21. What does the attribute “Veracity” imply in the context of Big Data?
- The speed at which data accumulates
- Accuracy and conformity of data to facts
- Scale of data
- Diversity of the type and sources of data
22. Apache Spark is a general-purpose data processing engine designed to extract and process Big Data for a wide range of applications. What is one of its key use cases?
- Scalable and reliable Big Data storage
- Consolidate data across the organization
- Perform complex analytics in real-time
- Fast recovery from hardware failures