Operations reports a need to store feature values for online inference. What is the MOST operationally efficient solution? store feature values for online inference.
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
Feature Store serves consistent features in training and inference.
Correct answer(s): a. Amazon SageMaker Feature Store
Exam domain: Domain 1: Data Preparation for Machine Learning (28% weight on the official guide).
Official documentation & study links
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