The difficulty level of Hadoop interview questions will vary according to your work experience and the type of job you have applied for. If you are a Fresher, you will be asked Beginner level questions, and if you have more experience in Hadoop, then professional level questions will be asked.
Also, to crack an interview, you should be able to master different parameter based questions like- Concept-based questions, Practical based questions, and Case Studies.
You have to understand the Hadoop and its ecosystem components and each and every concept in detail. You can google up for some really interesting and free blogs for frequently asked questions in your preparation.
You can check out this blog on Hadoop Interview Questions for more frequently asked questions in an interview with simple and lucid explanations.
To learn in-depth about Hadoop, sign up for an industry-based big data hadoop course.
Also, check this video for more information:
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