Choose two. Which two are true about RMAN backups when using a media manager?

• A.A media manager is required to create RMAN proxy copies.
• B.A media manager is required to create RMAN image copies.
• C.By default, a request for a proxy copy may result in a backup set being created.
• D.The media manager layer (MML) routines provided by Oracle support any vendors' media management products.
• E.A media manager always writes RMAN requested backups to tape.

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Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-server-xxxx- preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? (Choose three.)

• A.creating the grid OS user
• B.creating thte oraInventory (oinstall) group
• C.creating the OSDBA (dba) group
• D.creating the oracle OS user
• E.configuring the OS for Oracle Automatic Storage Management shared storage access
• F.performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met

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You notice performance degradation in your production Oracle 12c database. You want to know what caused this performance difference. Which method or feature should you use?

• A.Automatic Database Diagnostic Monitor (ADDM) Compare Period report
• B.Active Session History (ASH) report
• C.Database Replay
• D.SQL Performance Analyzer

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Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process? (Choose three.)

• A.ADDM performs its analysis only when a DBA requests it.
• B.By default, MMON creates an AWR snapshot every 30 minutes.
• C.By default, AWR snapshots are automatically purged after eight days.
• D.ADDM can recommend extending the buffer cache.
• E.ADDM can recommend shrinking the buffer cache.
• F.AWR snapshots must be deleted when no longer required by ADDM.

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

Which three are true?

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

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