Describe fundamental principles of machine learning on Azure1 / 5
A machine learning model deployed in production continues to be monitored for data drift, which occurs when the distribution of input data changes from what the model was trained on.
CorrectIncorrect
Alex
True. Data drift is a well-established concept in machine learning operations (MLOps) that refers to the phenomenon where the statistical distribution of input data in production diverges from the distribution of the data the model was originally trained on. This is a critical concern for production ML systems because models are built on assumptions about the data they will encounter. When those assumptions no longer hold, model performance (accuracy, precision, recall, etc.) can degrade significantly — even if the model code and parameters remain unchanged. Azure Machine Learning supports monitoring deployed models for data drift as part of its MLOps capabilities. As stated in the official documentation, "Azure Machine Learning is a cloud service that accelerates and manages the machine learning (ML) project lifecycle" including the ability to "train and deploy models and manage machine learning operations (MLOps)" (Source: Microsoft Learn). Monitoring data drift is a key part of managing the ML lifecycle in production. Why the statement is true: - Data drift *does* occur when the distribution of input data changes from what the model was trained on — this is the standard definition. - Monitoring for data drift in production is an essential MLOps practice. - When drift is detected, teams can take corrective action such as retraining the model on more recent data. Why False (the option “False”) is wrong: The statement accurately defines data drift and correctly states that production models are monitored for it. Denying this would contradict fundamental MLOps principles and Azure Machine Learning's built-in capabilities for drift detection.
Sourcelearn.microsoft.com
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