You are building a model to make clothing recommendations.

Vendor: Google
Product: Professional-Data-Engineer
Update on: Jul 26, 2025
Questions: 376

Google Professional-Data-Engineer Question Answer

You are building a model to make clothing recommendations. You know a user’s fashion preference is likely to change over time, so you build a data pipeline to stream new data back to the model as it becomes available. How should you use this data to train the model?

Continuously retrain the model on just the new data.

Continuously retrain the model on a combination of existing data and the new data.

Train on the existing data while using the new data as your test set.

Train on the new data while using the existing data as your test set.