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Databricks Databricks-Machine-Learning-Associate - Databricks Certified Machine Learning Associate Exam

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Total 74 questions

A data scientist has defined a Pandas UDF function predict to parallelize the inference process for a single-node model:

They have written the following incomplete code block to use predict to score each record of Spark DataFramespark_df:

Which of the following lines of code can be used to complete the code block to successfully complete the task?

A.

predict(*spark_df.columns)

B.

mapInPandas(predict)

C.

predict(Iterator(spark_df))

D.

mapInPandas(predict(spark_df.columns))

E.

predict(spark_df.columns)

A machine learning engineer has created a Feature Table new_table using Feature Store Client fs. When creating the table, they specified a metadata description with key information about the Feature Table. They now want to retrieve that metadata programmatically.

Which of the following lines of code will return the metadata description?

A.

There is no way to return the metadata description programmatically.

B.

fs.create_training_set("new_table")

C.

fs.get_table("new_table").description

D.

fs.get_table("new_table").load_df()

E.

fs.get_table("new_table")