Which two statements are true about variable extent size support for large ASM files?

• A.The metadata used to track extents in SGA is reduced.
• B.Rebalance operations are completed faster than with a fixed extent size
• C.An ASM Instance automatically allocates an appropriate extent size.
• D.Resync operations are completed faster when a disk comes online after being taken offline.
• E.Performance improves in a stretch cluster configuration by reading from a local copy of an extent.

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Examine the following impdp command to import a database over the network from a pre-12c Oracle database (source):

Which three are prerequisites for successful execution of the command? (Choose three.)

• A.The import operation must be performed by a user on the target database with the DATAPUMP_IMP_FULL_DATABASE role, and the database link must connect to a user on the source database with the DATAPUMP_EXD_FULL_DATABASE role.
• B.All the user-defined tablespaces must be in read-only mode on the source database.
• C.The export dump file must be created before starting the import on the target database.
• D.The source and target database must be running on the same platform with the same endianness.
• E.The path of data files on the target database must be the same as that on the source database.
• F.The impdp operation must be performed by the same user that performed the expdp operation.

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Which three are true about the large poolfor anOracle database instance that supports shared server connections?

• A.Allocates memory for RMAN backup and restore operations
• B.Allocates memory for shared and private SQL areas
• C.Contains a cursor area for storing runtime information about cursors
• D.Contains stack space
• E.Contains a hash area performing hash joins of tables

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Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.
Which two RMAN commands may be used to back up only the PDB1 pluggable database? (Choose two.)

• A.BACKUP PLUGGABLE DATABASE PDB1while connected to the ROOTcontainer
• B.BACKUP PLUGGABLE DATABASE PDB1while connected to the PDB1container
• C.BACKUP DATABASEwhile connected to the PDB1container
• D.BACKUP DATABASEwhile connected to the ROOTcontainer
• E.BACKUP PLUGGABLE DATABASE PDB1while connected to PDB2

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An administrator account is granted the CREATE SESSION andSET CONTAINERsystem privileges.
A multitenant container database (CDB) instant has the following parameter set:
THREADED_EXECUTION = FALSE
Which four statements are true about this administrator establishing connections to root in a CDB that has been opened in read only mode?

• A.You can conned as a common user by using the connect statement.
• B.You can connect as a local user by using the connect statement.
• C.You can connect by using easy connect.
• D.You can connect by using OS authentication.
• E.You can connect by using a Net Service name.
• F.You can connect as a local user by using the SET CONTAINER statement.

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