Databricks Certified Data Engineer Professional Exam Databricks-Certified-Professional-Data-Engineer Question # 35 Topic 4 Discussion

Databricks Certified Data Engineer Professional Exam Databricks-Certified-Professional-Data-Engineer Question # 35 Topic 4 Discussion

Databricks-Certified-Professional-Data-Engineer Exam Topic 4 Question 35 Discussion:
Question #: 35
Topic #: 4

The data science team has created and logged a production model using MLflow. The following code correctly imports and applies the production model to output the predictions as a new DataFrame namedpredswith the schema "customer_id LONG, predictions DOUBLE, date DATE".

Databricks-Certified-Professional-Data-Engineer Question 35

The data science team would like predictions saved to a Delta Lake table with the ability to compare all predictions across time. Churn predictions will be made at most once per day.

Which code block accomplishes this task while minimizing potential compute costs?


A.

preds.write.mode("append").saveAsTable("churn_preds")


B.

preds.write.format("delta").save("/preds/churn_preds")

C)

35

D)

35

E)

35


C.

Option A


D.

Option B


E.

Option C


F.

Option D


G.

Option E


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