Welcome to the Important Terms and Definitions MCQs Page

Dive deep into the fascinating world of Important Terms and Definitions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Important Terms and Definitions, a crucial aspect of Data Warehousing and OLAP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Important Terms and Definitions, 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.

Check out the MCQs below to embark on an enriching journey through Important Terms and Definitions. 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 Important Terms and Definitions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Important Terms and Definitions MCQs | Page 2 of 14

Explore more Topics under Data Warehousing and OLAP

01

The Compelling Need for Data Warehousing

02

Building Blocks of Data Warehouse 🔒

03

Trends in Data Warehousing 🔒

04

Planning and Project Management 🔒

05

Defining the Business Requirements

06

Requirements as the Driving Force for Data warehousing 🔒

07

Architectural Components 🔒

08

Infrastructure as the Foundation for Data Warehousing 🔒

09

Role of Metadata in Data Warehousing 🔒

10

Principles of Dimensional Modeling

11

Advanced Topics in Dimensional Modeling 🔒

12

Data Extraction,Transformation and Loading 🔒

13

Importance of Data Quality

14

Matching Information to the Classes of Users

15

OLAP in the Data Warehouse 🔒

16

Data Warehousing and the Web 🔒

17

Data Mining Basics 🔒

18

The Physical Design Process 🔒

19

Data Warehouse Deployment 🔒

20

Growth and Maintenance

Q11.

What is B-Tree Indexing based on?

Random values

Sequential values

Binary values

Hierarchical values

Discuss

Answer: (d).Hierarchical values Explanation:B-Tree Indexing is a hierarchical indexing technique based on an inverted tree of nodes containing ranges of indexed values, progressing from larger to smaller values.

Q12.

What is the purpose of a Buffer in computer memory?

Execute commands

Store multimedia objects

Hold data being transferred

Manage database queries

Discuss

Answer: (c).Hold data being transferred Explanation:A Buffer is a region of computer memory that holds data being transferred from one area to another, crucial for system performance, especially in fetching data from database tables.

Q13.

What is Business Intelligence (BI) synonymous with?

Information retrieval

Strategic decision-making

Enterprise communication

Data analysis

Discuss

Answer: (b).Strategic decision-making Explanation:Business Intelligence (BI) is generally used synonymously with the information available in an enterprise for making strategic decisions.

Q14.

How does Cache contribute to system performance improvement?

Increasing processor speed

Creating a secondary memory area

Enhancing disk storage capacity

Reducing main memory access

Discuss

Answer: (b).Creating a secondary memory area Explanation:Cache improves system performance by creating a secondary memory area with access speeds closer to the processor speed, such as a disk cache for data from the disk or a memory cache for data from main memory.

Q15.

What does CASE stand for in the context of software engineering?

Computer-Aided Software Enhancement

Code Analysis and Software Evaluation

Computer-Aided Software Engineering

Centralized Application Software Environment

Discuss

Answer: (c).Computer-Aided Software Engineering Explanation:CASE stands for Computer-Aided Software Engineering, involving tools like code generators, data modeling tools, analysis and design tools, and documentation and testing tools for software development.

Q16.

What is CGI in the context of Web servers?

Comprehensive Gateway Interface

Centralized Graphics Integration

Common Gateway Interface

Client-Generated Information

Discuss

Answer: (c).Common Gateway Interface Explanation:CGI stands for Common Gateway Interface, which is a standard program interface in Web servers connecting different computer applications, especially for connecting client applications to remote relational databases.

Q17.

What is the role of a CIO in an organization?

Managing customer interactions

Leading the software development team

Overseeing computing and data communications

Facilitating employee training programs

Discuss

Answer: (c).Overseeing computing and data communications Explanation:CIO stands for Chief Information Officer, responsible for overseeing all computing and data communications in an organization and usually reporting directly to the Chief Executive Officer.

Q18.

What does Clickstream data provide insight into?

Processor speed

User interests on a website

Web server performance

Data communication efficiency

Discuss

Answer: (b).User interests on a website Explanation:Clickstream data records what a user clicks on while browsing the Web, providing insight into the visitor's interests on a website.

Q19.

How does Clustering contribute to database performance improvement?

Rearranging data randomly

Physically separating database files

Distributing files across multiple storage media

Keeping database files physically close for sequential pre-fetch operations

Discuss

Answer: (d).Keeping database files physically close for sequential pre-fetch operations Explanation:Clustering is a method of keeping database files physically close to one another on the storage media, improving performance through sequential pre-fetch operations.

Q20.

What is a Composite Key in a database table?

A key with multiple attributes

A primary key with a unique constraint

A foreign key referencing another table

A unique identifier for a database

Discuss

Answer: (a).A key with multiple attributes Explanation:A Composite Key for a database table is made up of more than one attribute or field.

Page 2 of 14

Building Blocks of Data Warehouse 🔒

Trends in Data Warehousing 🔒

Planning and Project Management 🔒

Requirements as the Driving Force for Data warehousing 🔒

Architectural Components 🔒

Infrastructure as the Foundation for Data Warehousing 🔒

Role of Metadata in Data Warehousing 🔒

Advanced Topics in Dimensional Modeling 🔒

Data Extraction,Transformation and Loading 🔒

OLAP in the Data Warehouse 🔒

Data Warehousing and the Web 🔒

Data Mining Basics 🔒

The Physical Design Process 🔒

Data Warehouse Deployment 🔒

Welcome to the Important Terms and Definitions MCQs Page

Important Terms and Definitions MCQs | Page 2 of 14

Explore more Topics under Data Warehousing and OLAP

The Compelling Need for Data Warehousing

Defining the Business Requirements

Principles of Dimensional Modeling

Importance of Data Quality

Matching Information to the Classes of Users

Growth and Maintenance

Suggested Topics

UNIX

Computer Graphics

Digital Image Processing (DIP)

C# programming

MongoDB

Artificial Intelligence

C Programming

Management Information Systems

MATLAB