Which are three of the steps taken by Database Configuration Assistant (DBCA) to clone a remote pluggable database (PBD) starting from Oracle 19c? (Choose three.)

• A.automatically dropping the database link to the remote database if it already exists
• B.creating a database link from CDB$ROOT in the local database to CDB$ROOT in the remote system that is to be cloned
• C.creating a database link from CDB$ROOT in the remote database to be cloned to CDB$ROOT in the local database
• D.creating a database link from CDB$ROOT in the remote database to the PDB in the local database
• E.creating a database link from CDB$ROOT in the local database to the PDB in the remote system that is to be cloned
• F.opening the cloned PDB
• G.creating a new empty PDB in the local database from PDB$SEED

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Which two are true about diagnosing Oracle Database failure situations using Data Recovery Advisor? (Choose two.)

• A.Data Recovery Advisor can be used if a database is closed.
• B.A failure can be closed only when it has been repaired.
• C.The Data Recovery Advisor CHANGE FAILURE command can be used only to change failure priorities.
• D.Using the Data Recovery Advisor LIST FAILURE command always requires that the database for which failures are to be listed is in MOUNT state.
• E.Data Recovery Advisor can proactively check for failures.

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

• A.orainstRoot.shcan be executed automatically by the Database installer by using sudoor root credentials.
• B.root.shcan be executed automatically by the Database Installer only if it is provided with root credentials.
• C.The sudopassword can be specified in a response file.
• D.root.shcan be executed automatically by the Database installer only by using sudocredentials.
• E.The sudopassword must be specified in a response file.
• F.The rootpassword cannot be specified in a response file.

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The USERS tablespace consists of data files 3 and 4 and must always be online in read/write mode.
Which two are true about using RMAN to perform an open database back up of this tablespace? (Choose two.)

• A.Only consistent backups can be created.
• B.Backups can be done incrementally.
• C.Backups must be done incrementally.
• D.Backups must be contained in backup sets.
• E.The database must be registered in an RMAN catalog.
• F.Backups can be taken only if the database is in ARCHIVELOG mode.

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A database is configured in ARCHIVELOG mode.
Full RMAN backups are taken and no backup to trace has been taken of the control file. A media failure has occurred.
In which two scenarios is complete recovery possible? (Choose two.)

• A.after losing an archived log from before the most recent backup
• B.when any archived log from, before, or after the most recent backup is corrupt.
• C.after losing the SYSTEM tablespace
• D.after losing an archived log from after the most recent backup
• E.after losing all copies of the control file

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