Big Data Interview Questions

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2

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What is a Parquet file and what are its advantages?

Lokendra Singh
Jun 17 Reply
1

Answer

What is the difference between HDFS and Hadoop?

Pratik Somaiya
1y Reply
2

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What is the command to format the NameNode?

Mudit Thakur
5y Reply
2

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What are the main differences between NAS (Network-attached storage) and HDFS?

Mudit Thakur
5y Reply
2

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Define respective components of HDFS and YARN

Abhishek Rana
5y Reply
2

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Explain the steps to be followed to deploy a Big Data solution.

Abhishek Rana
5y Reply
1

Answer

How is big data analysis helpful in increasing business revenue?

Abhishek Rana
5y Reply
2

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Explain “Big Data” and what are five V’s of Big Data?

Vijay Kumari
5y Reply
2

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What are the basic differences between relational database and HDFS?

Vijay Kumari
5y Reply
1

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When we require reducers to run and when not?

Raghavendar Swaminathan
6y Reply
1

Answer

Hadoop cluster are running with 5 JOBS and all resources are occupied for running these 5 jobs. Suppose we want to run one more job but we don't have resources to run that. What to do in that case?

Raghavendar Swaminathan
6y Reply
3

Answers

What are the Side Data Distribution Techniques.

Akash Bhimani
6y Reply
1

Answer

What are the xml files we are using in hadoop for configuration?

Vimal Lohani
8y Reply