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Question-4: Which of the following are the characteristics of the unstructured data?

  1. It can be easily analyzed.
  2. It is difficult to query and search these data.
  3. It is free-form of data
  4. Audio and video files are example of unstructured data
  5. These data is scattered and dispersed

Answer: B, C, D, E

Exp: Example of unstructured data is PDFS, Documents, and Audio and Video files. These data cannot be easily queried or searched. It requires the lot of effort to make sense out of this. You will be using pre-processing like MapReduce algorithm to transform that data in a specialized format like Avro, Parquet etc. before you can query that data.