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Welcome to the Architectural Components MCQs Page

Dive deep into the fascinating world of Architectural Components with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Architectural Components, a crucial aspect of Data Warehousing and OLAP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Architectural Components, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Warehousing and OLAP.

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Check out the MCQs below to embark on an enriching journey through Architectural Components. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Warehousing and OLAP.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Architectural Components. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Architectural Components MCQs | Page 2 of 9

Explore more Topics under Data Warehousing and OLAP

Q11.
What distinguishes strategic information from operational information?

a.

The quantity of information per user session

b.

The speed at which information is delivered

c.

The complexity of data sources

d.

The color scheme of the reports

Discuss
Answer: (a).The quantity of information per user session Explanation:Strategic information from a data warehouse often involves large result sets, while operational information typically has limited information content and quantity per user session.
Q12.
What is one essential principle that differentiates a data warehouse architecture from an operational system architecture?

a.

Data warehouse architecture uses more colors

b.

Data warehouse architecture is more visually appealing

c.

Data warehouse architecture must be more elaborate

d.

Data warehouse architecture is less structured

Discuss
Answer: (c).Data warehouse architecture must be more elaborate Explanation:Data warehouse architecture must be more elaborate than operational system architecture due to the different requirements of decision support systems.
Q13.
What are some factors to consider when defining the scope of a data warehouse architecture?

a.

Only the data sources

b.

The range of functions

c.

The data repository

d.

The color of the reports

Discuss
Answer: (b).The range of functions Explanation:The scope of a data warehouse architecture includes considerations like the range of functions and the number and extent of data sources.
Q14.
What distinguishes "read-only" data in a data warehouse from operational data?

a.

The data format

b.

The color of the data

c.

The complexity of data sources

d.

The functions performed on the data

Discuss
Answer: (d).The functions performed on the data Explanation:"Read-only" data in a data warehouse undergoes extensive functions, such as data extraction, transformation, cleansing, and integration, which are different from the data conversion in operational systems.
Q15.
What is the primary characteristic of data in a data warehouse?

a.

It is grouped by applications

b.

It represents a snapshot of current values

c.

It is not grouped by business subjects

d.

It is available for the last 10 years

Discuss
Answer: (c).It is not grouped by business subjects Explanation:Data in a data warehouse is typically grouped by business subjects, unlike operational systems where data is often grouped by applications.
Q16.
Why does data warehouse architecture need to support high data volumes, especially for historical data?

a.

To use more server space

b.

To make the architecture more complex

c.

To accommodate large result sets

d.

To reduce data storage costs

Discuss
Answer: (c).To accommodate large result sets Explanation:Data warehouse architecture must support high data volumes, especially for historical data, as data warehouses often store data for many years, which results in large volumes.
Q17.
What type of information retrieval processes dominate user sessions in a data warehouse?

a.

Batch processing

b.

Single query execution

c.

Interactive analysis

d.

Real-time data retrieval

Discuss
Answer: (c).Interactive analysis Explanation:In a data warehouse, most user sessions involve interactive analysis, where users continuously query and analyze data in different ways during a session.
Q18.
Which of the following is NOT a feature supported by data warehouse architecture for analysis?

a.

Drill down

b.

Roll up

c.

Slice and dice

d.

Traditional query execution

Discuss
Answer: (d).Traditional query execution Explanation:Data warehouse architecture typically supports features like drill down, roll up, and slice and dice for analysis, but traditional query execution is not a primary feature for complex analysis.
Q19.
Why is providing rapid decision-making support crucial in data warehouse architecture?

a.

To increase data storage capacity

b.

To improve data quality

c.

To accommodate additional users

d.

To deal with situations quickly

Discuss
Answer: (d).To deal with situations quickly Explanation:Data warehouse architecture needs to support rapid decision-making by providing tools and information for quick response to situations.
Q20.
In what situation is real-time data warehousing most beneficial?

a.

For historical data storage

b.

For offline analysis

c.

For batch processing

d.

For making on-the-spot decisions

Discuss
Answer: (d).For making on-the-spot decisions Explanation:Real-time data warehousing is most beneficial for making on-the-spot decisions by delivering information in real time to support quick responses.
Page 2 of 9

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