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!!! :)