Oracle Database 11g: Performance Tuning    
Exam Number: 1Z0-054
Associated Certifications: Oracle Database 11g Performance Tuning Certified Expert
Certifications: OPN Certified Specialist
Duration: 120 mins
Number of Questions: 85
Passing Score: 64

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*  Exam Number/Code : 1Z1-054
* Exam Name : Oracle Database 11g: Performance Tuning
* Questions and Answers : 192 Q&As
* Update Time: 2010-04-09
* Price:  $ 78.00

Exam : Oracle 1Z1-054
Title : Oracle Database 11g: Performance Tuning
4. After running SQL Performance Analyzer (SPA), you observe a few regressed SQL statements in the SPA output. Identify the two actions that you would suggest for these regressed SQL statements. (Choose two.)
A. Running SQL Access Advisor
B. Adding them to SQL Plan Baseline
C. Submitting them to SQL Tuning Advisor
D. Running Automatic Database Diagnostic Monitor (ADDM)
Answer: BC

5. You are working on an online transaction processing (OLTP) system. You detected free buffer waits events for your database instance running in a machine that has multiple CPUs. You increased the database buffer cache size as the first step. After a few hours of work on the database, further investigation shows that the same event is being recorded.
What would be your next step to avoid this event in future?
A. Decrease the value of the DBWR_IO_SLAVES parameter.
B. Set the USE_INDIRECT_DATA_BUFFERS parameter to TRUE.
C. Increase the value of the DB_WRITER_PROCESSES parameter.
D. Increase the value of the DB_FILE_MULTIBLOCK_READ_COUNT parameter.
Answer: C

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