Hadoop Quiz Questions

1. Objective

This blog provides you with the top Hadoop quiz questions for testing your Hadoop Knowledge. These Hadoop Quiz Questions are designed to help you in Hadoop Interview preparation. All the questions are provided with a detailed explanation of their answers. If you are not familiar with Apache Hadoop so you can refer our Hadoop Introduction Guide to make yourself prepare for this Hadoop Quiz.

Hadoop Quiz Questions

Hadoop Quiz Questions

Top Hadoop Quiz Questions and Answers

Q.1 All the files in a directory in HDFS can be merged together using which of the following?

Correct! Wrong!

Q.2 Which of these provides a Stream processing system used in Hadoop ecosystem?

Correct! Wrong!

Q.3 The client reading the data from HDFS filesystem in Hadoop does which of the following?

Correct! Wrong!

Q.4 Which of the following jobs are optimized for scalability but not latency

Correct! Wrong!

Q.5 Can multiple clients write into an HDFS file concurrently?

Correct! Wrong!

Q.6 Which of the following command is used to enter Safemode

Correct! Wrong!

Q.7 Which of the following command is used to come out of Safemode

Correct! Wrong!

Q.8 During Safemode Hadoop cluster is in

Correct! Wrong!

Q.9 HDFS allows a client to read a file which is already opened for writing?

Correct! Wrong!

Q.10 What happens when a file is deleted from the command line?

Correct! Wrong!

Q. 11 Which one of the following statements is false about Distributed Cache?

Correct! Wrong!

Q.12 Which among the following are the features of Hadoop

Correct! Wrong!

Q.13 Checkpoint node download the FsImage and EditLogs from the NameNode & then merge them & store the modified FsImage

Correct! Wrong!

Q.14 Which statement is true about Safemode

Correct! Wrong!

Q.15 Which command is used to know the current status of the safe mode

Correct! Wrong!

If in case you found any confusion in these Hadoop Quiz Questions, so leave your queries in the comment section given below. We will be glad to solve them.
See Also-

5 Responses

  1. Nihal Gangwar says:

    Nice Quiz

    • DataFlair Team says:

      Hi Nihal,

      Thanks for commenting and appreciating our efforts. We recommend you to you explore more Haddop Quizzes and Hadoop Interview Questions (refer from left sidebar) to practice.

      Regards,
      Data-Flair

  2. Ghansham says:

    good collection of questionnaire. Thank for putting it together.

  3. JayaChandra says:

    Hi Good Questions, and this really helps lot

    and it would be great if you provide sqoop and Hive Optimization techniques.

    Thanks.

    • DataFlair Team says:

      Hello JayaChandra,
      Thanks for the appreciation, we have a separate blog on Hive optimization techniques and Sqoop optimization techniques. You can refer our menu bar to search Hive and Sqoop tutorials.
      Hope, it helps!

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