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Q41. Which is a prerequisite for using an Oracle Database Performance and Tuning solution?
A. Linux Operating system
B. 8 GB of memory
C. Oracle Database Enterprise Edition
D. Oracle Enterprise Manager
E. deep knowledge of Oracle Storage subsystems
Q42. Which option is recommended when gathering Optimizer system statistics on a regular basis to ensure optimal performance?
A. lock out user sessions and gather system statistics overnight
B. gather system statistics after a performance issue has been reported
C. gather system statistics for several hours when there is no workload
D. gather system statistics for several hours during normal workload periods
E. shut down any running applications prior to collection
Q43. When preparing a new database installation, you want to ensure automatic collection of timed statistics. Which three configuration parameters are applicable?
A. STATISTICS_LEVEL parameter set to TYPICAL
B. STATISTICS_LEVELparameter set to All
C. TIMED_STATISTICSparameter set to true
D. ALL_TIMED_STATISTICSparameter set to TRUE
E. AUTO_STATSparameter set to TRUE
F. STATISTICS_LEVELparameter set to BASIC.
Q44. A customer not familiar with Active Session History (ASH) asked you what it was used for. Which are two statements you can use to accurately describe (ASH) capabilities?
A. It enables you to conduct performance analysis of long-running sessions.
B. It enables you to conduct performance analysis of transient issues.
C. In memory, active sessions are sampled every second.
D. It accesses database kernel structures indirectly via the buffer cache.
E. It enables you to look at all database sessions since the database was created.
Q45. Which option do customers need to license in order to implement SQL Performance Analyzer and Database Replay functionalities?
A. Oracle Database Diagnostics Pack for Oracle Database
B. Oracle Database Replay and Testing Suite
C. Oracle SQL Developer
D. Oracle Real Application Testing
E. Oracle SQL Tuning Pack for Oracle Database
Q46. Reviewing Automatic Workload Repository (AWR) reports for CPU and I/O exceptions, the time model displays SQL execution elapsed time as a major component of DB Time. Which two are next steps to diagnose the problem further?
A. Review Operating System processes for any zombies.
B. Review SQL statistics from the Automatic Workload Repository (AWR).
C. Run a STATSPACK report.
D. Review Automatic Database Diagnostic (ADDM) recommendations.
E. Review all system configuration parameters.
Q47. Which is a capability that Active Session History (ASH) reports enable you to perform?
A. Compare database performance between two periods of time, and resolve performance degradation thatmay happen from one time period to another.
B. Analyze transient performance problems with the database that are short-lived and do not appear in theADDM analysis.
C. Optimize the performance of data access paths by creating the proper set of materialized views,materialized view logs, and indexes for a given workload.
D. Analyze transient performance problems that have happened in the database since it has been started.
Q48. Which statement is true about implementation of an Oracle Database Performance and Tuning solution?
A. It is available for Oracle Database Standard and Enterprise Editions.
B. It is applicable for Oracle Database 12c and later versions.
C. It builds on capabilities built into Oracle databases.
D. It is recommended for Production environments, but not for Development or QA.
E. It is delivered with Oracle Engineered Systems.
Q49. Oracle databases come with a built-in health monitor to run diagnostic checks on components of the database. Which three capabilities can be used to automate reporting?
A. variety of real-time reports once the Business Intelligence option is installed
B. reports in response to critical errors
C. reports with findings and recommendations to resolve problems
D. reports examining memory and process usage
E. historical reports after the Database Diagnostic Repository (DDR) is configured
F. reports examining user and developer SQL programming errors