DAC Fundamentals of Data Analytics

Question 1

What is the primary purpose of data analytics?

Accepted Answer

To extract insights and support decision-making.

Answer

To randomly store large amounts of data.

Answer

To replace human decision-making entirely.

Answer

To encrypt sensitive data for security purposes.

Question 2

Which of the following best describes structured data?

Accepted Answer

Data organized in rows and columns.

Answer

Data that lacks a defined format.

Answer

Data stored only in cloud systems.

Answer

Data exclusively generated from sensors.

Question 3

What is the first step in the data analytics process?

Accepted Answer

Defining the problem or objective.

Answer

Performing data visualization.

Answer

Generating machine learning models.

Answer

Cleaning the dataset.

Question 4

Which type of analytics predicts future trends based on historical data?

Accepted Answer

Predictive analytics.

Answer

Descriptive analytics.

Answer

Diagnostic analytics.

Answer

Prescriptive analytics.

Question 5

What is a key characteristic of big data?

Accepted Answer

High volume, velocity, and variety.

Answer

Data that is always structured.

Answer

Data that only exists in spreadsheets.

Answer

Data stored in a single location.

Question 6

Which programming language is widely used for data analysis?

Accepted Answer

Python

Answer

HTML

Answer

C++

Answer

Swift