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Q11. Which one would SQL Access Advisor use as input to provide a recommendation on a partition or index? 

A. SQL Tuning Advisor 

B. Automatic Workload Repository 

C. Automatic Diagnostic Monitor 

D. SQL Tuning SetE. SQL Error 

Answer:


Q12. For which one would you use an index fast full scan to improve performance? 

A. a query having all the columns of an index in the where clause 

B. a query that does not need to access table rows 

C. a query that needs to access table rows along with an index 

D. a column in an index that is compressed 

Answer:

Explanation: 

All of the columns required by SQL must reside in the index tree; that is, all columns in the SELECT and WHERE clauses must exist in the index. Reference: http://www.dba-oracle.com/t_index_fast_full_scan.htm 


Q13. To use Automatic Database Diagnostic Management capability on a database using a SQL script, command line, database views, or from a GUI, which option needs to be licensed? 

A. Oracle Diagnostics Pack for Oracle Databases 

B. Oracle Tuning Pack for Oracle Databases 

C. Oracle Diagnostics and Tuning Pack for Oracle Databases 

D. Oracle ADDM Pack 

E. Nothing else needs to be licensed. 

Answer:


Q14. Upon implementation completion, which three should be reviewed with a customer to confirm the values or benefits of a Oracle Database Performance and Tuning solution? 

A. real-time and historical monitoring capabilities 

B. non-intrusive metric collections 

C. statspack integration and support 

D. integration with Enterprise Manager 

E. included scripts for querying X$ and V$ views 

F. SQL script code management capabilities 

Answer: A,B,D 


Q15. Which is a true statement about Automatic Database Diagnostic Monitor (ADDM)? 

A. ADDM analyzes information in RMAN. 

B. Automatic Workload Repository (AWR) analyzes information stored in snapshots in tables of ADDM. 

C. ADDM analyzes information stored in snapshots in tables of the Automatic Workload Repository (AWR). 

D. ADDM and AWR are new features of Oracle Database 12c. 

E. APEX is required to access ADDM. 

Answer:


Q16. The IT team said that a system appeared OK based on their third-party network and systems management tool; yet customers continue to complain of database performance-related issues. Which two would you implement to find and fix the problem? 

A. Oracle Real User Experience Insight 

B. Oracle Application Testing Suite 

C. Oracle Exadata 

D. Oracle Real Application Clusters 

E. Oracle Diagnostic and Tuning Pack for Oracle Database 

Answer: D,E 


Q17. Which are two characteristics of “invisible” index functionality that would help tune a database having thousands of legacy indexes? 

A. An invisible index is ignored by the optimizer. 

B. After an index becomes invisible, it is no longer maintained during insertsand updates. 

C. I/O bottlenecks are easy to spot when invisible indexes are used. 

D. An index only needs to be rebuilt for it to be visible again. 

E. The session or system parameter needs to be changed toOPTIMIZER_USE_INVISIBLE_INDEXEStoTRUEfor an invisible index to become visible to the Optimizer. 

Answer: A,E 


Q18. What are three activities an Oracle Database Performance and Tuning solution enables a customer to perform? 

A. standardize database troubleshooting and diagnostics 

B. control database clouds. 

C. automate database performance management 

D. perform global database backup 

E. outsource database operations 

F. replay and test actual workloads to assure database performance and consolidatios. 

Answer: C,D,E 


Q19. 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 

Answer:

Reference: https://docs.oracle.com/cd/B19306_01/license.102/b14199/options.htm 


Q20. IT Operations had observed short CPU spikes and I/O storms prior to a retail website outage. Which functionality of Diagnostics Pack for Oracle Databases would you implement to diagnose and resolve the customers issue? 

A. Active Workload History to collect SQL at the time of its execution. 

B. SQL Performance Analyzer to capture the information in the SGA, the sessions active, and analyze theSQL executing. 

C. Oracle Workload Advisor that automatically turns on and captures the offending SQL Statements whenthresholds are reached. 

D. Active Session History to capture sessions and dump the SQL executing, performance attributes andrelevant information into a buffer for analysis. 

E. Active SQL History Analyzer to doperform a comparison of SQL statements before and after. 

F. Oracle Exadata, as it already includes Diagnostic Pack for Oracle Database. 

Answer: