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Question No 1

Which two statements are true about scheduling operations in a pluggable database (PDB)?

Choose the Choices:

Scheduler jobs for a PDB can be defined only at the container database (CDB) level.

A job defined in a PDB runs only if that PDB is open.

Scheduler attribute setting is performed only at the CDB level.

Scheduler objects created by users can be exported or imported using Data Pump.

Scheduler jobs for a PDB can be created only by common users.

Question No 2

A complete database backup to media is taken for your database every day. Which three actions would you take to improve backup performance?

Choose the Choices:

Set the backup_tape_io_slaves parameter to true.

Set the dbwr_io_slaves parameter to a nonzero value if synchronous I/O is in use.

Configure large pool if not already done.

Remove the rate parameter, if specified, in the allocate channel command.

Always use RMAN compression for tape backups rather than the compression provided by media manager.

Always use synchronous I/O for the database.

Question No 3

For which three pieces of information can you use the RMAN list command?

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stored scripts in the recovery catalog

available archived redo log files

backup sets and image copies that are obsolete

backups of tablespaces

backups that are marked obsolete according to the current retention policy

Question No 4

You notice performance degradation in your production Oracle 12c database. You want to know what caused this performance difference. Which method or feature should you use?

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Question No 5

Which three statements are true about a job chain?

Choose the Choices:

It can contain a nested chain of jobs.

It can be used to implement dependency - based scheduling.

It cannot invoke the same program or nested chain in multiple steps in the chain.

It cannot have more than one dependency.

It can be executed using event - based or time - based schedules.

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