Apache Hadoop MCQs

1. Objective

After learning to Hadoop try your hands on Apache Hadoop MCQs and get to know your learning so far. Below is some multiple choice Questions corresponding to them are the choice of answers. This quiz will help you to revise the concepts of Apache Hadoop and will build up your confidence in Hadoop. Hope these questions are helpful for you.

Apache Hadoop MCQs

Apache Hadoop MCQs

Apache Hadoop Multiple Choice Questions

Q.1 Which of the following deal with small files issue

Correct! Wrong!

Q.2 Which of the following feature overcomes this single point of failure

Correct! Wrong!

Q.3 Which statement is true about NameNode High Availability

Correct! Wrong!

Q.4 In NameNode HA, when active node fails, which node takes the responsibility of active node

Correct! Wrong!

Q.5 What are the advantages of 3x replication schema in Hadoop

Correct! Wrong!

Q.6 What are the advantages of HDFS federation in Hadoop?

Correct! Wrong!

Q.7 Rack Awareness improves

Correct! Wrong!

Q.8 Which property is used to enable/disable speculative execution

Correct! Wrong!

Q.9 In which process duplicate task is created to improve the overall execution time

Correct! Wrong!

Q.10 In which mode each daemon runs on a single node but there is separate java process for each daemon

Correct! Wrong!

Q.11 In which mode each daemon runs on a single node as a single java process

Correct! Wrong!

Q.12 In which mode all daemons execute in separate nodes

Correct! Wrong!

Q.13 Which configuration file is used to control the HDFS replication factor?

Correct! Wrong!

Q.14 How to adjust the size of a distributed cache

Correct! Wrong!

Q.15 What is the default size of distributed cache

Correct! Wrong!

For any query related to these Apache Hadoop MCQs, do leave a comment in a section given below.
See Also-

4 Responses

  1. Nitin Namdev Desai says:

    I am confused about the answer of
    Q.13 Which configuration file is used to control the HDFS replication factor?

    It should be hdfs-site.xml, isn’t it?

    • DataFlair Team says:

      Hi Nitin,
      Thanks for pointing it out, it was our mistake. Yes, the correct answer is hdfs-site.xml. It seems you like our Apache Hadoop MCQ’s; you can refer to our next part of Hadoop Quiz (through the sidebar).
      Regard,
      DataFlair

  2. SAIDAMMA DAGGUPATI says:

    Q.2 Which of the following feature overcomes this single point of failure

    please check the answer..

  3. SAIDAMMA DAGGUPATI says:

    Q.2 Which of the following feature overcomes this single point of failure
    None of the above
    HDFS federation
    High availability
    Erasure coding
    Wrong!

    it should be High Availability i think..
    how Erasure coding??

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