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CS Professional · Artificial Intelligence, Data Analytics and Cyber Security - Laws and Practice · Internet and Other Technologies

A Mumbai-based retailer collects clickstream logs, social media posts, CCTV footage and sensor readings at very high speed and in widely different formats. Which pair of Big Data characteristics best describes the fact that the data arrives rapidly and in many forms?

Velocity and Variety describe the situation. Velocity is the high speed at which data is generated and processed, and Variety is the range of formats such as text, video and sensor data. Volume and Veracity relate to size and accuracy instead.

  1. AVelocity and VarietyCorrect
  2. BVolume and Veracity
  3. CValue and Validity
  4. DViscosity and Volatility

Explanation

Velocity refers to the speed at which data is generated and processed, while Variety refers to the different formats (structured, semi-structured, unstructured). Volume concerns size and Veracity concerns trustworthiness, so the option pairing them does not describe speed and formats.

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