Free Practice Amazon MLA-C01 Exam Questions 2025

Which task is machine learning NOT used for in the examples provided?

How do financial institutions use machine learning with mobile check deposits?

A Data Scientist is training a multilayer perception (MLP) on a dataset with multiple classes.The target class of interest is unique compared to the other classes within the dataset, but it does not achieve an acceptable recall metric.The Data Scientist has already tried varying the number and size of the MLP's hidden layers, which has not significantly improved the results.A solution to improve recall must be implemented as quickly as possible.Which techniques should be used to meet these requirements?

How does the Amazon flywheel model ensure continuous improvement and growth?

A company that promotes healthy sleep patterns by providing cloud-connected devices currently hosts a sleep tracking application on AWS.The application collects device usage information from device users.The company's Data Science team is building a machine learning model to predict if and when a user will stop utilizing the company's devices.Predictions from this model are used by a downstream application that determines the best approach for contacting users.The Data Science team is building multiple versions of the machine learning model to evaluate each version against the company's business goals.To measure long-term effectiveness, the team wants to run multiple versions of the model in parallel for long periods of time, with the ability to control the portion of inferences served by the models.Which solution satisfies these requirements with MINIMAL effort?