A company’s new mobile app uses Amazon API Gateway.As the development team completes a new release of its APIs, a developer must safely and transparently roll out the API change.What is the SIMPLEST solution for the developer to use for rolling out the new API version to a limited number of users through API Gateway?Read More →
A company is collecting a large amount of data from a fleet of IoT devices.Data is stored as Optimized Row Columnar (ORC) files in the Hadoop Distributed FileSystem (HDFS) on a persistent Amazon EMR cluster.The company’s data analytics team queries the data by using SQL in Apache Presto deployed on the sameEMR cluster.Queries scan large amounts of data, always run for less than 15 minutes, and run only between 5 PM and 10 PM.The company is concerned about the high cost associated with the current solution.A solutions architect must propose the most cost-effective solution that will allow SQL data queries.Which solution will meet these requirements?Read More →
A company wants to rearchitect a large-scale web application to a serverless microservices architecture.The application uses Amazon EC2 instances and is written in Python.The company selected one component of the web application to test as a microservice.The component supports hundreds of requests each second.The company wants to create and test the microservice on an AWS solution that supports Python.The solution must also scale automatically and require minimal infrastructure and minimal operational support.Which solution will meet these requirements?Read More →
A company runs a processing engine in the AWS Cloud.The engine processes environmental data from logistics centers to calculate a sustainability index.The company has millions of devices in logistics centers that are spread across Europe.The devices send information to the processing engine through a RESTful API.The API experiences unpredictable bursts of traffic.The company must implement a solution to process all data that the devices send to the processing engine.Data loss is unacceptable.Which solution will meet these requirements?Read More →
A company needs to migrate all of its development teams to a cloud-based integrated development environment (IDE).Which AWS service should the company use?Read More →
A company recently deployed a new auditing system to centralize information about operating system versions, patching, and installed software for Amazon EC2 instances.A solutions architect must ensure all instances provisioned through EC2 Auto Scaling groups successfully send reports to the auditing system as soon as they are launched and terminated.Which solution achieves these goals MOST efficiently?Read More →
A company has a web application that is deployed on AWS.The application uses an Amazon API Gateway API and an AWS Lambda function as its backend.The application recently demonstrated unexpected behavior.A developer examines the Lambda function code, finds an error, and modifies the code to resolve the problem.Before deploying the change to production, the developer needs to run tests to validate that the application operates properly.The application has only a production environment available.The developer must create a new development environment to test the code changes.The developer must also prevent other developers from overwriting these changes during the test cycle.Which combination of steps will meet these requirements with the LEAST development effort? (Choose two.)Read More →
A company’s AWS architecture currently uses access keys and secret access keys stored on each instance to access AWS services.Database credentials are hard-coded on each instance.SSH keys for command-line remote access are stored in a secured Amazon S3 bucket.The company has asked its solutions architect to improve the security posture of the architecture without adding operational complexity.Which combination of steps should the solutions architect take to accomplish this? (Choose three.)Read More →
A manufacturing company runs its report generation application on AWS.The application generates each report in about 20 minutes.The application is built as a monolith that runs on a single Amazon EC2 instance.The application requires frequent updates to its tightly coupled modules.The application becomes complex to maintain as the company adds new features.Each time the company patches a software module, the application experiences downtime.Report generation must restart from the beginning after any interruptions.The company wants to redesign the application so that the application can be flexible, scalable, and gradually improved.The company wants to minimize application downtime.Which solution will meet these requirements?Read More →
A solutions architect wants to make sure that only AWS users or roles with suitable permissions can access a new Amazon API Gateway endpoint.The solutions architect wants an end-to-end view of each request to analyze the latency of the request and create service maps.How can the solutions architect design the API Gateway access control and perform request inspections?Read More →
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