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 

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