Which change will create the required transformed records with the LEAST operational overhead?

2025-10-02
By:
In: MLS-C01
With: 1 Comment

A retail company is ingesting purchasing records from its network of 20,000 stores to Amazon S3 by using Amazon Kinesis Data Firehose.The company uses a small, server-based application in each store to send the data to AWS over the internet.The company uses this data to train a machine learning model that is retrained each day.The company’s data science team has identified existing attributes on these records that could be combined to create an improved model.Which change will create the required transformed records with the LEAST operational overhead?Read More →

Which solution will meet these requirements?

2025-10-02
By:
In: DVA-C01
With: 1 Comment

A developer is building a serverless application that uses the AWS Cloud Development Kit (AWS CDK) to deploy application infrastructure.The developer is creating an AWS Lambda function that queries an HTTP API.The API needs all requests to include an access token for authentication and authorization.The developer needs to store the access token securely and to give the Lambda function access to the token.Which solution will meet these requirements?Read More →

What is the likely cause of the failure?

2025-10-02
By:
In: SCS-C01
With: 1 Comment

A Security Engineer signed in to the AWS Management Console as an IAM user and switched to the security role IAM role.To perform a maintenance operation, the Security Engineer needs to switch to the maintainer role IAM role, which lists the security role as a trusted entity.The Security Engineer attempts to switch to the maintainer role, but it fails.What is the likely cause of the failure?Read More →

Which solution will meet these requirements?

2025-10-02
By:
In: DOP-C01
With: 1 Comment

A development team uses AWS CodeCommit, AWS CodePipeline, and AWS CodeBuild to develop and deploy an application.Changes to the code are submitted by pull requests.The development team reviews and merges the pull requests, and then the pipeline builds and tests the application.Over time, the number of pull requests has increased.The pipeline is frequently blocked because of failing tests.To prevent this blockage, the development team wants to run the unit and integration tests on each pull request before it is merged.Which solution will meet these requirements?Read More →

Which solution meets these requirements?

2025-10-02
By:
In: DBS-C01
With: 1 Comment

A company is building a web application on AWS.The application requires the database to support read and write operations in multiple AWS Regions simultaneously.The database also needs to propagate data changes between Regions as the changes occur.The application must be highly available and must provide latency of single-digit milliseconds.Which solution meets these requirements?Read More →

Which combination of AWS services or features will meet these requirements?

2025-10-02
By:
In: SAA-C02
With: 1 Comment

A company is hosting multiple websites for several lines of business under its registered parent domain.Users accessing these websites will be routed to appropriate backend Amazon EC2 instances based on the subdomain.The websites host static webpages, images, and server-side scripts like PHP andJavaScript.Some of the websites experience peak access during the first two hours of business with constant usage throughout the rest of the day.A solutions architect needs to design a solution that will automatically adjust capacity to these traffic patterns while keeping costs low.Which combination of AWS services or features will meet these requirements? (Choose two.)Read More →