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Q11. SQL Access Advisor takes database workload as input and recommends adding various access structures. Which three does it consider the impact of adding when it generates recommendations? 

A. Materialized views 

B. Indexes 

C. Partitions 

D. Tablespaces 

E. V$ performance views 

F. Hints 

Answer: B,D,E 


Q12. Which two would automatically create an entry inV$SQL_MONITOR? 

A. a parallelized SQL statement 

B. any SQL statement run 

C. any DML statement 

D. a statement that consumes at least 1 second of CPU or I/O time. 

E. a statement that consumes at least 5 second of CPU or I/O time. 

F. any DDL statement 

Answer: C,F 

Reference: https://docs.oracle.com/database/121/TGSQL/tgsql_monit.htm#TGSQL789 


Q13. Which three are SQL Performance Analyzer capabilities that enable forecasting impact of system changes on a SQL workload? 

A. measuring performance before and after the change 

B. generating a list of SQL Hints that the Optimizer will use to improve overall performance 

C. identifying the SQL statements that regressed or improved 

D. providing tuning recommendations for each SQL statement that is regressed 

E. measuring performance and comparing to industry benchmarks (TPC-C, TPC-D) 

F. measuring a change in user session logins 

Answer: A,C,E 


Q14. When planning Oracle Database Architecture, which option can be used to reduce the number of Oracle processes waiting in the Operating System run queue and to ensure that database CPU load is healthy? 

A. Exadata 

B. Oracle Job Scheduler 

C. DATABASE_MAXCPUS=YES 

D. Oracle Database Resource Manager 

E. DB_RAC_MAXCPU=YES 

F. Oracle Grid Control 

Answer:

Reference: http://www.oracle.com/technetwork/database/performance/resource-manager-twp-133705.pdf 


Q15. When implementing an Oracle Database Performance and Tuning solution, which are three product technologies recommended for use as your base configuration? 

A. SQL Tuning Pack for Oracle Database 

B. Oracle Tuning Pack for Oracle Database 

C. Oracle Performance Pack for Oracle Database 

D. Oracle Diagnostics Pack for Oracle Database 

E. Oracle Real Application Testing 

F. Oracle SQL Developer 

G. STATSPACK 

Answer: B,D,E 

Reference: http://www.oracle.com/partners/en/most-popular-resources/db-performance-tuning-study-guide2138991.pdf (See page #03, Application product technology subject areas include). 


Q16. A customer asked you about Database Time (DB Time). Which are two correct statements you would include in your description of it? 

A. It is the total time spent in database calls by all sessions in the database. 

B. It is the total time spent in database calls by foreground sessions in the database. 

C. It is the total time spent in database calls by background sessions in the database. 

D. It includes non-idle wait time. 

E. It is the overall response time. 

F. It includes login, idle, background, and Zombie session wait time. 

Answer: B,C 


Q17. Which four use cases could Database Replay be used to test for database performance changes? 

A. a change in operating system versions 

B. compare Flashback workload 

C. check a workload from a single instance on an Oracle RAC database 

D. check a workload after database parameters have been changed 

E. check a workload from one database release on another database released 

F. upgrade an application 

Answer: B,C,D,E 


Q18. DBAs use scripts and a third-party tool that access Automatic Workload Repository (AWR) snapshot reports, but don't use Oracle Enterprise Manager. The IT Manager seeks to confirm what the DBAs told him – Its OK since they licensed Oracle Database Enterprise Edition and not the Standard Edition. Which is the correct response for this scenario? 

A. With an Oracle Enterprise Edition Database license, a customer can use any Oracle option they want, atany of their worldwide locations, without additional licensing. 

B. No matter how AWR snapshot reports are accessed, Oracle Enterprise Edition Database customers needto be licensed for the Oracle Diagnostic Pack for Oracle Databases. 

C. With an Oracle Database Enterprise Edition license, an Oracle customer can use any Oracle option theywant, at that location, without additional licensing. 

D. No matter how AWR snapshot reports are accessed, Oracle Enterprise Edition Database customers needtobe licensed for the Advanced Analytic Pack for Oracle Databases. 

E. With an Oracle Database Enterprise Edition license, an Oracle customer can access AWR snapshots byusing SQL. If you use anything else, then you need an additional license. 

Answer:


Q19. When reviewing a customer's database configuration, you find thatOPTIMIZER_USE_SQL_PLAN_BASELINESis set asTRUE. What does the Optimizer do? 

A. compares plans that itdevelops with accepted plans in baselines 

B. develops plans and adds them to baselines as verified 

C. doesn't develop an execution plan, but uses an accepted plan from baselines 

D. doesn't develop an execution plan, but uses enabled plans in the baseline 

Answer:


Q20. In which two formats does Automatic Workload Repository (AWR) provide statistics? 

A. Persistent 

B. Temporary 

C. Unlimited 

D. Basic 

E. Full 

Answer: A,B 

Reference: https://talebzadehmich.wordpress.com/2012/05/05/automated-workload-repositpry-awrperformance-monitoring-tool-basics/