Download Oracle Database 12c: Advanced Administration.1z0-063.ExamLabs.2020-02-11.165q.tqb

Vendor: Oracle
Exam Code: 1z0-063
Exam Name: Oracle Database 12c: Advanced Administration
Date: Feb 11, 2020
File Size: 2 MB
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Demo Questions

Question 1
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 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?
  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
Question 3
Which three statements are true about a job chain? (Choose three.)
  1. It can contain a nested chain of jobs.
  2. It can be used to implement dependency-based scheduling.
  3. It cannot invoke the same program or nested chain in multiple steps in the chain.
  4. It cannot have more than one dependency.
  5. It can be executed using event-based or time-based schedules.
Correct answer: ABE
Explanation:
Reference:http://docs.oracle.com/cd/B28359_01/server.111/b28310/scheduse009.htm#ADMIN12459
Reference:
http://docs.oracle.com/cd/B28359_01/server.111/b28310/scheduse009.htm#ADMIN12459
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