Hadoop HDFS Online Quiz Questions and Answers

This online quiz is based upon Hadoop HDFS (Hadoop Distributed File System). This Hadoop HDFS Online Quiz will help you a lot to revise your concepts.

Do not forget to check other Hadoop HDFS quiz as well once you are done with this part:

Hope, you liked the set of questions in this Hadoop HDFS Quiz.

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6 Responses

  1. Sharath says:

    Good to refresh BigData Concepts

  2. Pranjali Chaudhary says:

    Can you explain Q 13. Secondary namenode stores the fsimage in persistent storage. So why cant we recover it if namenode fails?

  3. saroja kumar sahu says:

    Very nice to take this quiz.. Thank you so much Data Flair

    • DataFlair Team says:

      Hi Saroja,
      We are pleased with your review in HDFS Quiz. Check out the other parts of HDFS Quiz, you will learn many new things.
      All the best.

  4. Loki says:

    Default size of hdfs block is
    64mb in hadoop 1.x
    128mb in hadoop 2.x

  5. pradeepsingha@gmail.com says:

    Q.12 A file in HDFS that is smaller than a single block size,
    If it doesnt take full block then in remaining empty part of the same block, will other file can use that empty part of same block??

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