Free Databricks Databricks-Certified-Machine-Learning-Associate Exam Questions

Become Databricks Certified with updated Databricks-Certified-Machine-Learning-Associate exam questions and correct answers

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Total 75 Questions | Updated On: Feb 06, 2025
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Question 1

Which of the following evaluation metrics is not suitable to evaluate runs in AutoML experiments for regression problems?


Answer: A
Question 2

What is the name of the method that transforms categorical features into a series of binary indicator feature variables?


Answer: C
Question 3

A data scientist is performing hyperparameter tuning using an iterative optimization algorithm. Each evaluation of unique hyperparameter values is being trained on a single compute node. They are performing eight total evaluations across eight total compute nodes. While the accuracy of the model does vary over the eight evaluations, they notice there is no trend of improvement in the accuracy. The data scientist believes this is due to the parallelization of the tuning process.

Which change could the data scientist make to improve their model accuracy over the course of their tuning process?


Answer: C
Question 4

The implementation of linear regression in Spark ML first attempts to solve the linear regression problem using matrix decomposition, but this method does not scale well to large datasets with a large number of variables.

Which of the following approaches does Spark ML use to distribute the training of a linear regression model for large data?


Answer: C
Question 5

A machine learning engineer is using the following code block to scale the inference of a single-node model on a Spark DataFrame with one million records:





Assuming the default Spark configuration is in place, which of the following is a benefit of using an Iterator?


Answer: C
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Total 75 Questions | Updated On: Feb 06, 2025
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