Big Data and Hadoop
Big Data Engineer Interview Questions
1,228 big data engineer interview questions shared by candidates
What was my experience working on big data technologies
It was more of a discussion where I was asked about machine learning projects and why I took a particular approach in that project. Then some hypothetical scenarios were given and they wanted to see the thought process.
Cache and persist
Write a tables diagram for facebook
Describe the technical details of a software application which wasn't clear enough when explained by the interviewer.
Spark transformations and actions, invariability in scala
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!!! :)
Big data and networking related questions. For big data study entire Apache documents for Hadoop, HBase, Hive, Spark
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
Viewing 641 - 650 interview questions