Big Data Intern Interview Questions

1,784 big data intern interview questions shared by candidates

Hadoop Technical Questions were many: Q1. Explain Architecture of Yarn. Q2. How to plan Capacity with Yarn? Q3. Some issues with jobb failures on Yarn for a Spark job or Hive Jobs? Q4. Java heap memory tuning ? Q5. JVM internal questions? Q6. JVM issues - example - missing classpath, OOM, GC etc. Q7. JVM thread dump, jstack questions. Q8. HDFS Questions - Pipelining, ACLs, DataNode Failure issues, UnderReplicated Blocks etc. Q9. Spark jobs issues. Q10. Spark Memory tuning, some other performance questions. Q11.Upgrades - Process, issues, Best practices. Q12. Linux questions Q13. Networking Questions. Q14. Programming questions. Q15. Architectural Questions on BigData.
Mar 25, 2019

Hadoop Technical Questions were many: Q1. Explain Architecture of Yarn. Q2. How to plan Capacity with Yarn? Q3. Some issues with jobb failures on Yarn for a Spark job or Hive Jobs? Q4. Java heap memory tuning ? Q5. JVM internal questions? Q6. JVM issues - example - missing classpath, OOM, GC etc. Q7. JVM thread dump, jstack questions. Q8. HDFS Questions - Pipelining, ACLs, DataNode Failure issues, UnderReplicated Blocks etc. Q9. Spark jobs issues. Q10. Spark Memory tuning, some other performance questions. Q11.Upgrades - Process, issues, Best practices. Q12. Linux questions Q13. Networking Questions. Q14. Programming questions. Q15. Architectural Questions on BigData.

Tech phone round questions: As it was big data, he asked a lot about Hadoop, spark, and their architecture. Some questions related to machine learning were there too. Prepare for basic network troubleshooting, it's so important. Final round: Tech round 1: Big Data related 1 - How to overcome false positives? 2 - Confusion Matrix 3 - decision tree 4 - pruning 5 - supervised vs unsupervised learning 6 - how to fix outliers 7 - how to deal with missing data 8 - precision vs recall 9 - k means and KNN They are going to talk about everything on resumes. So, brush it up. Tech round 2: Networking, OS related 1 - RAID 2 -What happens when you type www.amazon.com? 3 - DNS records 4 -OSI Model 5 - HTTPS error codes 6 - Network troubleshooting questions 7 - ARP I hope it helps!!! :)
avatar

Cloud Support Engineer Big Data

Interviewed at Amazon Web Services

3.6
Aug 31, 2022

Tech phone round questions: As it was big data, he asked a lot about Hadoop, spark, and their architecture. Some questions related to machine learning were there too. Prepare for basic network troubleshooting, it's so important. Final round: Tech round 1: Big Data related 1 - How to overcome false positives? 2 - Confusion Matrix 3 - decision tree 4 - pruning 5 - supervised vs unsupervised learning 6 - how to fix outliers 7 - how to deal with missing data 8 - precision vs recall 9 - k means and KNN They are going to talk about everything on resumes. So, brush it up. Tech round 2: Networking, OS related 1 - RAID 2 -What happens when you type www.amazon.com? 3 - DNS records 4 -OSI Model 5 - HTTPS error codes 6 - Network troubleshooting questions 7 - ARP I hope it helps!!! :)

1.write singleton class 2.write a code in Java which demonstrate Deadlock. 3.Given two tables employee(empire,name,salary,deptid) Department (deptid,dept_name) Find 2nd highest salary dept wise 4.print zigzag star pattern 5.find next greater permutation Input:"21345" Output:"21354" 6.Implement EventOnlyIterator Input:[1,1,2,2,2,3,3,5,6,9,9] Output:2 2 2 6
avatar

Lead Big Data Engineer

Interviewed at Bharti Airtel

3.8
Jun 14, 2025

1.write singleton class 2.write a code in Java which demonstrate Deadlock. 3.Given two tables employee(empire,name,salary,deptid) Department (deptid,dept_name) Find 2nd highest salary dept wise 4.print zigzag star pattern 5.find next greater permutation Input:"21345" Output:"21354" 6.Implement EventOnlyIterator Input:[1,1,2,2,2,3,3,5,6,9,9] Output:2 2 2 6

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