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Oracle Instance Tuning - Quiz

Each question is worth one point. Select the best answer or answers for each question.
 

1. Which of the following is a symptom of a shared_pool_size problem?
Please select the best answer.
  A. A low data buffer hit ratio
  B. A poor library cache hit ratio
  C. A high amount of redo log space requests
  D. A high amount of disk sorts

2. When you suspect an instance tuning problem, what is the best source of Oracle tuning information?
Please select the best answer.
  A. The Oracle data dictionary tables
  B. The v$ views
  C. The Oracle utilities (bstat-estat)
  D. The OS performance statistics

3. Which sequence correctly shows types of tuning in the following order: from most important to least important?
Please select the best answer.
  A. SGA tuning, disk I/O tuning, database design tuning, SQL statement tuning
  B. SGA tuning, database design tuning, SQL statement tuning, disk I/O tuning
  C. Database design tuning, disk I/O tuning, SQL statement tuning, SGA tuning
  D. SQL statement tuning, SGA tuning, database design tuning, disk I/O tuning

4. Which of the following situations cause performance problems for redo log processing? (Please select all that apply.)
Please select all the correct answers.
  A. Redo logs switch 10 per hour
  B. Redo log switch 2 per hour
  C. The database experiences a high value for redo log space requests.
  D. The archived redo log file system becomes full.