Which two statements are true about RMAN duplexed backups?

• A.It is not supported for image copies.
• B.Duplex backups can be performed on either disk or media, but cannot be performed on media and disk simultaneously.
• C.It is only supported for backups to tape via the media management interface.
• D.Duplex backups can contain only data files and control files.
• E.For performing duplexed backups, the parallelism for the device must be set equal to the number of copies.

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Which two are true about creating pluggable databases (PDBs) using snapshots in Oracle 19c and later releases? (Choose two.)

• A.A PDB snapshot depends on a storage snapshot which can be stored on any file system.
• B.A PDB snapshot depends on a storage snapshot which can only be stored on specific file systems.
• C.A snapshot copy PDB depends on a storage snapshot which can only be stored on specific file systems.
• D.A snapshot copy PDB can be created from a stand-alone clone PDB.
• E.A PDB snapshot is always a sparse copy of the source PDB.
• F.A snapshot copy PDB depends on a storage snapshot which can be stored on any file system.
• G.A PDB snapshot is always a full copy of the source PDB.

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Which three are true about an application seed pluggable database (PDB)? (Choose three.)

• A.A new application PDB created by cloning an application seed PDB can have an old version of the application installed after cloning completes.
• B.It is not required in an application container.
• C.It cannot be dropped from its application container.
• D.It is automatically synchronized with its application root PDB when an application is upgraded.
• E.It is automatically synchronized with its application root PDB when an application is installed.
• F.A new application PDB created by cloning an application seed PDB can have an up-to-date version of the application installed after cloning completes.
• G.It cannot be added to an application container after the application container has already been created.

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Which three statements are true about Flashback Data Archive?

• A.Flashback Data Archive prevents flashback queries from getting a snapshot-too-old error.
• B.To enable Flashback Data Archive for a table, it is mandatory to have a default Flashback Data Archive for a database
• C.To use Flashback Data Archive, users must have unlimited quota on the Flashback Data Archive tablespace.
• D.A table enabled for Flashback Data Archive cannot be dropped unless Flashback Data Archive is disabled or disassociated first.
• E.While enabling Flashback Data Archive for a table, if no name is provided for Flashback Data Archive, it is enabled using the default Flashback Data Archive.

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Choose two. Which two are true about the automatic execution of operating system scripts when performing silent mode installation starting from Oracle Database 19c?

• A.The response file must contain the root or sudo password.
• B.The response file can specify the root or sudo password.
• C.Silent install always runs operating scripts automatically.
• D.The response file can specify the path of the sudo program.
• E.The installer will prompt for the root or sudo password.

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