Data warehouse exam

Data warehouse exam

University

108 Qs

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Data warehouse exam

Data warehouse exam

Assessment

Quiz

Computers

University

Medium

Created by

Mohamed Safwat

Used 1+ times

FREE Resource

108 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a data warehouse?

Real-time business transactions

Data analysis for business decisions

Data validation during transactions

Data redundancy reduction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of a data warehouse?

Transaction-oriented

Integrated data from multiple sources

Volatile data

Non-subject-oriented

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of data is organized around subjects in a data warehouse?

Transactional

Time-referenced

Non-volatile

Subject-oriented

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal of a data warehouse?

Provide easy access to corporate data

Support real-time business transactions

Minimize data redundancy

Enhance data validation during transactions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which layer of the Data Warehouse Architecture is responsible for transporting data from source systems to the warehouse?

Metadata management layer

Data processing layer

Data integration layer

End user reporting layer

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a characteristic of a snowflake schema in a dimensional model?

Complex dimensions are normalized

It consists of a central fact table

It is easy to understand and relate to business needs

It supports simplified business queries

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the granularity of data?

The level of detail at which data is recorded

The size of the data warehouse

The number of dimensions in a star schema

The type of data stored in a warehouse

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