Fall Semester 2025 UNISA Assignment: Automation and Data Analysis
(AIN3701) Questions 1–40 – Fully Solved Assignment with Detailed
Explanations and Exam-Focused Answers (Updated 2025)
,Fall Semester 2025 UNISA Assignment: Automation and Data Analysis
(AIN3701) Questions 1–40 – Fully Solved Assignment with Detailed
Explanations and Exam-Focused Answers (Updated 2025)
Question 1: What is the primary purpose of automation in data analysis?
• A) To eliminate the need for human intervention
• B) To increase efficiency and accuracy
• C) To complicate the data processing
• D) To reduce data storage needs
Correct Option: B
Rationale: Automation streamlines processes, leading to increased efficiency and
accuracy in handling large datasets, reducing errors associated with manual
processing.
Question 2: Which of the following tools is commonly used for data visualization?
• A) Python
• B) Tableau
• C) SQL
• D) Excel (basic features)
Correct Option: B
Rationale: Tableau is specifically designed for data visualization, offering various
features that help users create interactive and informative visuals from data.
Question 3: In data analysis, what does ETL stand for?
• A) Extract, Transform, Load
• B) Extract, Transfer, Load
• C) Evaluate, Transform, Load
• D) Extract, Transform, Link
Correct Option: A
Rationale: ETL stands for Extract, Transform, Load, which is a process used to collect
data from various sources, transform it into a suitable format, and load it into a target
database.
Question 4: What type of data analysis focuses on predicting future trends based
on historical data?
, Fall Semester 2025 UNISA Assignment: Automation and Data Analysis
(AIN3701) Questions 1–40 – Fully Solved Assignment with Detailed
Explanations and Exam-Focused Answers (Updated 2025)
• A) Predictive Analysis
• B) Descriptive Analysis
• C) Prescriptive Analysis
• D) Diagnostic Analysis
Correct Option: A
Rationale: Predictive analysis uses statistical techniques and historical data to identify
trends and make forecasts about future events.
Question 5: Which programming language is widely regarded for statistical analysis
and data manipulation?
• A) Java
• B) C#
• C) R
• D) PHP
Correct Option: C
Rationale: R is specifically designed for data analysis and statistical computing,
making it a preferred choice among data analysts.
Question 6: Which SQL statement is used to extract data from a database?
• A) GET
• B) SELECT
• C) RETRIEVE
• D) EXTRACT
Correct Option: B
Rationale: The SQL SELECT statement is used to query data from a database, allowing
users to specify the data to be retrieved.
Question 7: What is the main advantage of using cloud services for data storage?
• A) High latency
• B) Scalability
• C) Limited access
(AIN3701) Questions 1–40 – Fully Solved Assignment with Detailed
Explanations and Exam-Focused Answers (Updated 2025)
,Fall Semester 2025 UNISA Assignment: Automation and Data Analysis
(AIN3701) Questions 1–40 – Fully Solved Assignment with Detailed
Explanations and Exam-Focused Answers (Updated 2025)
Question 1: What is the primary purpose of automation in data analysis?
• A) To eliminate the need for human intervention
• B) To increase efficiency and accuracy
• C) To complicate the data processing
• D) To reduce data storage needs
Correct Option: B
Rationale: Automation streamlines processes, leading to increased efficiency and
accuracy in handling large datasets, reducing errors associated with manual
processing.
Question 2: Which of the following tools is commonly used for data visualization?
• A) Python
• B) Tableau
• C) SQL
• D) Excel (basic features)
Correct Option: B
Rationale: Tableau is specifically designed for data visualization, offering various
features that help users create interactive and informative visuals from data.
Question 3: In data analysis, what does ETL stand for?
• A) Extract, Transform, Load
• B) Extract, Transfer, Load
• C) Evaluate, Transform, Load
• D) Extract, Transform, Link
Correct Option: A
Rationale: ETL stands for Extract, Transform, Load, which is a process used to collect
data from various sources, transform it into a suitable format, and load it into a target
database.
Question 4: What type of data analysis focuses on predicting future trends based
on historical data?
, Fall Semester 2025 UNISA Assignment: Automation and Data Analysis
(AIN3701) Questions 1–40 – Fully Solved Assignment with Detailed
Explanations and Exam-Focused Answers (Updated 2025)
• A) Predictive Analysis
• B) Descriptive Analysis
• C) Prescriptive Analysis
• D) Diagnostic Analysis
Correct Option: A
Rationale: Predictive analysis uses statistical techniques and historical data to identify
trends and make forecasts about future events.
Question 5: Which programming language is widely regarded for statistical analysis
and data manipulation?
• A) Java
• B) C#
• C) R
• D) PHP
Correct Option: C
Rationale: R is specifically designed for data analysis and statistical computing,
making it a preferred choice among data analysts.
Question 6: Which SQL statement is used to extract data from a database?
• A) GET
• B) SELECT
• C) RETRIEVE
• D) EXTRACT
Correct Option: B
Rationale: The SQL SELECT statement is used to query data from a database, allowing
users to specify the data to be retrieved.
Question 7: What is the main advantage of using cloud services for data storage?
• A) High latency
• B) Scalability
• C) Limited access
