Which two are true about offloading backups to a physical standby database in a Data Guard environment?

• A.The standby database must be registered in an RMAN catalog after the primary database has been registered.
• B.The standby database cannot be registered in an RMAN catalog if the primary database has not been registered.
• C.Backups of the standby control file taken while connected to the catalog where the database is registered, may be used to restore the control file on the primary database.
• D.The standby database must be registered in an RMAN catalog before the primary database has been registered.

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Which three statements are true about standby redo logs in a Data Guard configuration with no Oracle Streams or Goldengate configured? (Choose three.)

• A.They are required on a logical standby for real-time apply.
• B.They are required only for synchronous redo transport.
• C.Only standby databases can write redo to them.
• D.It is recommended to have them on the primary database.
• E.They are required on a physical standby for real-time apply.
• F.The LGWR process writes to them on a standby database.

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Which two are prerequisites for creating a standby database using Enterprise Manager cloud control?

• A.The primary database must have FORCE LOGGING enabled.
• B.The primary database must be in archivelog mode.
• C.A backup of the primary database must exist.
• D.The primary host and the proposed standby database host must run the same operating system.
• E.The primary database instance must be started using an SPFILE.
• F.The primary database must have flashback enabled.

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Which three are prerequisites for enabling Fast-Start Failover?

• A.Flashback Database must be enabled on both the primary database and the Fast-Start
  Failover target standby database.
• B.The configuration must be operating in either Maximum Performance or Maximum
  Protection mode
• C.The Data Guard environment must be managed by the Data Guard Broker.
• D.The Fast-Start Failover target standby database must receive REDO directly from the primary database
• E.The configuration must be operating in either Maximum Performance or Maximum
  Availability mode
• F.Flashback Database must be enabled only on the Fast-Start Failover target standby database.

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Which three statements are true about snapshot standby databases? (Choose three.)

• A.Snapshot standby databases may be used for rolling release upgrades.
• B.If datafiles grow while a database is a snapshot standby database, then they shrink when converted back to a physical standby database.
• C.Flashback logs are used to convert a snapshot standby database back into a physical standby database.
• D.A snapshot standby database can have Real-Time Query enabled.
• E.A guaranteed restore point is created automatically when a physical standby database is converted into a snapshot standby database.

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