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Oracle 1z0-064 Exam Actual Questions

The questions for 1z0-064 were last updated on April 29, 2024.
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  • Viewing questions 1-4 out of 84 questions

Topic 1 - Single Topic

Question #1 Topic 1

Your database supports a mixed workload. The ERP application creates short sessions and performs small, random I/Os; the REPORTING application executes long-running DSS queries.
You want to set a priority for the workload generated by the ERP application and optimize resource usage for them.
Which three objectives can be achieved by the Resource Manager? (Choose three.)

  • A. limiting the amount of time that a session is idle and blocking other sessions of the ERP application
  • B. limiting the amount of undo generated by operations performed by sessions created by the ERP application
  • C. creating two resource plans with resource limits defined for the workload generated by the applications and automatically changing resource plans based on the workload
  • D. allocating a lower percentage of CPU to sessions used by the REPORTING application than to those used by the ERP application
  • E. limiting the physical I/O performed by the sessions or users of the ERP application that are connected to the database
Reveal Solution Hide Solution   Discussion   1

Correct Answer: BDE 🗳️

Question #2 Topic 1

Examine the partial TKPROF output for an SQL statement:

Which two inferences can definitely be made from this output? (Choose two.)

  • A. Array fetch operations were not performed for this query.
  • B. No hard parse was performed for this query.
  • C. The number of logical I/Os is almost equal to the number of physical I/Os.
  • D. Another transaction held a shared lock on the table, thereby causing a significant delay.
Reveal Solution Hide Solution   Discussion   2

Correct Answer: BD 🗳️

Question #3 Topic 1

In your database, the measured 99th percentile value is used as the maximum value. You set a warning threshold level of 110% of maximum trigger as an alert.
What is the outcome? (Choose the best answer.)

  • A. It generates an error because the warning threshold cannot exceed 100%.
  • B. It generates an error because the percentage of maximum threshold cannot be set with a significance-level threshold value.
  • C. It generates an alert when an observed metric is 99% of the 99th percentile value as measured over the moving window baseline.
  • D. It generates an alert when an observed metric is 110% of the 99th percentile value as measured over the moving window baseline.
  • E. It generates an alert when 1 in 100 observations for an observed metric exceeds the 99th percentile value as measured over the fixed baseline.
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Correct Answer: A 🗳️

Question #4 Topic 1

You want to capture AWR data to monitor performance variation every Monday between 9:00 AM and 12:00 PM for three months and automatically remove the older AWR data every fortnight.
How would you achieve this? (Choose the best answer.)

  • A. Create AWR baselines.
  • B. Create SQL plan baselines.
  • C. Create repeating baseline templates.
  • D. Create database services and make sure that user connections use them to connect to the database instance.
  • E. Create a single baseline template.
Reveal Solution Hide Solution   Discussion   1

Correct Answer: D 🗳️

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