Timed Mode Diagnostic Set – AWS Certified AI Practitioner

A financial services company is developing a system to optimize its stock trading strategies. The system interacts with the stock market environment, making trades and learning from the outcomes. It receives rewards for profitable trades and penalties for losses, aiming to maximize overall returns.

Which of the following machine learning (ML) approaches is utilized in the scenario?

A team of researchers is developing an AI system to assist doctors in diagnosing medical conditions. The system needs to analyze both patient text reports and medical images (such as X-rays and MRIs).

Which model architecture would be most suitable for the given requirements?

A five-star hotel has accumulated a significant volume of customer reviews and feedback forms. The hotel intends to collect these reviews to enhance its services and highlight recurring issues or concerns raised by their guests. They are also interested in analyzing feedback to introduce new amenities, although their primary focus remains improving current services and addressing frequent complaints.

Which AWS service should the hotel use to effectively analyze customer feedback and enhance its services?

A health and wellness startup is developing a mobile app that provides personalized fitness and nutrition recommendations to users. The app collects data on users’ exercise routines, dietary preferences, and health goals. The startup aims to develop machine learning models that suggest tailored workout plans, meal recipes, and supplements based on individual profiles.

Which AWS service gives the ability to build, train, and deploy machine learning models?

A healthcare organization is in the process of migrating its patient management system to AWS. As part of their compliance and due diligence efforts, they must ensure that all AWS services and solutions they plan to use comply with various healthcare regulations, such as HIPAA and HITRUST. The organization also works with independent software vendors (ISVs) who need to verify compliance with the AWS services they intend to integrate. The organization must obtain security and compliance documentation from AWS to meet these regulatory requirements and demonstrate compliance to auditors.

Which AWS service can this organization access the necessary security and compliance reports?

A company has deployed a machine learning model for fraud detection in its e-commerce platform. The model has been running in production for several months. The company wants to ensure that it continues to perform accurately and reliably.

Which AWS services or features should the company use to monitor the model’s performance and incorporate human review when necessary? (Select TWO.)

An e-commerce company receives hundreds of invoices from suppliers every day. The finance team spends a significant amount of time manually extracting relevant information from these invoices, such as invoice numbers, line items, and total amounts. The goal is to streamline this process using AI-powered tools.

Which of the following options will meet the requirements?

A research institution has deployed a generative AI solution within its system. The compliance team must guarantee that the solution adheres to the necessary standards to protect the confidentiality, integrity, and availability of the data accessed by the AI. This is particularly important as the institution handles sensitive federal research data.

Which standards will ensure the solution meets US government regulatory requirements?

A machine learning specialist is developing an ML model to predict customer churn for a subscription-based service using Amazon SageMaker. The specialist is concerned about potential biases in the training data that might affect the model’s performance. The specialist must also ensure that the model’s predictions are transparent and explainable to stakeholders.

Which AWS SageMaker capabilities help to meet these requirements?