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Google Professional Data Engineer Actual Exam Questions

307 Questions120 Minutes70% Passing Score▣ Updated: Sep 2026

Question 2 of 307

Single 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?
AContinuously retrain the model on just the new data.
BContinuously retrain the model on a combination of existing data and the new data.
CTrain on the existing data while using the new data as your test set.
DTrain on the new data while using the existing data as your test set.
Correct Answer: B

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

Explanation

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About this practice exam

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