Data Analytics Exam Questions with
Guaranteed Pass Solutions 2025-2026
Updated.
Chapter 1 - Answer Chapter 1
List three of the terms that have been predecessors of analytics. - Answer 1. Routine
Reporting
2. Decision support Systems
3. Business Intelligence
Define BI. - Answer A conceptual framework for managerial decision support, Combines
architecture, data-bases analytical tools, and applications.
List and describe the 4 major components of BI - Answer 1. DW- source data
2. Business analytics- collection of tools for manipulating, mining, and analyzing the data in the
DW
3. BPM- monitoring and analyzing performance
4. User interface- dashboard
Define OLTP - Answer Transaction system that is primarily responsible for capturing and
storing data related to day-to-day business functions
Define OLAP - Answer An information system that enables the user, to query the system,
conduct an analysis
Define analytics - Answer The science of analysis
What is descriptive analytics - Answer Answering the question of what happened and why
did it happen
, What is predictive analytics - Answer A business analytical approach toward forecasting, that
is used instead of simply reporting data as they occur
What is prescriptive analytics - Answer A branch of business analytics that deals with finding
the best possible solution alternative for a given problem.
What are the characteristics of Big Data? - Answer Data that cannot be stored in a single
storage unit. Big Data typically refers to data that comes in many different forms: structured,
unstructured, in a stream, and so forth.
What processing technique is applied to process Big Data? - Answer OLAP, Data mining, text
mining
Chapter 2 - Answer Chapter 2
Where does the data for business analytics come from? - Answer From the company
What are the most common metrics that make for analytics-ready data - Answer 1. Data
source reliability- Confidence in data source
2. Data content accuracy- Data appropriate for the analytics task at hand
3. Data accessibility- Data easily and readily obtainable
What is data? - Answer Raw facts that are meaningless by themselves
What are the main categories of data? - Answer Quantitative and Qualitative
What are the main data preprocessing steps? - Answer 1. Relevant data is collected
2. Data is cleaned
3. Transformed for better processing
4. Data reduction
Guaranteed Pass Solutions 2025-2026
Updated.
Chapter 1 - Answer Chapter 1
List three of the terms that have been predecessors of analytics. - Answer 1. Routine
Reporting
2. Decision support Systems
3. Business Intelligence
Define BI. - Answer A conceptual framework for managerial decision support, Combines
architecture, data-bases analytical tools, and applications.
List and describe the 4 major components of BI - Answer 1. DW- source data
2. Business analytics- collection of tools for manipulating, mining, and analyzing the data in the
DW
3. BPM- monitoring and analyzing performance
4. User interface- dashboard
Define OLTP - Answer Transaction system that is primarily responsible for capturing and
storing data related to day-to-day business functions
Define OLAP - Answer An information system that enables the user, to query the system,
conduct an analysis
Define analytics - Answer The science of analysis
What is descriptive analytics - Answer Answering the question of what happened and why
did it happen
, What is predictive analytics - Answer A business analytical approach toward forecasting, that
is used instead of simply reporting data as they occur
What is prescriptive analytics - Answer A branch of business analytics that deals with finding
the best possible solution alternative for a given problem.
What are the characteristics of Big Data? - Answer Data that cannot be stored in a single
storage unit. Big Data typically refers to data that comes in many different forms: structured,
unstructured, in a stream, and so forth.
What processing technique is applied to process Big Data? - Answer OLAP, Data mining, text
mining
Chapter 2 - Answer Chapter 2
Where does the data for business analytics come from? - Answer From the company
What are the most common metrics that make for analytics-ready data - Answer 1. Data
source reliability- Confidence in data source
2. Data content accuracy- Data appropriate for the analytics task at hand
3. Data accessibility- Data easily and readily obtainable
What is data? - Answer Raw facts that are meaningless by themselves
What are the main categories of data? - Answer Quantitative and Qualitative
What are the main data preprocessing steps? - Answer 1. Relevant data is collected
2. Data is cleaned
3. Transformed for better processing
4. Data reduction
