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Q41. You are reviewing an Automatic Database Diagnostic Monitor report. What is DB Time% a percentage of?
A. total CPU time
B. elapsed response time
C. total time in database calls by all processes
D. total time in V$ views
E. time that users wait for the database to respond
Q42. 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.
Q43. What are three reasons an implementation of an Oracle Database Performance and Tuning solution is superior to that of scripts or third-party tools?
A. It is a part of the database, which means no added installations, configurations, extra user accounts,privilege granting, etc.
B. It eliminates the need to reverify compatibility, upgrade third-party tools, or rewrite scripts after a patch ordatabase upgrade.
C. It has the largest library of custom scripts and procedures and includes an assembly builder to maintainthem and add more.
D. Results come from the Oracle Database Optimizer and not rules or heuristics trying to predict what theoptimizer may do.
E. It is the most inexpensive tool in the market.
Q44. 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.
Q45. Which three are controllable by a resource plan, when you are using the Oracle Database 12c Multitenant option?
B. concurrent sessions
D. network I/O
E. ability to use parallel server processes
F. use of SGA memory and ability to allocate PGA
Explanation: Section: (none) Explanation
Q46. Starting with Oracle Database 11gR2, which are two additional partitioning capabilities that aid Oracle Database Performance and Tuning?
A. Hash Partitioning
B. Reference Partitioning
C. Composite Partitioning
D. Interval Partitioning
E. Disk Partitioning
Q47. Which action can beperformed by using Oracle Enterprise Manager Database Express Performance Hub?
A. View health status and performance of an Oracle Database instance via Database Control.
B. Launch and view STATSPACK reports.
C. View real-time and historical Oracle Database performance information.
D. View only real-time Oracle Database performance information.
E. View only historical Oracle Database performance information.
F. Consolidate ADDM, AWR, and ASH repositories within an enterprise and enable centralized performancereporting.
Q48. 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
Q49. 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.