Download Oracle Database 12c: Advanced Administration.1z0-063.TestKing.2019-12-26.157q.tqb

Vendor: Oracle
Exam Code: 1z0-063
Exam Name: Oracle Database 12c: Advanced Administration
Date: Dec 26, 2019
File Size: 1 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
For which three pieces of information can you use the RMAN list command? (Choose three.)
  1. stored scripts in the recovery catalog
  2. available archived redo log files
  3. backup sets and image copies that are obsolete
  4. backups of tablespaces
  5. backups that are marked obsolete according to the current retention policy
Correct answer: ABD
Explanation:
Reference:http://docs.oracle.com/cd/B19306_01/backup.102/b14192/bkup007.htmhttp://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmreprt.htm#BRADV89585The 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
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 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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