Oracle
1Z0-083 · Question #74
1Z0-083 Question #74: Real Exam Question with Answer & Explanation
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Question
While backing up to the Oracle Fast Recovery Area (FRA), you determined the backup is taking too long and suspect a performance bottleneck. Which three are true about diagnosing and tuning these problems? (Choose three.)
Options
- AIf an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup,
- BSetting DBWR_IO_SLAVES to a non zero value can improve backup performance when using
- CIf an RMAN BACKUP VALIDATE command takes noticeably less than an actual backup, then
- DIf an RMAN BACKUP VALIDATE command takes roughly the same time as an actual backup,
- EData files with a high value in V$BACKUP_SYNC_IO.DISCRETE_BYTES_PER_SECOND are a
- FSetting DBWR_IO_SLAVES to a non zero value can improve backup performance when using
- GData files with a high value in V$BACKUP_ASYNC_IO.SHORT_WAITS are a potential performance
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