Azure Data Scientists Associate Practice Exam

Which job type would best suit a scenario needing the execution of a Python script that trains a model?

1. Sweep

2. Batch

3. Command

4. Pipeline

The correct answer is: Command

In scenarios where a Python script is needed to train a model, the Command job type is the most suitable choice. This is because Command jobs are designed specifically for running scripts or commands in an environment like Azure Machine Learning, making them ideal for executing tasks like model training. When using a Command job, you can directly invoke a Python script along with any required arguments or parameters. This allows for a straightforward setup where the script runs in a defined environment, utilizing the resources necessary for the model training process. The other job types, while useful in different contexts, serve different purposes. For example, Batch jobs are typically employed for performing large-scale parallel processing tasks, and Sweep jobs are used for hyperparameter tuning, which involves executing multiple runs of the model training process to find the best set of hyperparameters. Meanwhile, Pipeline jobs are designed to orchestrate complex workflows that might encompass multiple steps, including data preparation, model training, and evaluation, but might be over-complicated for a single script execution. Therefore, for the specific task of executing a Python script for model training, the Command job type stands out as the most appropriate option.