A company is planning to migrate its virtual server-based workloads to AWS.The company has internet-facing load balancers backed by application servers.The application servers rely on patches from an internet-hosted repository.Which services should a solutions architect recommend be hosted on the public subnet? (Choose two.)Read More →
A company wants to implement a design that includes multiple AWS Regions to support disaster recovery for its application.The company currently has a static website that is hosted on Amazon S3 and Amazon CloudFront.The application connects to an existing Amazon DynamoDB database in the us-east-1 Region.The DynamoDB table was recently created and was initialized with a large amount of company data.The company wants to replicate the database in real time to the us-west-2 Region.A database specialist needs to perform the replication, which must include all existing table data and any new data that is added in the future, in an automated way.Which solution will meet these requirements?Read More →
A developer is configuring an application’s deployment environment in AWS CodePipeline.The application code is stored in a GitHub repository.The developer wants to ensure that the repository package’s unit tests run in the new deployment environment.The developer has already set the pipeline’s source provider to GitHub and has specified the repository and branch to use in the deployment.Which combination of steps should the developer take next to meet these requirements with the LEAST overhead? (Choose two.)Read More →
A business has an application that consists of five independent AWS Lambda functions.The DevOps engineer has built a CI/CD pipeline using AWS CodePipeline and AWS CodeBuild that builds, tests, packages, and deploys each Lambda function in sequence.The pipeline uses an Amazon EventBridge rule to ensure the pipeline starts as quickly as possible after a change is made to the application source code.After working with the pipeline for a few months, the DevOps engineer has noticed the pipeline takes too long to complete.What should the DevOps engineer implement to BEST improve the speed of the pipeline?Read More →
A SysOps administrator has an AWS CloudFormation template of the company’s existing infrastructure in us-west-2.The administrator attempts to use the template to launch a new stack in eu-west-1, but the stack only partially deploys, receives an error message, and then rolls back.Why would this template fail to deploy? (Choose two.)Read More →
A company wants to move an application from on premises to the AWS Cloud.The application uses MySQL servers to store backend data.However, the application does not scale properly.The databases have become unresponsive as the user base has increased.The company needs a solution to make the application highly available with low latency across multiple AWS Regions.The solution must require the least possible operational overhead and development effort.Which solution will meet these requirements?Read More →
A company recently deployed a new AWS account and wants to be notified immediately if a specific number of unauthorized AWS API requests are detected.A security engineer has turned on AWS CloudTrail for the account and is sending CloudTrail logs to Amazon CloudWatch.Which other action must the security engineer perform to receive automated alerts about unauthorized AWS API calls?Read More →
A global ecommerce company runs its critical workloads on AWS.The workloads use an Amazon RDS for PostgreSQL DB instance that is configured for a Multi-AZ deployment.Customers have reported application timeouts when the company undergoes database failovers.The company needs a resilient solution to reduce failover time.Which solution will meet these requirements?Read More →
A company built an ecommerce website on AWS using a three-tier web architecture.The application is Java-based and composed of an Amazon CloudFront distribution, an Apache web server layer of Amazon EC2 instances in an Auto Scaling group, and a backend Amazon Aurora MySQL database.Last month, during a promotional sales event, users reported errors and timeouts while adding items to their shopping carts.The operations team recovered the logs created by the web servers and reviewed Aurora DB cluster performance metrics.Some of the web servers were terminated before logs could be collected and the Aurora metrics were not sufficient for query performance analysis.Which combination of steps must the solutions architect take to improve application performance visibility during peak traffic events? (Choose three.)Read More →
A developer has an application that asynchronously invokes an AWS Lambda function.The developer wants to store messages that resulted in failed invocations of the Lambda function so that the application can retry the call later.What should the developer do to accomplish this goal with the LEAST operational overhead?Read More →
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