Professional Services Interview Questions

1,849 professional services interview questions shared by candidates

- Explain ETL and ELT (Asked twice in two separate interviews) - Types of ensemble methods - In depth explanation of bagging and boosting. - Difference between SQL and NoSQL. Give one application for both. - Types of regularization. - What is the difference between deep learning and machine learning. State a scenario where deep learning is preferred. - A/B testing. - Hypothesis testing. - When should a relational database be used? - How to avoid overfitting and underfitting. - Explain stratified and K-fold cross validation.
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Associate Professional Services Consultant

Interviewed at Amazon Web Services

3.6
Sep 20, 2022

- Explain ETL and ELT (Asked twice in two separate interviews) - Types of ensemble methods - In depth explanation of bagging and boosting. - Difference between SQL and NoSQL. Give one application for both. - Types of regularization. - What is the difference between deep learning and machine learning. State a scenario where deep learning is preferred. - A/B testing. - Hypothesis testing. - When should a relational database be used? - How to avoid overfitting and underfitting. - Explain stratified and K-fold cross validation.

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