Download Oracle.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
Downloads:	1

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Demo Questions

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.)

Set the backup_tape_io_slaves parameter to true.
Set the dbwr_io_slaves parameter to a nonzero value if synchronous I/O is in use.
Configure large pool if not already done.
Remove the rate parameter, if specified, in the allocate channel command.
Always use RMAN compression for tape backups rather than the compression provided by media manager.
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

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

stored scripts in the recovery catalog
available archived redo log files
backup sets and image copies that are obsolete
backups of tablespaces
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

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?