While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.
FORCE LOGGING is enabled for the database.
Which two could improve read performance?

• A.Increase the size of tape I/O buffers.
• B.Increase the size of the database buffer cache.
• C.Increase the level of RMAN multiplexing.
• D.Disable FORCE LOGGING for the database.
• E.Enable asynchronous disk I/O.

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Examine this command:
$ rhpctl move database -sourcehome Oracle_home_path -destinationhome
Oracle_home_path
For which two purposes can you use this command? (Choose two.)

• A.to switch an existing Oracle Database home to a newer release of Oracle software on the same server
• B.to switch to a read-only Oracle home
• C.to switch back to the previous Oracle home as part of a rollback operation
• D.to switch the Oracle Database home when using a centralized Rapid Home Provisioning server
• E.to switch to a patched Oracle Database home

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You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true? (Choose two.)

• A.All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
• B.All non-Oracle files in the current FRA that have not been backed up already, are backed up.
• C.All Oracle recovery files in the current FRA that have not been backed up already, are backed up.
• D.All Oracle recovery files in the current fast recovery area (FRA) are backed up.
• E.These backups can be written to disk or SBT.

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Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true?

• A.An application seed PDB Is created for APP1.
• B.Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.
• C.An application root PDB is created for APP1.
• D.A default service Is created for the application root APP1.
• E.APP1 can never be unplugged.
• F.Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.

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Which two are true about server-generated alerts? (Choose two.)

• A.Stateful alerts must be created by a DBA after resolving the problem.
• B.Stateless alerts can be purged manually from the alert history.
• C.Stateless alerts can be cleared manually.
• D.Stateless alerts are automatically cleared.
• E.Stateful alerts are purged automatically from the alert history.

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