多选题Which two statements regarding compressed backups in Recovery Manager （RMAN） are true？（）ABackup compression is disabled by default.BBackup compression can be used with both backup sets and image copies.CBackup compression cannot be enabled using the CO

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多选题

Which two statements regarding compressed backups in Recovery Manager （RMAN） are true？（）

Backup compression is disabled by default.

Backup compression can be used with both backup sets and image copies.

Backup compression cannot be enabled using the CONFIGURE command.

Backup compression works only if the COMPATIBILITY parameter is set to 9.0.0.0 or higher.

Backup compression applies to only backup sets.

Backup compression applies to only image copies.

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第1题

Which two statements are true regarding the database in ARCHIVELOG mode？（）A、You have to shut down the database to perform the backups.B、Archiving information is written to the data files and redo log files.C、You can perform complete database backups without closing the database.D、Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.E、All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.

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第2题

Which two statements are true about the duplexing of the backups taken by RMAN? （）(Choose two.)A、It's only supported for the backups performed on the tapeB、It is not supported for backup operations that produce image copiesC、Duplex backups need a parallelism for the device to be equal to number of copiesD、Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously

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第3题

Which two statements are true about the duplexing of the backups taken by RMAN？（） A、 It’s only supported for the backups performed on the tapeB、 It is not supported for backup operations that produce image copiesC、 Duplex backups need a parallelism for the device to be equal to number of copiesD、 Duplex backups can be performed to either disk or tape， but cannot be performed on tape and disk simultaneously

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第4题

Compressed backups work with which of the following commands？（）A、 copy as backupB、 backup as copyC、 backupD、 copy

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第5题

Which two statements are true about encrypting RMAN backup？（）A、 The transparent encryption of backups uses the encryption walletB、 The database uses the same encryption key for every encrypted backupC、 The password encryption of backups only uses the password while creating and restoring backupD、 If transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups

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第6题

The RECYCLEBIN parameter is set to ON for your database. You drop a table，PRODUCTS，from the SCOTT schema. Which two statements are true regarding the outcome of this action？（）A、 All the related indexes and views are automatically droppedB、 The flashback drop feature can recover only the table structureC、 Only the related indexes are dropped whereas views are invalidatedD、 The flashback drop feature can recover both the table structure and its data

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第7题

Which two statements regarding the control file and Recover Manager are true？（）A、The control file can grow in size.B、The control file can store RMAN scripts.C、CONTROL_FILE_RECORD_KEEP_TIME determines retention time for RMAN records.D、The RMAN catalog can exist solely in the control file of the target database.

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Which two statements regarding compressed backups in Recover

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