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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 9 of 14

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Q81.
What does Middleware refer to in the context of applications and database servers?

a.

Software services placed between applications and database servers for data interchange

b.

Database management software

c.

Application programming interfaces

d.

Operating system services

Discuss
Answer: (a).Software services placed between applications and database servers for data interchange Explanation:Middleware refers to software services that are placed between applications and database servers to make the data interchange transparent and efficient.
Q82.
What is a Mission Critical System?

a.

A system critical for mission planning

b.

A software application essential for the continued operation of an organization

c.

A system for managing mission statements

d.

A database system critical for data storage

Discuss
Answer: (b).A software application essential for the continued operation of an organization Explanation:A Mission Critical System is a software application that is absolutely essential for the continued operation of an organization.
Q83.
What does MOLAP stand for, and how does it process analytical data?

a.

Multidimensional Online Analytical Processing; creating and storing multidimensional data cubes in separate proprietary databases

b.

Metadata Online Analytical Processing; analyzing metadata for database optimization

c.

Master Data Online Analytical Processing; analyzing nontransactional data entities

d.

Multidimensional Online Analysis and Processing; combining analytical techniques for data analysis

Discuss
Answer: (a).Multidimensional Online Analytical Processing; creating and storing multidimensional data cubes in separate proprietary databases Explanation:MOLAP stands for Multidimensional Online Analytical Processing, which is an analytical processing technique in which multidimensional data cubes are created and stored in separate proprietary databases.
Q84.
What does MPP stand for, and what architecture does it utilize for parallel server hardware?

a.

Massively Parallel Programming; shared-memory architecture

b.

Multiple Processor Processing; distributed architecture

c.

Massively Parallel Processing; shared-nothing architecture

d.

Managed Parallel Processing; cloud-based architecture

Discuss
Answer: (c).Massively Parallel Processing; shared-nothing architecture Explanation:MPP stands for Massively Parallel Processing, which utilizes a shared-nothing architecture for parallel server hardware where memory and disks are not shared among the processor nodes.
Q85.
What does NUMA stand for, and how does it differ from SMP?

a.

Nonuniform Memory Access; a shared-memory architecture

b.

Networked Unified Memory Architecture; a distributed memory architecture

c.

Nonuniform Memory Architecture; like a big SMP broken down into smaller SMPs

d.

Networked Unified Memory Access; a shared-nothing architecture

Discuss
Answer: (c).Nonuniform Memory Architecture; like a big SMP broken down into smaller SMPs Explanation:NUMA stands for Nonuniform Memory Architecture, which is an architecture for parallel server hardware that is like a big SMP (Symmetric Multiprocessing) broken down into smaller SMPs.
Q86.
What is the purpose of ODBC, and what does it provide for Windows applications?

a.

Open Database Configuration; a configuration interface for database management

b.

Online Data Backup and Control; a tool for data backup in online applications

c.

Open Database Connectivity; a programming interface providing a common language interface for Windows applications to access databases on a network

d.

Online Data Broadcasting and Communication; a communication protocol for data transmission in online applications

Discuss
Answer: (c).Open Database Connectivity; a programming interface providing a common language interface for Windows applications to access databases on a network Explanation:ODBC stands for Open Database Connectivity, and it is a programming interface from Microsoft that provides a common language interface for Windows applications to access databases on a network.
Q87.
What does OLAP stand for, and what type of analysis does it cover?

a.

Online Linear Analysis and Processing; linear data analysis

b.

Online Analytical Processing; complex multidimensional analysis involving intricate calculations and requiring fast response times

c.

Open Linear Analysis Protocol; open-source linear data analysis

d.

Operational Linear Analysis and Processing; linear analysis in operational systems

Discuss
Answer: (b).Online Analytical Processing; complex multidimensional analysis involving intricate calculations and requiring fast response times Explanation:OLAP stands for Online Analytical Processing, and it covers a wide spectrum of complex multidimensional analysis involving intricate calculations and requiring fast response times.
Q88.
What is the purpose of OLTP, and what processes does it involve?

a.

Online Linear Transaction Processing; linear transaction processing

b.

Operational Linear Transaction Processing; linear analysis in operational systems

c.

Online Transaction Programming; programming for online applications

d.

Online Transaction Processing; processes in applications that collect data online during the execution of business transactions

Discuss
Answer: (d).Online Transaction Processing; processes in applications that collect data online during the execution of business transactions Explanation:OLTP stands for Online Transaction Processing, and it involves processes in applications that collect data online during the execution of business transactions. Order processing is an example of an OLTP application.
Q89.
What characterizes an Operational System in a business context?

a.

A system for managing operations research

b.

A system supporting day-to-day operations of a business

c.

An application for operational data analysis

d.

A system for managing operational procedures

Discuss
Answer: (b).A system supporting day-to-day operations of a business Explanation:An Operational System is an application that supports the day-to-day operations of a business.
Q90.
What is an Outlier in the context of data analysis?

a.

An extreme value in a sample that deviates significantly from the rest

b.

A common value in a sample

c.

An average value in a sample

d.

A value within a normal range in a sample

Discuss
Answer: (a).An extreme value in a sample that deviates significantly from the rest Explanation:In data analysis, an Outlier is an observation or member of a sample that deviates significantly from the rest of the sample.
Page 9 of 14

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