2B、 DEVICE TYPE DISK PARALLELISM 2C、 RETENTION POLICY TO REDUNDANCY 2D、 DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2
You have configured your database to use RMAN for backup and recovery. You must back up the datafile contained in the TS1 tablespace. The size of the datafile in the TS1 tablespace is 200 MB. You issue the following command from the RMAN prompt to perform a backup of the tablespace: RMAN BACKUP TABLESPACE TS1 MAXSETSIZE 100M; Which statement is true about executing this command?()A、 The command generates an error.B、 The command backs up the tablespace and creates a backup set of size 200 MBC、 The command backs up the tablespace and creates two backup sets of size 100 MB each.D、 The command backs up the tablespace and creates a backup set with backup pieces of size 100 MB each.
You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Identify the appropriate configuration to accomplish faster and optimized backups using the above command.()A、The SBT channel must be configured, with the MAXPIECESIZE set to 300 mb.B、The SBT channel must be configured, with the parallelism setting for the SBT devices set to 3.C、The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0.D、The SBT channel must be configured, with the default parallelism setting for the SBT devices set to 1
You issue the following command: RMANCONFIGURE BACKUP OPTIMIZATION ON; What is the result of this command on your backups?()A、 An incremental backup strategy will be used automatically.B、 Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.C、 RMAN will configure itself for maximum performance at the cost of CPU.D、 RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.E、 RMAN will automatically compress backups.
Another DBA issues a shutdown abort command on a database on which you were running an online backup. What will happen when you try to restart the database?() A、 Oracle will automatically take the datafile out of hot backup mode,generate a warning message,and then open the database.B、 Oracle will automatically take the datafile out of hot backup mode and then open the database.C、 Oracle will generate an error when trying to open the database,indicating that a datafile is in hot backup mode.You will need to correct this error before you can open the database.D、 The database will open with the file in hot backup mode. You can restart the backup at any time.E、 The datafile in hot backup mode will be corrupted and you will have to recover it.
You have issued the following command: RMANCONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 100 DAYS; What will be the result of using the above command?()A、 The backup metadata will be maintained in the control file for 100 days.B、 The backup metadata will be maintained in the recovery catalog for 100 days.C、 The backup metadata will be maintained in the flash recovery area for 100 days.D、 After 100 days, the backup sets and image copies will be deleted from the media.
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.
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
Given the script create script db_backup_datafile_script {backup datafile and 1, and2 plus archivelog delete input;} Run {execute script db_backup_datafile_script using 2;} What is the result of running this command?() A、 The script will fail since you instructed RMAN to back up only one datafile rather than twoB、 The script will successfully back up datafile 3 without errorC、 The script will fail since it uses a substitution variable which is not supportedD、 The execute script command will prompt for the value of and2 since it’s not included in the commandE、 The script will fail because you cannot use the plus archivelog command when backing up
You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command: RMANBACKUP SECTION SIZE 300M TABLESPACE users; What configuration should be effected to accomplish faster and optimized backups by using the above command?()A、 The SBT channel must be configured, with the default parallelism setting for the SBT device set to 1B、 The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0C、 The SBT channel must be configured, with the parallelism setting for the SBT device set to 3D、 The SBT channel must be configured, with the MAXPIECESIZE set to 300 MB
单选题You execute a command to resize a data file, sales.dbf, of size 200 MB in your database: ALTER DATABASE DATAFILE ’/remorse/sales.dbf’ RESIZE 150M; Which statement is true about this command()AThe command must be issued in MOUNT state.BThe command succeeds only if the data file is offline.CThe command must be issued when the database is in the archivelog mode.DThe command succeeds if no extent in the tablespace is currently allocated above the 150 MB boundary of the file.
单选题You are managing an Oracle Database 11g database. You want to take a backup on tape drives of the USERS tablespace that has a single data file of 900 MB. You have tape drives of 300 MB each. To accomplish the backup, you issued the following RMAN command: RMANBACKUP SECTION SIZE 300M TABLESPACE users; What configuration should be effected to accomplish faster and optimized backups by using the above command?()A The SBT channel must be configured, with the default parallelism setting for the SBT device set to 1B The COMPATIBLE initialization parameter for the database instance must be set to at least 10.0C The SBT channel must be configured, with the parallelism setting for the SBT device set to 3D The SBT channel must be configured, with the MAXPIECESIZE set to 300 MB
单选题Given the script create script db_backup_datafile_script {backup datafile and 1, and2 plus archivelog delete input;} Run {execute script db_backup_datafile_script using 2;} What is the result of running this command?()A The script will fail since you instructed RMAN to back up only one datafile rather than twoB The script will successfully back up datafile 3 without errorC The script will fail since it uses a substitution variable which is not supportedD The execute script command will prompt for the value of and2 since it’s not included in the commandE The script will fail because you cannot use the plus archivelog command when backing up
单选题The size of the largest datafile, data1.dbf, in your database is 30MB. You issued the following command: RMANCONFIGURE MAXSETSIZE 10MB; What will be the impact of the above setting?()A While performing the backup of the datafile,data1.dbf,one backup set is created.B While performing the backup of the datafile,data1.dbf,two backup sets are created.C While performing the backup of the datafile,data1.dbf,three backup sets are created.D While performing the backup of the datafile,data1.dbf,the command for performing a backup of the datafile,data1.dbf,will fail.
单选题You issued the following RMAN command: RMAN CONFIGURE CONTROLFILE AUTOBACKUP ON; What is NOT an impact of using the above command?()A When a successful backup is recorded in the RMAN repository, then a backup of the current control file is performed.B When a structural change is made to the database, then a backup of the current control file is performed.C When a successful backup is performed in the RMAN repository, then a backup of the spfile is performed.D When a structural change is made to the database, then a backup of the alert log file will be performed.
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
单选题The datafiles of your database are ASM files. You are performing a check for datafile block corruption by using the DBVERIFY utility. What is a prerequisite for checking block corruption on an ASM datafile by using the DBVERIFY utility?()A The block change tracking feature must be enabled.B OMF must be configured on your database.C The database must be in ARCHIVELOG mode.D A USERID must be supplied.
单选题You configured the default backup device type as disk for RMAN backups. In your database,because of business requirements,you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used. What must you set using the RMAN CONFIGURE command to achieve this?()A MAXSETSIZE TO 2B DEVICE TYPE DISK PARALLELISM 2C RETENTION POLICY TO REDUNDANCY 2D DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2