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CSE MCQs :: Hadoop MCQs

  1. The output of the _______ is not sorted in the Mapreduce framework for Hadoop.
  2. A.
    Mapper
    B.
    Cascader
    C.
    Scalding
    D.
    None of the mentioned

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  3. Which of the following phases occur simultaneously ?
  4. A.
    Shuffle and Sort
    B.
    Reduce and Sort
    C.
    Shuffle and Map
    D.
    All of the mentioned

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  5. The ________ option allows you to copy jars locally to the current working directory of tasks and automatically unjar the files.
  6. A.
    archives
    B.
    files
    C.
    task
    D.
    None of the mentioned

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  7. ______________ class allows the Map/Reduce framework to partition the map outputs based on certain key fields, not the whole keys.
  8. A.
    KeyFieldPartitioner
    B.
    KeyFieldBasedPartitioner
    C.
    KeyFieldBased
    D.
    None of the mentioned

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  9. Although the Hadoop framework is implemented in Java , MapReduce applications need not be written in :
  10. A.
    Java
    B.
    C
    C.
    C#
    D.
    None of the mentioned

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  11. ________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer.
  12. A.
    Hadoop Strdata
    B.
    Hadoop Streaming
    C.
    Hadoop Stream
    D.
    None of the mentioned

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  13. HDFS and NoSQL file systems focus almost exclusively on adding nodes to :
  14. A.
    Scale out
    B.
    Scale up
    C.
    Both Scale out and up
    D.
    None of the mentioned

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  15. Which is the most popular NoSQL database for scalable big data store with Hadoop?
  16. A.
    Hbase
    B.
    MongoDB
    C.
    Cassandra
    D.
    None of the mentioned

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  17. The right number of reduces seems to be :
  18. A.
    0.90
    B.
    0.80
    C.
    0.36
    D.
    0.95

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  19. __________ are highly resilient and eliminate the single-point-of-failure risk with traditional Hadoop deployments
  20. A.
    EMR
    B.
    Isilon solutions
    C.
    AWS
    D.
    None of the mentioned

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