Unlock Your Dream Hadoop Career: Conquering the Top 80 Interview Questions for 2024

As the world of big data continues to expand, Hadoop has emerged as a critical technology for storing, processing, and analyzing massive datasets. With its powerful distributed computing capabilities, Hadoop has become a highly sought-after skill in today’s job market. Whether you’re a seasoned professional or just starting your career in the field of big data, acing the Hadoop interview is crucial to landing your dream job.

In this comprehensive guide, we’ve compiled the top 80 Hadoop interview questions and answers to help you prepare for your next big interview. From HDFS and MapReduce to H

Top 80 Hadoop Interview Questions And Answers For 2020 | Hadoop Job Interview | Simplilearn


What is Hadoop tech role assessment?

Test Summary Hadoop skill assessment test helps you to screen the candidates who possess traits as follows: Deep understanding of Apache Hadoop and surrounding technologies like Pig, HBase, Avro. Ability to efficiently work on Hadoop development and its implementation. Ability to work with Hadoop HDFS, YARN, MapReduce.

What is the future of Hadoop in big data?

Predictions for Hadoop Future Some big data future predictions are: Hadoop market size to grow up to USD 84140 million in 2028. Expected CAGR growth in Hadoop is expected to be 23.9% over the period 2022-2028. More job opportunities and better salaries in the Hadoop job market.

Who takes care of replication consistency in a Hadoop cluster and what do you mean by under over replicated blocks?

In a cluster, it is always the NameNode that takes care of the replication consistency. The fsck command provides information regarding the over and under-replicated block.

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