CSP315/ITP314 Midterm Quiz #2

Which of the following is NOT a characteristic of big data?

• • Volume

• Velocity

• Variety

• Virtualization

Which of the following best defines "volume" in the context of big data?

• The speed at which data is generated

• The type of data generated

• The amount of data generated

• The accuracy of data

What is the "velocity" characteristic of big data?

• The speed at which data is processed

• The speed at which data is generated and captured

• The variety of data formats

• The veracity of the data

In the context of big data, what does "variety" refer to?

• Different storage locations

• Different formats and types of data

• Different programming languages

• Different speeds of data transmission

Which of the following is an example of traditional data?

• A database containing customer orders stored in a relational database

• Clickstream data from a website

• Social media posts

• Sensor data from IoT devices

Which of the following describes "structured data"?

• Data stored in a fixed format, such as in tables

• Data stored as free text

• Images and videos

• Sensor data from IoT devices

What does a "dashboard" in business analytics typically display?

• A list of customer names

• Visual summaries of key metrics and KPIs

• A database of raw data

• A collection of predictive models

In business analytics, what is a "data warehouse"?

• A system used for transactional data processing

• A large repository of integrated data used for analysis and reporting

• A tool for data visualization

• A method for data encryption

What does ETL stand for in the context of BI?

• Extract, Transform, Load

• Evaluate, Test, Learn

• Export, Transfer, Load

• Extract, Test, Link

What is machine learning?

• A technique for automating business processes

• A branch of artificial intelligence that focuses on enabling systems to learn from data

• A database management system

• A programming language used for data analysis