Q. How you are responsible for the performance of your
Oracle database?
A.
B.
C.
D.
As an Project baseline
As an Change baseline
As an Oracle database administrator
As an Governance
Answer Key: C
Q. As an Oracle DBA, you can expect to be involved in the following tasks:
A.
B.
C.
D.
E.
F.
G.
H.
I.
Installing Oracle software
Creating Oracle databases
Upgrading the database software to new releases
Starting up and shutting down the database
Managing the storage structures of the database
Managing user accounts and security
Managing schema objects, such as tables, indexes, and views
Making database backups and performing database recovery, when necessary
Monitoring proactively the condition of the database and taking preventive or
corrective actions, as required
J. Monitoring and tuning database performance
K. All of the above
Answer Key: K
Q. What does offer enterprise-class performance, scalability and
reliability on clustered and single-server configurations?
A. Standardization
B. Interoperability
C. Solid state drives
D. Oracle Database
Answer Key: D
Q. What is Enterprise Manager Cloud Control (Cloud
Control), a web-based interface?
A.
B.
C.
D.
Primary tool to manage the database
Project
Investment Expenditure
Data architecture
Answer Key: A
Q. What does automates the database application tuning
process, thereby significantly lowering database management
costs while enhancing performance and reliability?
A. Visualization
B. Denormalization
C. Oracle Tuning Pack
D. Batch ingestion
Answer Key: C
Q. Oracle Real Application Testing consists of the
following key features?
A.
B.
C.
D.
Database Replay
SQL Performance Analyzer
None of the above
All of the above
Answer Key: A,B
Q. What is the main database management page in Oracle
Enterprise Manager Cloud Control (Cloud Control)?
A. Virtual firewalls
B. Work items
C. Database Home page
D. None of the above
Answer Key: C
Q. What is an iterative process?
A.
B.
C.
D.
Project lead
Patterns
Default assignee
Performance improvement
Answer Key: D
Q. What is the first step toward ensuring that your
changes improve performance?
A.
B.
C.
D.
Accurately diagnosing the performance problem
Data stewards
Project's lead
Intelligence Solution
Answer Key: A
Q. What can be applied until performance goals are met
or deemed impractical?
A.
B.
C.
D.
Oracle performance method
Content Analyzer
Team-managed board
All of the above
Answer Key: A
Q. What does implement the Oracle performance method and
analyzes statistics to provide automatic diagnosis of major
performance problems?
A. Automatic Database Diagnostic Monitor (ADDM)
B. Operational data store
C. Early adopters
D. Execution Plan
Answer Key: A
Q. What does provide information about the type of load on the
database and the internal and external resources used by the
database?
A.
B.
C.
D.
Software project
Community edition
Dashboard
Database statistics
Answer Key: D
Q. What is a count such as the number of block reads?
A.
B.
C.
D.
Disks
Cumulative statistic
Service offering
Reporting
Answer Key: B
Q. What are queried from memory?
A.
B.
C.
D.
Team-managed boards
Digitization
Statistics gathered by AWR
All of the above
Answer Key: C
Q. Which of the following initialization parameters are
relevant for AWR?
A.
B.
C.
D.
STATISTICS_LEVEL
CONTROL_MANAGEMENT_PACK_ACCESS
None of the above
All of the above
Answer Key: A,B
Q. The database statistics collected and processed by AWR
include:
A.
B.
C.
D.
E.
F.
Time Model Statistics
Wait Event Statistics
Session and System Statistics
Active Session History Statistics
High-Load SQL Statistics
Project Specification
Answer Key: A,B,C,D,E
Q. Which of the model statistics measure the time spent
in the database by operation type?
A.
B.
C.
D.
Consumer groups
Default assignee
Associated issues
Time model statistics
Answer Key: D
Q. What are incremented by a session to indicate that the
session had to wait for an event to complete before being
able to continue processing?
A.
B.
C.
D.
Project lead
Data lineage
Wait events
Component lead
Answer Key: C
Q. What are samples of session activity in the database?
A.
B.
C.
D.
Workflow schemes
Private Key
Data Science
Active Session History (ASH) statistics
Answer Key: D
Q. The light vertical lines represent samples of inactive session activity
that are not captured in the ASH statistics. The bold vertical lines
represent samples of active sessions that are captured at:
A.
B.
C.
D.
E.
7:38, while novels by the author are being queried
7:42, while the user is browsing the query results
7:50, when one novel is added to the shopping cart
7:52, during the checkout process
All of the above
Answer Key: E
Q. What are consuming the most resources produce the
highest load on the system, based on criteria such as
elapsed time and CPU time?
A.
B.
C.
D.
Virtual Resource Management
SQL statements
Decisioning Service
Log management
Answer Key: B
Q. What is an iterative process to identify, tune, and
improve the efficiency of high-load SQL statements?
A.
B.
C.
D.
Company-managed projects
SQL tuning
API lifecycle
Incentives
Answer Key: B
Q. Applying the Oracle performance method involves the following:
A. Performing pre-tuning preparations, as described in "Preparing the
Database for Tuning"
B. Tuning the database proactively on a regular basis, as described in
"Tuning the Database Proactively"
C. Tuning the database reactively when performance problems are
reported by the users, as described in "Tuning the Database
Reactively"
D. Identifying, tuning, and optimizing high-load SQL statements, as
described in "Tuning SQL Statements“
E. None of the above
Answer Key: A,B,C,D
Q. What does automatically detects and reports
performance problems with the database?
A.
B.
C.
D.
Discovery scans
Automatic Database Diagnostic Monitor (ADDM)
Problem management
Service level management
Answer Key: B
Q. What is diagnostic software built into Oracle Database?
A.
B.
C.
D.
Service desk
Problem management
ADDM
Relationship management
Answer Key: C
Q. What is performed after each AWR snapshot (every hour by
default), and the results are saved in the database?
A.
B.
C.
D.
Change management
ADDM Analysis
Service level management
Continual service improvement
Answer Key: B
Q. Where you can use ADDM to analyze the throughput
performance of a database cluster?
A. In an Oracle Real Application Clusters (Oracle RAC)
environment
B. Global permissions
C. Project permissions
D. Issue security permissions
Answer Key: A
Q. What are short-lived and typically do not appear in the
Automatic Database Diagnostic Monitor (ADDM) analysis?
A. Service portfolio design
B. Process definitions
C. Transient performance problems
D. Service design package
Answer Key: C
Q. Sampled data captured by ASH can be aggregated based on
the dimensions in the data, including the following:
A.
B.
C.
D.
E.
F.
G.
H.
SQL identifier of a SQL statement
Object number, file number, and block number
Wait event identifier and parameters
Session identifier and session serial number
Module and action name
Client identifier of the session
Service hash identifier
All of the above
Answer Key: H
Q. What is an important SQL tuning activity that must
be performed regularly?
A.
B.
C.
D.
Project administrator
Disk size
Applications
Identifying high-load SQL statements
Answer Key: D
Q. SQL Tuning Advisor and SQL Access Advisor can
make various recommendations, such as the following:
A.
B.
C.
D.
E.
Creating SQL profiles
Restructuring SQL statements
Creating additional indexes or materialized views
Refreshing optimizer statistics
All of the above
Answer Key: E
Q. What is primarily responsible for making schema
modification recommendations?
A.
B.
C.
D.
SQL Access Advisor
Service asset
Appliance specification page
Board administrator
Answer Key: A
Q. What can generate SQL tuning reports automatically?
A.
B.
C.
D.
Two quad core physical CPUs.
Board usage permissions
Information security management
Oracle Database
Answer Key: D
Q. Which type of view provides access to table data by
storing query results in a separate schema object?
A.
B.
C.
D.
Materialized view
A board administrator for the board itself
Project baseline
Change baseline
Answer Key: A
Q. When considering instance tuning, take care in the initial design of
the database to avoid bottlenecks that could lead to performance
problems. In addition, you must consider:
A.
B.
C.
D.
Allocating memory to database structures
Determining I/O requirements of different parts of the database
Tuning the operating system for optimal performance of the database
All of the above
Answer Key: D
Q. What does requires a different, although related,
method to the initial configuration of a system?
A.
B.
C.
D.
Board's administrator
Service strategy
Service design
Performance tuning
Answer Key: D
Q. What is driven by identifying the most significant bottleneck
and making the appropriate changes to reduce or eliminate the
effect of that bottleneck?
A.
B.
C.
D.
Data
Information
Knowledge
Tuning
Answer Key: D
Q. What does occurs on a regularly scheduled interval, where
several performance statistics are examined to identify whether
the system behavior and resource usage has changed?
A. Proactive monitoring usually occurs
B. Availability management
C. Capacity management
D. Performance figures
Answer Key: A
Q. What is usually part of a larger capacity planning exercise, where
resource consumption is examined to see changes in the way the
application is being used, and the way the application is using the
database and host resources?
A.
B.
C.
D.
Monitoring
Functions
Teams
All of the above
Answer Key: A
Q. When the query optimizer determines the most efficient
execution plan after considering many factors related to the
objects referenced and the conditions specified in the query?
A. When a SQL statement is executed on an Oracle database
B. When a SQL statement is executed on an Functions
C. When a SQL statement is executed on an Teams
D. When a SQL statement is executed on an Analysis
Answer Key: A
Q. What is essential for identifying and correcting
performance problems?
A.
B.
C.
D.
Effective data collection and analysis
RACI model
Incident model
Continual service
Answer Key: A
Q. What are mainly automatic, managed by Oracle
background processes?
A.
B.
C.
D.
Parallel sprints
Problem management
Change management
Oracle Database gathering and monitoring features
Answer Key: D
Q. What are the performance information sources used
by all Oracle Database performance tuning tools?
A.
B.
C.
D.
Creating a baseline
Windows proxy
Measurable targets
V$ views
Answer Key: D
Q. Which of the performance begins with design and
continues throughout the life of your system?
A.
B.
C.
D.
Storage discovery.
Capacity plan.
Service level agreement.
Optimal system performance
Answer Key: D
Q. What is designed and built into a system?
A.
B.
C.
D.
Service strategy
System performance
Service design
Service transition
Answer Key: B
Q. What are challenged by very short development
timeframes with limited time for testing and evaluation?
A.
B.
C.
D.
Local
Centralized
Outsourced
Applications
Answer Key: D
Q. What can vary between the hard disk on a client PC
and high performance disk arrays?
A.
B.
C.
D.
I/O subsystem
Change management
IT service continuity management
Burndown Chart
Answer Key: A
Q. What is important to successful relational
application design?
A.
B.
C.
D.
Data modeling
Active Directory proxy
Credential Windows proxy
Service catalog management
Answer Key: A
Q. What is largely a compromise between flexibility and
performance of core transactions?
A.
B.
C.
D.
Table design
Appliance
Service level
Service portfolio
Answer Key: A
Q. What are particularly useful when querying on composite
columns to produce a derived result or to overcome limitations
in the way data is stored in the database?
A.
B.
C.
D.
Function-based indexes
Availability management
Capacity management
Appliance firewall
Answer Key: A
Q. Oracle Database provides the following methods to
manage database memory:
A.
B.
C.
D.
E.
F.
Automatic Memory Management
Automatic Shared Memory Management
Manual Shared Memory Management
Automatic PGA Memory Management
Manual PGA Memory Management
None of the above
Answer Key: A,B,C,D,E
Q. What is a vital component of an Oracle database?
A.
B.
C.
D.
I/O subsystem
Facilities management
Access management
Request fulfillment
Answer Key: A
Q. What is a suite of features that greatly improves performance
for real-time analytics and mixed workloads?
A.
B.
C.
D.
Oracle Database In-Memory
Process owner
Change manager
JQL
Answer Key: A
Q. Which of the feature set includes the In-Memory Column
Store (IM column store), advanced query optimizations, and
availability solutions?
A.
B.
C.
D.
Oracle Database In-Memory (Database In-Memory) feature
Service catalogue management
Demand management
Saved searches
Answer Key: A
Q. What is materialized as a hidden virtual column in a
heap-organized table, but is accessed in the same way as a
non-virtual column?
A.
B.
C.
D.
Omitting unnecessary
IM expression
Service portfolio management
Supplier management
Answer Key: B
Q. What is a designated tablespace where IM FastStart
stores and manages data for INMEMORY objects?
A.
B.
C.
D.
Virtual firewalls
Cultural debt
Project keys
FastStart area
Answer Key: D
Q. What is the iterative process of improving SQL statement
performance to meet specific, measurable, and achievable goals?
A.
B.
C.
D.
Incentives
Project admins
SQL tuning
Ralph Kimball
Answer Key: C
Q. After you have identified the problem, a typical tuning
session has one of the following goals:
A. Reduce user response time, which means decreasing the time
between when a user issues a statement and receives a response
B. Improve throughput, which means using the least amount of
resources necessary to process all rows accessed by a statement
C. None of the above
D. All of the above
Answer Key: A,B
Q. Which type of application tracing simplifies the
process of diagnosing performance problems in multitier
environments?
A.
B.
C.
D.
Splitting an issue
Business Logical Model
Administrators
End-to-End Application Tracing
Answer Key: D
Q. What is an instruction passed to the optimizer
through comments in a SQL statement?
A.
B.
C.
D.
Subtask
Disks
Guardrails
Hint
Answer Key: D
Q. What is a binary program that, when executed by the
SQL engine, produces the result set?
A.
B.
C.
D.
Iterative plan
Multi-dimensional data
Experience Events
Virtual object
Answer Key: A
Q. What is a row set returned by a step in the execution plan
along with a control structure that can iteratively process the
rows?
A.
B.
C.
D.
Row source
Business glossary
Interface management
Confluence pages
Answer Key: A
Q. The row source generator produces a row source tree, which is a
collection of row sources. The row source tree shows the following
information:
A.
B.
C.
D.
E.
An ordering of the tables referenced by the statement
An access method for each table mentioned in the statement
A join method for tables affected by join operations in the statement
Data operations such as filter, sort, or aggregation
All of the above
Answer Key: E
Q. What is built-in database software that determines the
most efficient method for a SQL statement to access
requested data?
A.
B.
C.
D.
Private Key
Glance
STIGs
Query optimizer (called simply the optimizer)
Answer Key: D
Q. What is the process of choosing the most efficient
means of executing a SQL statement?
A.
B.
C.
D.
Links
Custom fields
Data Science
Query optimization
Answer Key: D
Q. What is a nonprocedural language, so the optimizer is
free to merge, reorganize, and process in any order?
A.
B.
C.
D.
Decisioning Service
Log management
SQL
Identity management
Answer Key: C
Q. What is the number of rows returned by each
operation in an execution plan?
A.
B.
C.
D.
Service catalog capability
Velocity
Tag export and import utilities
Cardinality
Answer Key: D
Q. Which of the statement displays execution plans that
the optimizer chooses for SELECT, UPDATE, INSERT,
and DELETE statements?
A.
B.
C.
D.
Service Operation
Service Design
FTP daemon
EXPLAIN PLAN statement
Answer Key: D
Q. What is the default sample output table into which the
EXPLAIN PLAN statement inserts rows describing
execution plans?
A.
B.
C.
D.
PLAN_TABLE
Transition
Audit system
All of the above
Answer Key: A
Q. What is a database object that contains auxiliary
statistics specific to a SQL statement?
A.
B.
C.
D.
Local Area Network
App Connect
LDAP client
SQL profile
Answer Key: D