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!!! :)