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Oracle 1z0-063 Exam Actual Questions

The questions for 1z0-063 were last updated on May 1, 2024.
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  • Viewing questions 1-5 out of 266 questions

Topic 1 - Single Topic

Question #1 Topic 1

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

  • 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.
Reveal Solution Hide Solution   Discussion   1

Correct Answer: BD 🗳️

Question #2 Topic 1

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

  • 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.
Reveal Solution Hide Solution   Discussion   2

Correct Answer: BCD 🗳️
Reference:
http://docs.oracle.com/cd/B19306_01/backup.102/b14191/rcmtunin.htm

Question #3 Topic 1

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

  • 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
Reveal Solution Hide Solution   Discussion   1

Correct Answer: ABD 🗳️
Reference:
http://docs.oracle.com/cd/B19306_01/backup.102/b14192/bkup007.htm http://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmreprt.htm#BRADV89585
The primary purpose of the LIST command is to list backup and copies. For example, you can list:
Backups and proxy copies of a database, tablespace, datafile, archived redo log, or control file
Backups that have expired
Backups restricted by time, path name, device type, tag, or recoverability
Archived redo log files and disk copies

Question #4 Topic 1

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
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Correct Answer: B 🗳️
Reference:
http://docs.oracle.com/cd/E24628_01/server.121/e17635/tdppt_degrade.htm

Question #5 Topic 1

Which three statements are true about a job chain?

  • 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.
Reveal Solution Hide Solution   Discussion  

Correct Answer: ABE 🗳️
Reference:
http://docs.oracle.com/cd/B28359_01/server.111/b28310/scheduse009.htm#ADMIN12459

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