Your database is running in archivelog modeand Automatic Undo Management is enabled. Which two tasks should you perform before enabling Flashback Database?

• A.Enable the recyclebin.
• B.Enable minimal supplemental logging.
• C.Ensure that the db_flashback_retention_target parameter is set to a point in time (in minutes) to which the database can be flashed back.
• D.Enable undo retention guarantee.
• E.Enable Fast Recovery Area.

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Which three statements are true about unplugging a pluggable database (PDB)?

• A.A PDB must be in closed state before it can be unplugged.
• B.A PDB must have been opened at least once after creation.
• C.A PDB must be in MOUNT state before it can be unplugged.
• D.PDB data file are automatically removed from disk.
• E.An unplugged PDB can be plugged into the same or another container database (CDB).

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Which statement is true about Enterprise Manager (EM) express in Oracle Database 12c?

• A.By default, EM express is available for a database after database creation.
• B.You can use EM express to manage multiple databases running on the same server.
• C.You can perform basic administrative tasks for pluggable databases by using the EM express interface.
• D.You cannot start up or shut down a database instance by using create and configure pluggable databases by using EM express.
• E.You can create and configure pluggable databases by using EM express.

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Which three conditions must be true for unused block compression to be used automatically while performing backups by using RMAN? (Choose three.)

• A.The compatible initialization parameter is set to 10.2 or higher.
• B.There are no guaranteed restore points defined for the database.
• C.The default device for the backup must be set to disk.
• D.The tablespaces are locally managed.
• E.The fast recovery area is less than 50 percent free.

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Which three are true about Transparent Data Encryption (TDE)? (Choose three.)

• A.It can encrypt data at the column level.
• B.It encrypts only data on the client.
• C.It stores the current and all past master keys in the keystore.
• D.It replaces secure application roles.
• E.It uses a single master key for a database.
• F.Master encryption keys are managed by Oracle Database Vault.

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