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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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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 7 of 14

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Q61.
What does IMS stand for, and what type of database management system is it?

a.

International Management System; a relational database management system

b.

Information Management System; IBM’s hierarchical database management system

c.

Integrated Modeling System; a distributed database management system

d.

Internet Management System; a NoSQL database management system

Discuss
Answer: (b).Information Management System; IBM’s hierarchical database management system Explanation:IMS stands for Information Management System, which is IBM’s hierarchical database management system.
Q62.
What is the purpose of Indexing in database management?

a.

Creating data files

b.

Speeding up database access by creating index files pointing to data files

c.

Managing input/output operations

d.

Categorizing data in tables

Discuss
Answer: (b).Speeding up database access by creating index files pointing to data files Explanation:Indexing is the method for speeding up database access by creating index files that point to data files.
Q63.
What is an Intranet in the context of enterprise networks?

a.

A network using Web technologies for collaboration with external users

b.

A network using email services for internal communication

c.

The enterprise network using Web technologies for collaboration of internal users

d.

A secure network for file storage and retrieval

Discuss
Answer: (c).The enterprise network using Web technologies for collaboration of internal users Explanation:An Intranet is the enterprise network using Web technologies for the collaboration of internal users.
Q64.
What does I/O stand for, and how is it relevant to databases?

a.

Internal Operations; managing internal processes

b.

Input/Output; indicating a database read/write operation

c.

Information Organization; structuring database content

d.

Integrated Operations; coordinating system tasks

Discuss
Answer: (b).Input/Output; indicating a database read/write operation Explanation:I/O stands for Input/Output, and it is an abbreviation used to indicate a database read/write operation. Excessive I/O can degrade system performance.
Q65.
What does IT stand for, and what does it cover in an enterprise?

a.

Integrated Technologies; covering hardware and software only

b.

Information Transmission; covering data communication only

c.

Information Technology; covering all computing and data communications in an enterprise

d.

Integrated Transmission; covering network infrastructure only

Discuss
Answer: (c).Information Technology; covering all computing and data communications in an enterprise Explanation:IT stands for Information Technology, covering all computing and data communications in an enterprise. The CIO is responsible for IT operations.
Q66.
What does JAD stand for, and what is its methodology for developing computer applications?

a.

Joint Application Development; a methodology for independent development

b.

Joint Analysis Design; a methodology for isolated development

c.

Java Application Development; a methodology for object-oriented development

d.

Joint Application Deployment; a methodology for collaborative development

Discuss
Answer: (a).Joint Application Development; a methodology for independent development Explanation:JAD stands for Joint Application Development, which is a methodology for developing computer applications in which IT professionals and end-users cooperate and participate in the development.
Q67.
What is Java, and what is its significance in programming?

a.

A procedural programming language; used for business applications

b.

An object-oriented programming language; offers full interactivity with the Web

c.

A scripting language; primarily used for system administration tasks

d.

A low-level programming language; used for system-level programming

Discuss
Answer: (b).An object-oriented programming language; offers full interactivity with the Web Explanation:Java is an object-oriented programming language that offers full interactivity with the Web.
Q68.
What does JDBC stand for, and how is it related to Java?

a.

Java Database Compiler; compiles Java programs for database operations

b.

Java Database Connectivity; Java provides access to SQL through JDBC

c.

Java Data Communication; enables data transfer between Java applications

d.

Java Development Container; supports Java development environments

Discuss
Answer: (b).Java Database Connectivity; Java provides access to SQL through JDBC Explanation:JDBC stands for Java Database Connectivity, and it allows Java to provide access to SQL through JDBC.
Q69.
What is a Join in the context of databases?

a.

A data manipulation operation

b.

A data categorization technique

c.

A database operation used to merge data from two related tables with common attributes

d.

A database security feature

Discuss
Answer: (c).A database operation used to merge data from two related tables with common attributes Explanation:A Join is a database operation used to merge data from two related tables that have common attributes.
Q70.
What does KDD stand for, and what is its purpose?

a.

Knowledge Data Design; designing data structures for knowledge representation

b.

Knowledge Discovery in Data; the process for discovering knowledge from prepared data using data mining algorithms

c.

Key Database Development; developing databases for knowledge management

d.

Knowledge Data Deployment; deploying data mining algorithms for knowledge extraction

Discuss
Answer: (b).Knowledge Discovery in Data; the process for discovering knowledge from prepared data using data mining algorithms Explanation:KDD stands for Knowledge Discovery in Data, which is the process for discovering knowledge from prepared data using data mining algorithms.
Page 7 of 14

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