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DATABRICKS-MACHINE-LEARNING-ASSOCIATE Exam Questions & Answers

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DATABRICKS-MACHINE-LEARNING-ASSOCIATE Exam Questions & Answers

Vendor: Databricks

Certifications: ML Data Scientist

Exam Code: DATABRICKS-MACHINE-LEARNING-ASSOCIATE

Exam Name: Databricks Certified Machine Learning Associate Exam

Updated: Nov 24, 2024

Q&As: 74

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Same Questions from the Latest Real Exam

DATABRICKS-MACHINE-LEARNING-ASSOCIATE Online Practice Questions and Answers

Questions 1

A machine learning engineer is trying to scale a machine learning pipelinepipelinethat contains multiple feature engineering stages and a modeling stage. As part of the cross-validation process, they are using the following code block:

A colleague suggests that the code block can be changed to speed up the tuning process by passing the model object to theestimatorparameter and then placing the updated cv object as the final stage of thepipelinein place of the original model.

Which of the following is a negative consequence of the approach suggested by the colleague?

A. The model will take longerto train for each unique combination of hvperparameter values

B. The feature engineering stages will be computed using validation data

C. The cross-validation process will no longer be

D. The cross-validation process will no longer be reproducible

E. The model will be refit one more per cross-validation fold

Show Answer
Questions 2

A machine learning engineer is trying to perform batch model inference. They want to get predictions using the linear regression model saved at the pathmodel_urifor the DataFramebatch_df.

batch_dfhas the following schema:

customer_id STRING

The machine learning engineer runs the following code block to perform inference onbatch_dfusing the linear regression model atmodel_uri:

In which situation will the machine learning engineer's code block perform the desired inference?

A. When the Feature Store feature set was logged with the model at model_uri

B. When all of the features used by the model at model_uri are in a Spark DataFrame in the PySpark

C. When the model at model_uri only uses customer_id as a feature

D. This code block will not perform the desired inference in any situation.

E. When all of the features used by the model at model_uri are in a single Feature Store table

Show Answer
Questions 3

A team is developing guidelines on when to use various evaluation metrics for classification problems. The team needs to provide input on when to use the F1 score over accuracy.

Which of the following suggestions should the team include in their guidelines?

A. The F1 score should be utilized over accuracy when the number of actual positive cases is identical to the number of actual negative cases.

B. The F1 score should be utilized over accuracy when there are greater than two classes in the target variable.

C. The F1 score should be utilized over accuracy when there is significant imbalance between positive and negative classes and avoiding false negatives is a priority.

D. The F1 score should be utilized over accuracy when identifying true positives and true negatives are equally important to the business problem.

Show Answer More Questions

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