Automation (RPA)
Software Design
JS Frameworks
.Net Stack
Java Stack
Django Stack
Cloud Computing
Mobile Development
SAP Modules
BIG Data
BI and Data Analytics
Web Technologies
All Interviews

Top 30 Hadoop Interview Questions and Answers

15/Sep/2021 | 10 minutes to read


Here is a List of essential Hadoop Interview Questions and Answers for Freshers and mid level of Experienced Professionals. All answers for these Hadoop questions are explained in a simple and easiest way. These basic, advanced and latest Hadoop questions will help you to clear your next Job interview.

Hadoop Interview Questions and Answers

These interview questions are targeted for Apache Hadoop. You must know the answers of these frequently asked Hadoop interview questions to clear the interview.

1. What is Apache Hadoop? Explain its usage.

2. Explain the core modules of Hadoop.

3. Give some examples of softwares related to hadoop.

4. What benefits does Hadoop provide?

5. Explain the challenges with Hadoop Architecture.

6. What is speculative execution in Hadoop? Explain its usage.

7. Explain the concept of input splits in hadoop.

Some General Interview Questions for Hadoop

1. How much will you rate yourself in Hadoop?

When you attend an interview, Interviewer may ask you to rate yourself in a specific Technology like Hadoop, So It's depend on your knowledge and work experience in Hadoop.

2. What challenges did you face while working on Hadoop?

This question may be specific to your technology and completely depends on your past work experience. So you need to just explain the challenges you faced related to Hadoop in your Project.

3. What was your role in the last Project related to Hadoop?

It's based on your role and responsibilities assigned to you and what functionality you implemented using Hadoop in your project. This question is generally asked in every interview.

4. How much experience do you have in Hadoop?

Here you can tell about your overall work experience on Hadoop.

5. Have you done any Hadoop Certification or Training?

It depends on the candidate whether you have done any Hadoop training or certification. Certifications or training are not essential but good to have.


We have covered some frequently asked Hadoop Interview Questions and Answers to help you for your Interview. All these Essential Hadoop Interview Questions are targeted for mid level of experienced Professionals and freshers.
While attending any Hadoop Interview if you face any difficulty to answer any question please write to us at Our IT Expert team will find the best answer and will update on the portal. In case we find any new Hadoop questions, we will update the same here.