Quiz on Data Technology and Big Data

What is the primary focus of data technology (DataTech)?

• Data management solutions

• Web development

• Graphic design

• Social media marketing

Which of the following is NOT one of the Five Vs of Big Data?

• Volume

• Validity

• Velocity

• Variety

What does the term 'velocity' in Big Data refer to?

• The speed of data accumulation

• The variety of data types

• The volume of data

• The value of data

What is the goal of data analysis?

• To store data securely

• To support better decision making

• To create data models

• To visualize data

Which type of data conforms to a data model or schema?

• Structured data

• Unstructured data

• Semi-structured data

• Raw data

What is an example of unstructured data?

• Banking transactions

• XML files

• CSV files

• Social media posts

What is the main purpose of predictive analytics?

• To determine future outcomes

• To analyze past events

• To prescribe actions

• To describe current data

Which of the following best describes prescriptive analytics?

• Summarizing historical data

• Recommending actions based on data

• Predicting future events

• Analyzing past data

What type of data is generated by sensors and smart meters?

• Human-generated data

• Structured data

• Machine-generated data

• Semi-structured data

What is the primary characteristic of semi-structured data?

• It is completely unstructured

• It is stored in databases only

• It has a defined level of structure

• It is always relational