单选题You have configured the following： RMAN CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’； new RMAN configuration parameters： CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’； new RMAN configuration parameters are successfully stored RMAN SHOW DEVICE TYPE； RMAN configuration parameters are： CONFIGURE DEVICE TYPE SBT PARALLELISM 1； # CONFIGURE DEVICE TYPE DISK PARALLELISM 1； # RMAN CONFIGURE DEVICE TYPE SET PARALLELISM 5； RMAN SHOW DEVICE TYPE； RMAN configuration parameters are： CONFIGURE DEVICE TYPE SBT PARALLELISM 5； CONFIGURE DEVICE TYPE DISK PARALLELISM 1； # How many channels are allocated to SBT？（）A0， because channels have not been defined.B3， as indicated by the degree of parallelism.C1， the default value when device is configured.D5， as indicated by the last parallelism command.
单选题
You have configured the following： RMAN> CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’； new RMAN configuration parameters： CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’； new RMAN configuration parameters are successfully stored RMAN> SHOW DEVICE TYPE； RMAN configuration parameters are： CONFIGURE DEVICE TYPE SBT PARALLELISM 1； # CONFIGURE DEVICE TYPE DISK PARALLELISM 1； # RMAN> CONFIGURE DEVICE TYPE SET PARALLELISM 5； RMAN> SHOW DEVICE TYPE； RMAN configuration parameters are： CONFIGURE DEVICE TYPE SBT PARALLELISM 5； CONFIGURE DEVICE TYPE DISK PARALLELISM 1； # How many channels are allocated to SBT？（）
A
0， because channels have not been defined.
B
3， as indicated by the degree of parallelism.
C
1， the default value when device is configured.
D
5， as indicated by the last parallelism command.
参考解析
解析：
暂无解析
相关考题：
Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.() A. Backup retention policyB. Default backup device typeC. Default destinations for backupsD. Multiple backup device types for single backupE. Default section size for backups
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
What command would you use to set a persistent setting in RMAN so that backups are all written to a tape device?（）A、CONFIGURE DEFAULT DEVICE TYPE TO TAPE MEDIA B、CONFIGURE DEFAULT DEVICE TYPE TO TAPE C、CONFIGURE DEFAULT DEVICE TYPE TO SBT D、CONFIGURE DEFAULT DEVICE TYPE TO SBT_TAPE
You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager （RMAN）. The most recent backup of the TOOLS tablespace to disk was taken on January 3. The TOOLS tablespace is read/x7fonly. On February 21， when you execute a command to back up all the tablespaces to disk， you find that RMAN backs up the TOOLS tablespace also， even though the contents of the tablespace have not changed after the backup on January 3. Because there are no changes made to the TOOLS tablespace， you decide that the tablespace should not be backed up by RMAN. What can you to do skip backing up the TOOLS tablespace without changing the current backup optimization setting？（）A、configure a default device for RMAN backupsB、temporarily disable the retention policy for RMAN backupsC、configure automatic channel allocation for RMAN backupsD、use the CONFIGURE command to reconfigure the recovery window to 60 days
Which command is used to configure RMAN to perform a compressed backup for every backup executed？（）A、 BACKUP AS COMPRESSED BACKUPSET DATABASEB、 BACKUP AS COMPRESSED COPY OF DATABASEC、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E、 BACKUP DATABASE COMPRESS
Which statement is true regarding RMAN components？（）A、Each target database requires its own recover catalog. B、RMAN scripts can be stored in the recovery catalog or the target control file. C、A channel is a stream of data to a device type and corresponds to one server session. D、The RMAN executable interprets sever session commands and establishes connections to the target database.
Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（）A、Backup retention policyB、Default backup device typeC、Default destinations for backupsD、Multiple backup device types for single backupE、Default section size for backups
You want to take the backup of the USERS tablespace. It has a single data file of 900 MB. You have tape drives of 300 MB each. The SBT channel is configured for Recovery Manager (RMAN). To accomplish the backup, you issued the following RMAN command: RMAN BACKUP SECTION SIZE 300M TABLESPACE users; Which two statements are true about the execution of the above command? （）(Choose two.)A、The backup piece size will be limited to 300 MBB、The RMAN uses multiplexing to perform backupC、The operation is accomplished using the default channel availableD、The RMAN parallelizes the backup although the parallelism is not set for a channel
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 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
Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.（） (Choose all that apply.)A、Backup retention policyB、Default backup device typeC、Default destinations for backupsD、Multiple backup device types for single backupE、Default section size for backups
In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN: RMAN CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET; RMAN CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT '/home/oracle/disk1/%U'; RMAN CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT '/home/oracle/disk2/%U'; You issue the following RMAN command to backup the database: RMAN RUN 2 { 3 ALLOCATE CHANNEL ch1 DEVICE TYPE disk; 4 BACKUP DATABASE; 5 } Which statement is true about the outcome?（）A、Only one channel is allocated and the backup is created in the flash recovery areaB、Only one channel is allocated and the backup is created in the destination specified for channel 1C、Two channels are allocated and backup sets are created in the destinations specified for channels 1 and 2D、Three channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA
You execute the following command to perform a backup by using Recovery Manager （RMAN）： RMAN run {allocate channel c1 type sbt; backup datafile 1; } The command errors out. A part of the error message is as follows： RMAN/x7f03009： failure of allocate command on c1 channel ORA/x7f19554： error allocating device， device type： SBT_TAPE， device name： What could explain why the statement failed？（）A、sbt is not a valid device type.B、Media Management Library was not loaded.C、The sbt device cannot be used for data file backups.D、No path was defined in the ALLOCATE CHANNEL command.E、The channel is currently being used by another RMAN session.
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
You are performing a backup of your database across the network. While taking the backup， you want to save space on the storage media and reduce the network bandwidth. Which command will you issue to configure the required type of backup？（）A、 CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO BACKUPSET；B、 CONFIGURE DEVICE TYPE TO disk BACKUP TYPE TO COPY；C、 CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED BACKUPSET；D、 CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED COPY；
You notice that your RMAN script used to copy the datafiles， control files， and archived redo log files is performing very slowly. Which two changes might you want to include in your RMAN script to speed up the COPY commands？（）A、NOCHECKSUMB、MAXCORRUPTC、CHECK LOGICALD、BACKUP INCREMENTALE、CONFIGURE DEVICE TYPE ... PARALLELISM
You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager （RMAN）. The most recent backup of the TOOLStablespace to disk was taken on January 3. The TOOLStablespace is read-only.On February 21， when you execute a command to back up all the tablespaces to disk， you find that RMAN backs up the TOOLS tablespace also， even though the contents of the tablespace have not changed after the backup on January 3. Because there are no changes made to the TOOLStablespace， you decide that the tablespace should not be backed up by RMAN. What can you do to skip backing up the TOOLStablespace without changing the current backup optimization setting？（）A、 configure a default device for RMAN backupsB、 temporarily disable the retention policy for RMAN backupsC、 configure automatic channel allocation for RMAN backupsD、 use the CONFIGURE command to reconfigure the recovery window to 60 days
单选题You are performing a backup of your database across the network. While taking the backup， you want to save space on the storage media and reduce the network bandwidth. Which command will you issue to configure the required type of backup？（）A CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO BACKUPSET；B CONFIGURE DEVICE TYPE TO disk BACKUP TYPE TO COPY；C CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED BACKUPSET；D CONFIGURE DEVICE TYPE TO sbt BACKUP TYPE TO COMPRESSED COPY；
单选题What command would you use to set a persistent setting in RMAN so that backups are all written to a tape device?（）ACONFIGURE DEFAULT DEVICE TYPE TO TAPE MEDIA BCONFIGURE DEFAULT DEVICE TYPE TO TAPE CCONFIGURE DEFAULT DEVICE TYPE TO SBT DCONFIGURE DEFAULT DEVICE TYPE TO SBT_TAPE
单选题In your database, the flash recovery area (FRA) is configured as the default for RMAN backups. You executed the following commands to configure the settings in RMAN: RMAN CONFIGURE DEVICE TYPE disk PARALLELISM 2 BACKUP TYPE TO BACKUPSET; RMAN CONFIGURE CHANNEL 1 DEVICE TYPE disk FORMAT '/home/oracle/disk1/%U'; RMAN CONFIGURE CHANNEL 2 DEVICE TYPE disk FORMAT '/home/oracle/disk2/%U'; You issue the following RMAN command to backup the database: RMAN RUN 2 { 3 ALLOCATE CHANNEL ch1 DEVICE TYPE disk; 4 BACKUP DATABASE; 5 } Which statement is true about the outcome?（）AOnly one channel is allocated and the backup is created in the flash recovery areaBOnly one channel is allocated and the backup is created in the destination specified for channel 1CTwo channels are allocated and backup sets are created in the destinations specified for channels 1 and 2DThree channels are allocated and backup sets are created in the destinations specified for channels 1, 2, and FRA
单选题You have configured the following： RMAN CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’； new RMAN configuration parameters： CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’； new RMAN configuration parameters are successfully stored RMAN SHOW DEVICE TYPE； RMAN configuration parameters are： CONFIGURE DEVICE TYPE SBT PARALLELISM 1； # CONFIGURE DEVICE TYPE DISK PARALLELISM 1； # RMAN CONFIGURE DEVICE TYPE SET PARALLELISM 5； RMAN SHOW DEVICE TYPE； RMAN configuration parameters are： CONFIGURE DEVICE TYPE SBT PARALLELISM 5； CONFIGURE DEVICE TYPE DISK PARALLELISM 1； # How many channels are allocated to SBT？（）A0， because channels have not been defined.B3， as indicated by the degree of parallelism.C1， the default value when device is configured.D5， as indicated by the last parallelism command.
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You execute the following command to perform a backup by using Recovery Manager （RMAN）： RMAN run {allocate channel c1 type sbt; backup datafile 1; } The command errors out. A part of the error message is as follows： RMAN/x7f03009： failure of allocate command on c1 channel ORA/x7f19554： error allocating device， device type： SBT_TAPE， device name： What could explain why the statement failed？（）Asbt is not a valid device type.BMedia Management Library was not loaded.CThe sbt device cannot be used for data file backups.DNo path was defined in the ALLOCATE CHANNEL command.EThe channel is currently being used by another RMAN session.
单选题Which command is used to configure RMAN to perform a compressed backup for every backup executed？（）A BACKUP AS COMPRESSED BACKUPSET DATABASEB BACKUP AS COMPRESSED COPY OF DATABASEC CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E BACKUP DATABASE COMPRESS
单选题You have configured the following： RMAN CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’； new RMAN configuration parameters： CONFIGURE DEFAULT DEVICE TYPE TO ’sbt’； new RMAN configuration parameters are successfully stored RMAN SHOW DEVICE TYPE； RMAN configuration parameters are： CONFIGURE DEVICE TYPE SBT PARALLELISM 1； # CONFIGURE DEVICE TYPE DISK PARALLELISM 1； # RMAN CONFIGURE DEVICE TYPE SET PARALLELISM 5； RMAN SHOW DEVICE TYPE； RMAN configuration parameters are： CONFIGURE DEVICE TYPE SBT PARALLELISM 5； CONFIGURE DEVICE TYPE DISK PARALLELISM 1； # How many channels are allocated to SBT？（）A0， because channels have not been defined.B3， as indicated by the degree of parallelism.C1， the default value when device is configured.D5， as indicated by the last parallelism command.
单选题You set the recovery window to seven days and the backup optimization to ON using the CONFIGURE command of Recovery Manager （RMAN）. The most recent backup of the TOOLStablespace to disk was taken on January 3. The TOOLStablespace is read-only.On February 21， when you execute a command to back up all the tablespaces to disk， you find that RMAN backs up the TOOLS tablespace also， even though the contents of the tablespace have not changed after the backup on January 3. Because there are no changes made to the TOOLStablespace， you decide that the tablespace should not be backed up by RMAN. What can you do to skip backing up the TOOLStablespace without changing the current backup optimization setting？（）A configure a default device for RMAN backupsB temporarily disable the retention policy for RMAN backupsC configure automatic channel allocation for RMAN backupsD use the CONFIGURE command to reconfigure the recovery window to 60 days
单选题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?（）AThe backup will terminate because the FORMAT clause was not configured for the channelBIt backs up two copies of data files to tape and disk, and two copies of archived log file on tapeCIt backs up the data files and archived log files to disk, making two copies of each data file and archived log fileDIt backs up the data files and archived log files to tape, making two copies of each data file and archived log file
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