You issued this command:
RMAN> BACKUP RECOVERY FILES;
Which two are true? (Choose two.)

• A.All Oracle recovery files not in the current FRA that have not been backed up already, are backed up.
• B.All Oracle recovery files in the current fast recovery area (FRA) are backed up.
• C.All non-Oracle files in the current FRA that have not been backed up already, are backed up.
• D.These backups can be written to disk or SBT.
• E.All Oracle recovery files in the current FRA that have not been backed up already, are backed up.

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Which two are true about the execution of operating system scripts starting from Oracle Database 19c? (Choose two.)

• A.root.sh can be executed automatically by the Database installer only by using sudo credentials.
• B.The sudo password can be specified in a response file.
• C.root.sh can be executed automatically by the Database Installer only if it is provided with root credentials.
• D.orainstRoot.sh can be executed automatically by the Database installer by using sudo or root credentials.
• E.The root password cannot be specified in a response file.
• F.The sudo password must be specified in a response file.

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For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.)

• A.to specify the list oftablespaces to include when creating a PDB from the CDB seed
• B.to exclude a temp tablespace when plugging in a PDB
• C.to exclude all tablespaces except SYSTEM, SYSAUX, and TEMPwhen plugging in a PDB
• D.to specify a default tablespace in a PDB cloned from another PDB in the same CDB.
• E.to include specific user tablespaces only when relocating a PDB
• F.to specify the list of user tablespaces to include when moving a non-CDB to a PDB

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Which two are true about the character sets used in an Oracle database? (Choose two.)

• A.Unicode is the only supported character set for Oracle databases created using Database Configuration Assistant (DBCA).
• B.Multibyte character sets allow more efficient space utilization than single byte character sets.
• C.Single-byte character sets always use 8-bit encoding schemes.
• D.Single-byte character sets provide better performance than multibyte character sets.
• E.Unicode enables information from any language to be stored using a single character set.
• F.Single-byte character sets always use 7-bit encoding schemes.

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Which two are true about Oracle Flashback features?

• A.flashback query can retrieve redo records from online and archived redo log files.
• B.flashback drop can undrop an index when undropping a table.
• C.After a database is restored from flashback logs using the flashback database command, it is sometimes rolled forward using redo logs.
• D.flashback version query can retrieve redo records from online and archived redo log files.
• E.flashback table can undrop a column.

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