Hadoop Interview Questions and Answers

Frequently asked Interview Question and Answer in Hadoop suites for both Freshers and Experienced Candidates.

Interview Questions and Answers Set 1

1.What is Apache Hadoop?Hadoop is an open source software framework for distributed storage and distributed...

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21.Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?...

Interview Questions and Answers Set 5

41. What is a Record Reader?A RecordReader uses the data within the boundaries created by the input...

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61.How Spark uses Hadoop?Spark has its own cluster management computation and mainly uses Hadoop...

Interview Questions and Answers Set 9

81.What does Apache Mahout do?Mahout supports four main data science use cases:Collaborative filtering...

Interview Questions and Answers Set 2

11.What is commodity hardware?Commodity Hardware refers to inexpensive systems that do not have high...

Interview Questions and Answers Set 4

31.Explain what is difference between an Input Split and HDFS Block? Logical division of data is known as....

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51.What is Cloudera and why it is used?Cloudera is the distribution of Hadoop. It is a user created on...

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71.Which operating system(s) are supported for production Hadoop deployment?The main supported operating system...

Interview Questions and Answers Set 10

91.List of some best tools that can be useful for data-analysis?Tableau RapidMiner OpenRefine KNIME...