Some highly sensitive analytics workloads are to be moved to Amazon EC2 hosts.Threat modeling has found that a risk exists where a subnet could be maliciously or accidentally exposed to the internet.Which of the following mitigations should be recommended?Read More →
A company runs an online marketplace web application on AWS.The application serves hundreds of thousands of users during peak hours.The company needs a scalable, near-real-time solution to share the details of millions of financial transactions with several other internal applications.Transactions also need to be processed to remove sensitive data before being stored in a document database for low-latency retrieval.What should a solutions architect recommend to meet these requirements?Read More →
A company has implemented an ordering system using an event-driven architecture.During initial testing, the system stopped processing orders.Further log analysis revealed that one order message in an Amazon Simple Queue Service (Amazon SQS) standard queue was causing an error on the backend and blocking all subsequent order messages.The visibility timeout of the queue is set to 30 seconds, and the backend processing timeout is set to 10 seconds.A solutions architect needs to analyze faulty order messages and ensure that the system continues to process subsequent messages.Which step should the solutions architect take to meet these requirements?Read More →
A company uses the AWS SDK for JavaScript in the Browser to build a web application and then hosts the application on Amazon S3.The company wants the application to support 10,000 users concurrently.The company selects Amazon DynamoDB to store user preferences in a table.There is a requirement to uniquely identify users at any scale.Which solution will meet these requirements?Read More →
A company needs to deploy a PostgreSQL database into Amazon RDS.The database must be highly available and fault tolerant.Which AWS solution should the company use to meet these requirements?Read More →
A machine learning (ML) specialist is developing a model for a company.The model will classify and predict sequences of objects that are displayed in a video.The ML specialist decides to use a hybrid architecture that consists of a convolutional neural network (CNN) followed by a classifier three-layer recurrent neural network (RNN).The company developed a similar model previously but trained the model to classify a different set of objects.The ML specialist wants to save time by using the previously trained model and adapting the model for the current use case and set of objects.Which combination of steps will accomplish this goal with the LEAST amount of effort? (Choose two.)Read More →
A company has a popular gaming platform running on AWS.The application is sensitive to latency because latency can impact the user experience and introduce unfair advantages to some players.The application is deployed in every AWS Region.It runs on Amazon EC2 instances that are part of Auto Scaling groups configured behind Application Load Balancers (ALBs).A solutions architect needs to implement a mechanism to monitor the health of the application and redirect traffic to healthy endpoints.Which solution meets these requirements?Read More →
A database specialist observes several idle connections in an Amazon RDS for MySQL DB instance.The DB instance is using RDS Proxy.An application is configured to connect to the proxy endpoint.What should the database specialist do to control the idle connections in the database?Read More →
Which perspective in the AWS Cloud Adoption Framework (AWS CAF) includes a capability for well-designed data and analytics architecture?Read More →
A developer is creating an application that will give users the ability to store photos from their cellphones in the cloud.The application needs to support tens of thousands of users.The application uses an Amazon API Gateway REST API that is integrated with AWS Lambda functions to process the photos.The application stores details about the photos in Amazon DynamoDB.Users need to create an account to access the application.In the application, users must be able to upload photos and retrieve previously uploaded photos.The photos will range in size from 300 KB to 5 MB.Which solution will meet these requirements with the LEAST operational overhead?Read More →
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