【第14題】【063題庫】2019年OCP12c認證1Z0-063考試題庫大全
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我要咨詢OCP 12c考試考3科，分別是071、062、063，之前071和062都已經做過解析，這里開始063題庫解析，希望對考063的同學有幫助，順利通過063考試。
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14題、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.
Answer: B,C,D
