What does the DIKW pyramid represent?

• A type of data storage

• A statistical analysis technique

• A method for data encryption

• A hierarchical relationship between data, information, knowledge, and wisdom

Which of the following is an example of qualitative data?

• Temperature

• Colors

• Weight

• Height

What type of data includes GPS coordinates?

• Geographical data

• Medical data

• Financial data

• Cultural data

What is the first stage of the data life cycle?

• Store

• Access

• Analyze

• Create/collect/extract

Which method is considered primary data collection?

• Published research

• Interviews

• Government reports

• Historical records

What is an example of a relational database?

• MongoDB

• Data warehouse

• MySQL

• Excel

Which of the following is a characteristic of big data?

• Stability

• Uniformity

• Volume

• Simplicity

What does data encryption do?

• Collects data from surveys

• Analyzes data patterns

• Organizes data in databases

• Hides data from unauthorized access

Which of the following is a use of data?

• Generating noise

• Creating random numbers

• Identifying trends and patterns

• Storing data indefinitely

What is metadata?

• Data about data

• Data that is collected from surveys

• Data that is stored in the cloud

• Data that is encrypted