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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.

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Important Terms and Definitions MCQs | Page 2 of 14

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Q11.
What is B-Tree Indexing based on?

a.

Random values

b.

Sequential values

c.

Binary values

d.

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?

a.

Execute commands

b.

Store multimedia objects

c.

Hold data being transferred

d.

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?

a.

Information retrieval

b.

Strategic decision-making

c.

Enterprise communication

d.

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?

a.

Increasing processor speed

b.

Creating a secondary memory area

c.

Enhancing disk storage capacity

d.

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?

a.

Computer-Aided Software Enhancement

b.

Code Analysis and Software Evaluation

c.

Computer-Aided Software Engineering

d.

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?

a.

Comprehensive Gateway Interface

b.

Centralized Graphics Integration

c.

Common Gateway Interface

d.

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?

a.

Managing customer interactions

b.

Leading the software development team

c.

Overseeing computing and data communications

d.

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?

a.

Processor speed

b.

User interests on a website

c.

Web server performance

d.

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?

a.

Rearranging data randomly

b.

Physically separating database files

c.

Distributing files across multiple storage media

d.

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.

A key with multiple attributes

b.

A primary key with a unique constraint

c.

A foreign key referencing another table

d.

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

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