Interview Questions

Sulaiman A. - "Are the revenues down for the entire market/industry? is it an external effect? Has the company made any major shifts in the last month? I'm wondering if this could be a lagging indicator of a change that happened a few weeks ago. Are the revenues down across all product lines, or is it being driven by a particular product? Was there any particular day or time in the last week, when revenues were lower than average? Did we face any outages? is there a competitor in the market? Did we stop advert"See full answer

Jeff H. - "Problem: Internet in Africa is not prevalent Assumptions: I am a Google PM I have the resources of Google The goal is not monetization Goals: Improve quality of life in Africa by providing more consistent internet access, adoption, engagement with network. To start, I'd like to start by talking about the goals of Alphabet, which is to make the world more accessible and more useful. I believe this project fits well into our overall mission of making the world more accessible, as t"See full answer

Erjan G. - "i did not know ,but the answer is parquet is column-oriented, avro is row-oriented"See full answer

Tony C. - "That I had not been a PM for a formal ML product. But good models need sound data and my five years of sql writing and ensuring that DWHs and marts had the data they needed for reporting would be very relevant"See full answer

Jake M. - "Random Forest is a machine learning model used for classification problems or regression problems. It can handle binary classification as well as multi-class classification. It is a very efficient model and is great for a baseline or used in a service that needs extremely low latency depending on the size of the model. It's also a good option for wide datasets (dataset with many features) due to it's random subset of features. it is slightly less optimized for deep datasets on very large dataset"See full answer