Download Oracle Database 12c: Advanced Administration.1z0-063.SelfTestEngine.2019-10-10.160q.tqb

Vendor: Oracle
Exam Code: 1z0-063
Exam Name: Oracle Database 12c: Advanced Administration
Date: Oct 10, 2019
File Size: 2 MB
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Demo Questions

Question 1
Which two statements are true about scheduling operations in a pluggable database (PDB)? (Choose two.)
  1. Scheduler jobs for a PDB can be defined only at the container database (CDB) level.
  2. A job defined in a PDB runs only if that PDB is open.
  3. Scheduler attribute setting is performed only at the CDB level.
  4. Scheduler objects created by users can be exported or imported using Data Pump.
  5. Scheduler jobs for a PDB can be created only by common users.
Correct answer: BD
Question 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 three.)
  1. Set the backup_tape_io_slaves parameter to true.
  2. Set the dbwr_io_slaves parameter to a nonzero value if synchronous I/O is in use.
  3. Configure large pool if not already done.
  4. Remove the rate parameter, if specified, in the allocate channel command.
  5. Always use RMAN compression for tape backups rather than the compression provided by media manager.
  6. Always use synchronous I/O for the database.
Correct answer: BCD
Explanation:
Reference:http://docs.oracle.com/cd/B19306_01/backup.102/b14191/rcmtunin.htm
Reference:
http://docs.oracle.com/cd/B19306_01/backup.102/b14191/rcmtunin.htm
Question 3
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?
  1. Database Replay
  2. Automatic Database Diagnostic Monitor (ADDM) Compare Period report
  3. Active Session History (ASH) report
  4. SQL Performance Analyzer
Correct answer: B
Explanation:
Reference:http://docs.oracle.com/cd/E24628_01/server.121/e17635/tdppt_degrade.htm
Reference:
http://docs.oracle.com/cd/E24628_01/server.121/e17635/tdppt_degrade.htm
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