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Q11. Which three issues can be addressed with an Oracle Database Performance and Tuning solution?
A. erratic or inconsistent database performance
B. declining database responsiveness
C. unlimited I/O
D. fragmented database tables
E. database registry errors
F. database replication
Answer: C,D,F
Q12. To isolate performance problem in an Oracle real Application Cluster, for which two abilities would you implement Oracle Diagnostics Pack for Oracle Databases?
A. Cluster-wide performance analysis and reports with ADDM on issues that affect an entire databaseas wellas its individual instances.
B. Database-wide analysis of global resources by ADDM for high-load SQL, global cache interconnect traffic,and skew in instance response times.
C. ADDM X$ and V$ performance analysis and reports that compare the overall RAC Database to the sum ofits individual database instances.
D. ADDM recommendations inclusive of SAN and NFS mounted storage to pinpoint issues within the storagecache.
E. ADDM's ability to review SNMP trap error messages and automatically open trouble tickets.
Answer: C,D
Q13. To analyze all database instances in an Oracle Real Application Cluster, in which mode would you run Automatic Database Diagnostic Monitor?
A. INSTANCE
B. DATABASE
C. FULL
D. CLUSTER
E. PARTIAL
F. ALL
Answer: A
Reference: http://docs.oracle.com/cd/E25178_01/server.1111/e16638/diag.htm
Q14. A customer seeks capability to measure and test database performance before and after application changes. Which would you implement to meet that requirement?
A. Oracle Performance Analyzer
B. Oracle Application Performance Analyzer
C. Oracle Real Application Testing
D. Oracle SQL Developer
E. Oracle Spatial and Graph
Answer: E
Q15. Identify four problems automatically diagnosed by Automatic Database Diagnostics Monitor (ADDM).
A. log file sizing
B. log buffer sizing
C. log file problematic naming
D. Mean Time to recover (MTTR) setting
E. undersized SGA or PGA
F. oversized SGA or PGA
G. Less Time to recover (LTTR) setting
Answer: D,E,F,G
Q16. What two statements are true when you are using SQL Tuning Advisor and create a SQL Profile to improve performance of a SQL statement issued by a packaged application?
A. You need to regularly run SQL Tuning Advisor to verify if the SQL Profile can be replaced with a better one.
B. After a SQL Profile is created, it will then run efficiently for the life of the database.
C. The SQL Profile rewrites the SQL Statement issued by theapplication so it appears to the Optimizer as aperfectly written SQL statement.
D. You can have only one SQL Profile active at one time for a single SQL statement.
E. You need Oracle Database 12c or later to use SQL Profiles.
F. SQL Profiles can be used for non-Oracle databases like Microsoft SQL Server, if the Tuning Pack islicensed.
Answer: A,E
Q17. What are two reasons for which the Diagnostics and Tuning packs are essential to ongoing maintenance of an Oracle Database?
A. With Diagnostics and Tuning Packs installed, an Oracle database recovers easily from a crash orcorruption.
B. Oracle Databases are constantly changing; more users, data added and deleted, varying SQL atapplication level.
C. Diagnostics and Tuning Packs are needed to keepOracle Database table and index statistics current.
D. Inefficient “Bad” application SQL can be detected by Diagnostics Pack and then optimized utilizing TuningPack SQL Profiles, even if it can't be changed at the application end.
E. Diagnostics and Tuning packs are a prerequisite for a customer to license Oracle Database EnterpriseEdition.
Answer: C,E
Q18. At the IT Manager request, you are reviewing the databases that the DBA has implemented. You findSTATISTICS_LEVELconfigured asBASIC. What finding do you report back to the IT Manager?
A. The configuration of their databases is set up to also provide timed Operating System statistics and planexecution statistics.
B. The configuration of their databases is incorrect and should be set toNOT_TYPICAL.
C. The configuration of their databases has disabled collection of important statistics required for OracleDatabase functionality.
D. The configuration of their databases needs to be set toALLto enable collection of Operating System, Middleware, and storage statistics.
Answer: C
Q19. Which one is a type of user session and client request supported by Database Replay?
A. XA transactions
B. Oracle Call Interface (OCI) based object navigations
C. SQL-based object access
D. Flashback queries
E. Database Resident Connection Pooling (DRCP)
Answer: C
Reference: https://docs.oracle.com/cd/E11882_01/server.112/e41481/dbr_capture.htm#RATUG115
Q20. 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.
Answer: A,B,F
