01. Which Oracle tool provides recommendations for creating or modifying indexes to improve query performance?
a) SQL Tuning Advisor
b) Automatic Database Diagnostic Monitor (ADDM)
c) SQL Access Advisor
d) Database Resource Manager (DBRM)
02. What is the recommended snapshot interval for gathering Statspack data in a busy production database?
a) Every minute
b) Every hour
c) Every day
d) It depends on the specific database workload and performance requirements
03. What is the purpose of the Database Performance Monitoring feature in Oracle Enterprise Manager (OEM)?
a) To analyze and optimize database storage structures.
b) To recommend index changes for better query performance.
c) To monitor and manage the overall health of the database instance.
d) To capture and analyze database session activity in real-time.
04. Which action can help improve database performance for queries accessing large tables with complex joins?
a) Increasing the size of the System Global Area (SGA)
b) Using bitmap indexes instead of B-tree indexes
c) Creating additional temporary tablespaces
d) Enabling Automatic Shared Memory Management (ASMM)
05. What is the first step in the basic tuning process for Oracle Database performance?
a) Running the SQL Tuning Advisor
b) Enabling Automatic Memory Management (AMM)
c) Identifying the performance problem
d) Tuning the database instance parameters
06. Which component of the Shared Pool stores parsed SQL and PL/SQL code?
a) Library Cache
b) Data Dictionary Cache
c) Buffer Cache
d) Result Cache
07. When should the Oracle Automatic Workload Repository (AWR) snapshots be taken to collect performance data effectively?
a) Only during peak hours of database activity.
b) At fixed time intervals, regardless of database activity.
c) Before and after every database backup.
d) During the maintenance window when the database is offline.
08. How can you identify and diagnose performance issues related to specific SQL statements in Oracle Database?
a) By monitoring the real-time execution of SQL statements using Real-Time SQL Monitoring.
b) By capturing and replaying the workload of a production database using Database Replay.
c) By comparing the execution plans of SQL statements before and after changes using SQL Performance Analyzer (SPA).
d) By enabling tracing for specific SQL statements using the DBMS_MONITOR package.
09. Which statement accurately describes the purpose of SQL Plan Management (SPM) in Oracle Database 19c?
a) It manages and controls SQL execution plans, preventing plan regressions.
b) It provides recommendations for database instance parameter tuning.
c) It analyzes and suggests index optimizations for better query performance.
d) It automatically tunes SQL queries and optimizes execution plans.
10. What action can be taken to address problem SQL statements identified through the SQL Tuning Advisor?
a) Rewriting the SQL statement using a different database schema.
b) Implementing new database indexes on the affected tables.
c) Dropping and re-creating the problematic SQL statement.
d) Applying the SQL profile recommended by the SQL Tuning Advisor.
The Oracle Performance Management and Tuning (1Z0-084) Sample Question Set is designed to help you prepare for the Oracle Certified Professional, Oracle Database 19c - Performance Management and Tuning certification exam. To become familiar with the actual Oracle Certification exam environment, we suggest you try our Sample Oracle 1Z0-084 Certification Practice Exam.
