Pre-test: Big Data

Question 1

Which of the following best describes the 4 Vs of Big Data?

Volume, Value, Variety, and Velocity Volume, Velocity, Variety, and Veracity Variables, Verification, Visualization, and Velocity Validation, Variety, Visualization, and Value

Question 2

Explanation: The classic 5 Vs of Big Data are:

Variable	Meaning
1. Volume	The usefulness of the data for decision-makingThe quality and trustworthiness of the dataThe different types of data (structured, semi-structured, unstructured)The speed at which data is generated and processedThe amount of data generated
2. Velocity	The usefulness of the data for decision-makingThe quality and trustworthiness of the dataThe different types of data (structured, semi-structured, unstructured)The speed at which data is generated and processedThe amount of data generated
3. Variety	The usefulness of the data for decision-makingThe quality and trustworthiness of the dataThe different types of data (structured, semi-structured, unstructured)The speed at which data is generated and processedThe amount of data generated
4. Veracity	The usefulness of the data for decision-makingThe quality and trustworthiness of the dataThe different types of data (structured, semi-structured, unstructured)The speed at which data is generated and processedThe amount of data generated
5. Value	The usefulness of the data for decision-makingThe quality and trustworthiness of the dataThe different types of data (structured, semi-structured, unstructured)The speed at which data is generated and processedThe amount of data generated