Databricks Certified Machine Learning Associate Questions and Answers

200 questions organized by topic with detailed explanations

Databricks

MLA

200 questions

4 topics

Updated May 2026

Databricks Machine Learning

76 questions25 easy40 medium11 hard~38% of exam

What is the purpose of the Databricks Feature Store?What is the primary advantage of using Databricks Runtime for Machine Learning (Databricks Runtime ML) over standard Dat...When a model trained with Databricks Feature Store is deployed for real-time serving, how does it retrieve feature value...

ML Workflows

38 questions9 easy19 medium10 hard~19% of exam

A data scientist uses `hp.loguniform("learning_rate", np.log(1e-5), np.log(1e-1))` in a Hyperopt search space. What is t...What does the `cross_val_score()` function from scikit-learn return when used for model evaluation?A data scientist uses Hyperopt with SparkTrials for distributed hyperparameter tuning. Which code pattern correctly impl...

Model Development

62 questions15 easy28 medium19 hard~31% of exam

A data scientist builds a feature preprocessing pipeline using scikit-learn and wants to log it as a single MLflow model...A data scientist wants to add a custom metric — the geometric mean of precision and recall — to an `mlflow.evaluate()` c...What is the primary purpose of the test set in a train/validation/test split?

Model Deployment

24 questions8 easy12 medium4 hard~12% of exam

In the Unity Catalog Model Registry, what replaces the stage concept (Staging, Production, Archived) that exists in the ...To configure MLflow to use Unity Catalog as the model registry backend instead of the Workspace Model Registry, which co...A data scientist has registered a model in the Workspace Model Registry and wants to expose it as a REST API for real-ti...

All Questions

#	Question	Topic	Difficulty
1	A data scientist builds a feature preprocessing pipeline using scikit-learn and wants to log it as a...	Model Development	hard
2	What is the purpose of the Databricks Feature Store?	Databricks Machine Learning	easy
3	A data scientist wants to add a custom metric — the geometric mean of precision and recall — to an `...	Model Development	hard
4	What is the primary purpose of the test set in a train/validation/test split?	Model Development	easy
5	Which argument in `mlflow.evaluate()` specifies the type of ML task being evaluated?	Model Development	medium

Sign in to see all 200 questions

Create a free account to browse all questions — completely free during our launch phase.

Sign Up Free Sign In

Ready to test your knowledge?

Take a full Databricks Certified Machine Learning Associate practice test with timed exam simulation.

Start Practice Test