A company deployed a machine learning (ML) model on the company website to predict real estate prices.Several months after deployment, an ML engineer notices that the accuracy of the model has gradually decreased.The ML engineer needs to improve the accuracy of the model.The engineer also needs to receive notifications for any future performance issues.Which solution will meet these requirements?Read More →
A media company is using two video conversion tools that run on Amazon EC2 instances.One tool runs on Windows instances, and the other tool runs on Linux instances.Each video file is large in size and must be processed by both tools.The company needs a storage solution that can provide a centralized file system that can be mounted on all the EC2 instances that are used in this process.Which solution meets these requirements?Read More →
A company is developing an application that performs intensive in-memory operations on advanced data structures such as sorted sets.The application requires sub-millisecond latency for reads and writes.The application occasionally must run a group of commands as an ACID-compliant operation.A database specialist is setting up the database for this application.The database specialist needs the ability to create a new database cluster from the latest backup of the production cluster.Which type of cluster should the database specialist create to meet these requirements?Read More →
A developer is creating an AWS Lambda function that needs credentials to connect to an Amazon RDS for MySQL database.An Amazon S3 bucket currently stores the credentials.The developer needs to improve the existing solution by implementing credential rotation and secure storage.The developer also needs to provide integration with the Lambda function.Which solution should the developer use to store and retrieve the credentials with the LEAST management overhead?Read More →
A company is migrating Docker repositories to Amazon Elastic Container Registry (Amazon ECR) in an existing AWS account.A DevOps engineer needs to automate the management of images that are uploaded to the repositories.The solution must limit the number of image versions.As a first step, the DevOps engineer creates a private repository in Amazon ECR for each repository that the company will migrate.What should the DevOps engineer do next to meet the requirements in the MOST operationally efficient manner?Read More →
A company manages a multi-tenant environment in its VPC and has configured Amazon GuardDuty for the corresponding AWS account.The company sends all GuardDuty findings to AWS Security Hub.Traffic from suspicious sources is generating a large number of findings.A DevOps engineer needs to implement a solution to automatically deny traffic across the entire VPC when GuardDuty discovers a new suspicious source.Which solution will meet these requirements?Read More →
A company has an application that uses Amazon DynamoDB tables.The tables are spread across AWS accounts and AWS Regions.The company uses AWS CloudFormation to deploy AWS resources.A new team at the company is deleting unused AWS resources.The team accidentally deletes several production DynamoDB tables by running an AWS Lambda function that makes a DynamoDB DeleteTable API call.The table deletions cause an application outage.A SysOps administrator must implement a solution that minimizes the chance of accidental deletions of tables.The solution also must minimize data loss that results from accidental deletions.Which combination of steps will meet these requirements? (Choose two.)Read More →
A company runs an application that gives users the ability to search for videos and related information by using keywords that are curated from content providers.The application data is stored in an on-premises Oracle database that is 800 GB in size.The company wants to migrate the data to an Amazon Aurora MySQL DB instance.A solutions architect plans to use the AWS Schema Conversion Tool andAWS Database Migration Service (AWS DMS) for the migration.During the migration, the existing database must serve ongoing requests.The migration must be completed with minimum downtime.Which solution will meet these requirements?Read More →
A company hosts a web-based application that captures and stores sensitive data in an Amazon DynamoDB table.The company needs to implement a solution that provides end-to-end data protection and the ability to detect unauthorized data changes.Which solution will meet these requirements?Read More →
A company has a three-tier application for image sharing.The application uses an Amazon EC2 instance for the front-end layer, another EC2 instance for the application layer, and a third EC2 instance for a MySQL database.A solutions architect must design a scalable and highly available solution that requires the least amount of change to the application.Which solution meets these requirements?Read More →
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