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Oracle 1z0-063 Exam Questions

Oracle 1z0-063 Exam Questions Answers

Oracle Database 12c: Advanced Administration

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Oracle 1z0-063 Sample Questions – Free Practice Test & Real Exam Prep

Question #1

Which three statements are true about a job chain? (Choose three.)

  • A. It can contain a nested chain of jobs.
  • B. It can be used to implement dependency-based scheduling.
  • C. It cannot invoke the same program or nested chain in multiple steps in the chain.
  • D. It cannot have more than one dependency.
  • E. It can be executed using event-based or time-based schedules.
Answer: A, B, E
Question #2

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?

  • A. Database Replay
  • B. Automatic Database Diagnostic Monitor (ADDM) Compare Period report
  • C. Active Session History (ASH) report
  • D. SQL Performance Analyzer
Answer : B
Question #3

For which three pieces of information can you use the RMAN LIST command? (Choose three.)

  • A. stored scripts in the recovery catalog
  • B. available archived redo log files
  • C. backup sets and image copies that are obsolete
  • D. backups of tablespaces
  • E. backups that are marked obsolete according to the current retention policy
Answer: A, B, D
Question #4

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

  • A. Set the backup_tape_io_slaves parameter to true.
  • B. Set the dbwr_io_slaves parameter to a nonzero value if synchronous I/O is in use.
  • C. Configure large pool if not already done.
  • D. Remove the rate parameter, if specified, in the allocate channel command.
  • E. Always use RMAN compression for tape backups rather than the compression provided by media manager.
  • F. Always use synchronous I/O for the database.
Answer: B, C, D
Question #5

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

  • A. Scheduler jobs for a PDB can be defined only at the container database (CDB) level.
  • B. A job defined in a PDB runs only if that PDB is open.
  • C. Scheduler attribute setting is performed only at the CDB level.
  • D. Scheduler objects created by users can be exported or imported using Data Pump.
  • E. Scheduler jobs for a PDB can be created only by common users.
Answer: B, D
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