choose two Which two are true about RMAN image copies?

• A.They can be used as a level 0 incremental backup.
• B.They are the only backup option available for databases in NOARCHIVELOG mode.
• C.They can only be written to disk.
• D.They can be used as a level 1 incremental backup.
• E.They can be encrypted using Transparent Data Encryption (TDE).

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Which two are facets of performance planning that should always be considered or implemented for an Oracle Database environment?

• A.defining primary keys for all tables to speed up all queries
• B.the physical data model
• C.defining foreign keys for all tables to speed up joins
• D.using check constraints to speed up updates
• E.the configuration of storage arrays

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Choose three. Which three are true about Oracle Restart?

• A.You can add and remove components from an Oracle Restart configuration with Server Control (SRVCTL) commands.
• B.It is used in both clustered and non-clustered environments.
• C.It runs from the Oracle Grid Infrastructure home.
• D.The Server Control (SRVCTL) utility can be used to start and stop Oracle Restart.
• E.If you shut down a database instance with SQL*Plus, Oracle Restart interprets this as a database failure and attempts to restart the instance.
• F.It can manage Oracle Database instances, Oracle Net Listeners, and Oracle Automatic Storage Management instances.

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Examine this output:

Which two are true?

• A.Any PDB not specified in the plan will be able to use a maximum of 16.5% of the available system resources.
• B.PDB1 is always limited to 40% of the available system resources regardless of demand.
• C.PDB3 can use all available parallel execution processes at times.
• D.PDB3 is guaranteed to receive at least 20% of the available system resources if there is enough demand.
• E.Any PDB not specified in the plan will be unable to execute statements in parallel.
• F.PDB2 is guaranteed at least 25% of the available parallel execution processes if there is enough demand.

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Choose three. Which three are true about creating container databases (CDBs) and pluggable databases (PDBs) in Oracle 19c and later releases?

• A.A snapshot copy PDB can be a full copy of a source PDB.
• B.A CDB can be duplicated using Recovery Manager (RMAN) with no configuration required before starting the duplication.
• C.A PDB snapshot can be a full copy of a source PDB.
• D.A PDB snapshot depends on an existing storage snapshot of the source PDB.
• E.A CDB can be duplicated using the Database Configuration Assistant (DBCA) in silent mode with no configuration required before starting the duplication.
• F.A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB.
• G.A PDB snapshot can be a sparse copy of a source PDB.

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