Data Warehousing Standards and Methodologies

Description: This quiz will test your knowledge on Data Warehousing Standards and Methodologies.
Number of Questions: 16
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Which standard is used for defining the architecture of a data warehouse?

  1. ANSI/SPARC

  2. IEEE 1170

  3. ISO/IEC 11179

  4. ANSI/ISO/IEC 9075


Correct Option: A
Explanation:

ANSI/SPARC (American National Standards Institute/Standards Planning and Requirements Committee) is a standard that defines the architecture of a data warehouse.

Which methodology is used for developing a data warehouse?

  1. Inmon's Methodology

  2. Kimball's Methodology

  3. Ralph Kimball's Methodology

  4. Bill Inmon's Methodology


Correct Option: A
Explanation:

Inmon's Methodology is a top-down approach to developing a data warehouse, which involves creating a central data warehouse and then populating it with data from various source systems.

What is the primary goal of data warehousing?

  1. To improve data quality

  2. To provide a single source of truth

  3. To enable data analysis and reporting

  4. To facilitate data sharing


Correct Option: B
Explanation:

The primary goal of data warehousing is to provide a single source of truth, which means that all data in the data warehouse is consistent and accurate.

Which type of data is typically stored in a data warehouse?

  1. Operational data

  2. Transactional data

  3. Historical data

  4. All of the above


Correct Option: C
Explanation:

Data warehouses typically store historical data, which is data that has been collected over a period of time and is no longer being updated.

What is the process of extracting, transforming, and loading data into a data warehouse called?

  1. ETL

  2. ELT

  3. DTL

  4. TLT


Correct Option: A
Explanation:

ETL (Extract, Transform, Load) is the process of extracting data from source systems, transforming it into a format that is suitable for the data warehouse, and then loading it into the data warehouse.

Which tool is commonly used for ETL?

  1. Informatica PowerCenter

  2. Talend Open Studio

  3. Pentaho Data Integration

  4. All of the above


Correct Option: D
Explanation:

Informatica PowerCenter, Talend Open Studio, and Pentaho Data Integration are all popular ETL tools.

What is the process of creating a data model for a data warehouse called?

  1. Data modeling

  2. Schema design

  3. Database design

  4. All of the above


Correct Option: D
Explanation:

Data modeling, schema design, and database design are all terms that refer to the process of creating a data model for a data warehouse.

Which type of data model is commonly used for data warehousing?

  1. Star schema

  2. Snowflake schema

  3. Fact constellation schema

  4. All of the above


Correct Option: D
Explanation:

Star schema, snowflake schema, and fact constellation schema are all types of data models that are commonly used for data warehousing.

What is the process of optimizing the performance of a data warehouse called?

  1. Data warehousing optimization

  2. Data warehouse tuning

  3. Data warehouse performance optimization

  4. All of the above


Correct Option: D
Explanation:

Data warehousing optimization, data warehouse tuning, and data warehouse performance optimization are all terms that refer to the process of optimizing the performance of a data warehouse.

Which tool is commonly used for data warehousing optimization?

  1. IBM DB2 Warehouse

  2. Oracle Exadata

  3. Teradata Database

  4. All of the above


Correct Option: D
Explanation:

IBM DB2 Warehouse, Oracle Exadata, and Teradata Database are all popular data warehousing optimization tools.

What is the process of managing the data in a data warehouse called?

  1. Data warehousing management

  2. Data warehouse administration

  3. Data warehouse governance

  4. All of the above


Correct Option: D
Explanation:

Data warehousing management, data warehouse administration, and data warehouse governance are all terms that refer to the process of managing the data in a data warehouse.

Which tool is commonly used for data warehousing management?

  1. Informatica Data Warehouse Manager

  2. IBM InfoSphere DataStage

  3. Oracle Warehouse Builder

  4. All of the above


Correct Option: D
Explanation:

Informatica Data Warehouse Manager, IBM InfoSphere DataStage, and Oracle Warehouse Builder are all popular data warehousing management tools.

What is the process of securing the data in a data warehouse called?

  1. Data warehousing security

  2. Data warehouse security

  3. Data warehouse access control

  4. All of the above


Correct Option: D
Explanation:

Data warehousing security, data warehouse security, and data warehouse access control are all terms that refer to the process of securing the data in a data warehouse.

Which tool is commonly used for data warehousing security?

  1. IBM Guardium

  2. Oracle Database Vault

  3. Symantec Data Loss Prevention

  4. All of the above


Correct Option: D
Explanation:

IBM Guardium, Oracle Database Vault, and Symantec Data Loss Prevention are all popular data warehousing security tools.

What is the process of monitoring the data in a data warehouse called?

  1. Data warehousing monitoring

  2. Data warehouse monitoring

  3. Data warehouse performance monitoring

  4. All of the above


Correct Option: D
Explanation:

Data warehousing monitoring, data warehouse monitoring, and data warehouse performance monitoring are all terms that refer to the process of monitoring the data in a data warehouse.

Which tool is commonly used for data warehousing monitoring?

  1. IBM Tivoli Monitoring

  2. Oracle Enterprise Manager

  3. Microsoft System Center Operations Manager

  4. All of the above


Correct Option: D
Explanation:

IBM Tivoli Monitoring, Oracle Enterprise Manager, and Microsoft System Center Operations Manager are all popular data warehousing monitoring tools.

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