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单选题
You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy： CONFIGURE RETENTION POLICY TO REDUNDANCY 3； Which statement is true？（）
A
The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabled
B
Backup optimization is performed， but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed up
C
Backup optimization is permanently disabled
D
Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
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更多 “单选题You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy： CONFIGURE RETENTION POLICY TO REDUNDANCY 3； Which statement is true？（）A The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabledB Backup optimization is performed， but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upC Backup optimization is permanently disabledD Backup optimization is temporarily disabled because a redundancy-based retention policy is specified” 相关考题
考题
You have enabled backup optimization for the RMAN environment.Identify two criteria on which RMAN will skip the file, if it has already been backed up.（）A、The data file backup is done with multiple channelsB、The data files is in the read-write mode after being backed up in the read only modeC、The backup was taken after the data files was taken offline-normal or is in the read only modeD、The data file backup complies with the back retention policy and the backup duplexing feature
考题
In which scenario will you perform a cancel-based recovery？（）A、 when a tablespace is dropped and you have only RMAN-based backup of the databaseB、 when a table is dropped and stored in the Recycle BinC、 when you are required to recover an existing table to its previous stateD、 when a tablespace is dropped and you have only a user-managed full backup of the database
考题
Consider the following scenario for your database: - Backup optimization is enabled in RMAN. - The recovery window is set to 7 days in RMAN. - The most recent backup to disk for the TOOLS tablespace was taken on November 3, 2007. - The TOOLS tablespace is read-only since November 4, 2007. On November 23, 2007, you issue the RMAN command to back up the database to disk. Which statement is true regarding the backup of the TOOLS tablespace?（）A、The RMAN backup fails because the TOOLS tablespace is read-onlyB、The RMAN skips the backup of the tablespace because backup optimization is enabledC、The RMAN makes backup because optimization can be enabled only for backups to diskD、The RMAN makes the backup because no backup of the tablespace exists within the seven day window
考题
You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy： CONFIGURE RETENTION POLICY TO REDUNDANCY 3； Which statement is true？（） A、 The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabledB、 Backup optimization is performed， but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upC、 Backup optimization is permanently disabledD、 Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
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
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 the RMAN. To accomplish the backup， you issued the following RMAN command： RMAN BACKUP SECTION SIZE 300M TABLESPACE users； Which two statements are true regarding the execution of the above command？（）A、 The RMAN parallelizes the backup although the parallelism is not set for a channel.B、 The backup piece size will be limited to 300 MB.C、 The operation is accomplished using the default channel available.D、 Three channels for the tape drive must be configured by setting the parallelism to three.
考题
You are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands： CONFIGURE DEFAULT DEVICE TYPE TO sbt； CONFIGURE BACKUP OPTIMIZATION ON； CONFIGURE RETENTION POLICY TO REDUNDANCY 3； From Monday to Saturday， you performed the following actions： Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed？（）A、 The backup will not be performed at all.B、 three timesC、 four timesD、 six times
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 have lost all your RMAN backup set pieces due to a disk failure. Unfortunately， you have an automated cross-check script that also does a delete expired backupset command. You have restored all the backup set pieces from tape. What command would you use to get those backup set pieces registered in the recovery catalog and the control file of the database again？（） A、 register databaseB、 recover catalogC、 load backupsetD、 synch metadataE、 catalog start with
考题
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；
考题
You are using Recovery Manager (RMAN) to perform backups. In which three situations would you perform a compressed backup?（）A、You are backing up to tape and your tape device performs its own compression.B、You are making image copies, and you have not enabled tablespace compression.C、You are using disk-based backups and disk space in your Flash Recovery Area, or other disk-based backup destinations are limited.D、You are performing your backups to some device over a network where reduced network bandwidth is more important than CPU usage.E、You are using some archival backup media, such as CD or DVD, where reducing backup sizes saves media costs and archival storage.
考题
You have a server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You perform a normal backup of Server1 every Saturday. You need to implement a backup strategy for Server1 to meet the following requirements: ·Minimize the time required to restore files. ·On weekdays, back up only files that have changed since the Saturday backup. Which type of backup should you perform on weekdays? （）A、copyB、dailyC、differentialD、incremental
考题
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；
考题
单选题You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy: CONFIGURE RETENTION POLICY TO REDUNDANCY 3; Which statement is true?（）A
The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabledB
Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upC
Backup optimization is permanently disabledD
Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
考题
单选题In which scenario will you perform a cancel-based recovery？（）A
when a tablespace is dropped and you have only RMAN-based backup of the databaseB
when a table is dropped and stored in the Recycle BinC
when you are required to recover an existing table to its previous stateD
when a tablespace is dropped and you have only a user-managed full backup of the database
考题
单选题You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy： CONFIGURE RETENTION POLICY TO REDUNDANCY 3； Which statement is true？（）A
The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabledB
Backup optimization is performed， but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed upC
Backup optimization is permanently disabledD
Backup optimization is temporarily disabled because a redundancy-based retention policy is specified
考题
单选题Consider the following scenario for your database: - Backup optimization is enabled in RMAN. - The recovery window is set to 7 days in RMAN. - The most recent backup to disk for the TOOLS tablespace was taken on November 3, 2007. - The TOOLS tablespace is read-only since November 4, 2007. On November 23, 2007, you issue the RMAN command to back up the database to disk. Which statement is true regarding the backup of the TOOLS tablespace?（）A
The RMAN backup fails because the TOOLS tablespace is read-onlyB
The RMAN skips the backup of the tablespace because backup optimization is enabledC
The RMAN makes backup because optimization can be enabled only for backups to diskD
The RMAN makes the backup because no backup of the tablespace exists within the seven day window
考题
多选题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 the RMAN. To accomplish the backup， you issued the following RMAN command： RMAN BACKUP SECTION SIZE 300M TABLESPACE users； Which two statements are true regarding the execution of the above command？（）AThe RMAN parallelizes the backup although the parallelism is not set for a channel.BThe backup piece size will be limited to 300 MB.CThe operation is accomplished using the default channel available.DThree channels for the tape drive must be configured by setting the parallelism to three.
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 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
单选题You have control-file autobackups enabled. When starting your database from SQL*Plus， you receive the following error message： SQL startup ORA-01078： failure in processing system parameters LRM-00109： could not open parameter file ， C:///ORACLE/PRODUCT/11.1.0/DB_1/DATABASE/INITORCL.ORA Using RMAN， how would you respond to this error？（）A
Issue the startup nomount command and then issue the restore parameter file command from the RMAN prompt.B
Issue the startup nomount command and then issue the restore spfile command from the RMAN prompt.C
Issue the startup nomount command and then issue the restore spfile from autobackup command from the RMAN prompt.D
Issue the startup nomount command and then issue the restore spfile from backup command from the RMAN prompt.E
Issue the restore spfile from autobackup command from the RMAN prompt.
考题
单选题You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true？（）A
You must have change tracking enabled in your databaseB
Your database must be running in NOARCHIVELOG modeC
To back up a tablespace，it must be in backup modeD
To back up a tablespace，it must first be taken offline
考题
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 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
考题
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
考题
多选题You have enabled backup optimization for the RMAN environment.Identify two criteria on which RMAN will skip the file, if it has already been backed up.（）AThe data file backup is done with multiple channelsBThe data files is in the read-write mode after being backed up in the read only modeCThe backup was taken after the data files was taken offline-normal or is in the read only modeDThe data file backup complies with the back retention policy and the backup duplexing feature
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 are maintaining the SALES database of a company. You have never backed up the USERS tablespace that is currently offline. On Sunday， you issued the following commands： CONFIGURE DEFAULT DEVICE TYPE TO sbt； CONFIGURE BACKUP OPTIMIZATION ON； CONFIGURE RETENTION POLICY TO REDUNDANCY 3； From Monday to Saturday， you performed the following actions： Day Action Monday BACKUP DATABASE Tuesday BACKUP DATABASE Wednesday BACKUP DATABASE Thursday BACKUP DATABASE Friday BACKUP DATABASE Saturday BACKUP DATABASE How many times will the backup of the USERS tablespace be performed？（）A
The backup will not be performed at all.B
three timesC
four timesD
six times
考题
多选题You have enabled backup optimization for the RMAN environment. Identify two criteria on which RMAN will skip the file, if it has already been backed up.（） (Choose two.)AThe data file backup is done with multiple channelsBThe data files is in the read-write mode after being backed up in the read only modeCThe backup was taken after the data files was taken offline-normal or is in the read only modeDThe data file backup complies with the back retention policy and the backup duplexing feature
考题
单选题Your multitenant container database (CDB) contains a pluggable database, HR_PDB. The default permanent tablespace in HR_PDB is USERDATA. The container database (CDB) is open and you connect RMAN. You want to issue the following RMAN command: RMAN BACKUP TABLESPACE hr_pdb:userdata; Which task should you perform before issuing the command?（）A
Place the root container in ARHCHIVELOG mode.B
Take the user data tablespace offline.C
Place the root container in the nomount stage.D
Ensure that HR_PDB is open.
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