Which of the following is an AWS Well-Architected Framework design principle for operational excellence in the AWS Cloud?Read More →
A developer is optimizing an AWS Lambda function and wants to test the changes in production on a small percentage of all traffic.The Lambda function serves requests to a RE ST API in Amazon API Gateway.The developer needs to deploy their changes and perform a test in production without changing the API Gateway URL.Which solution will meet these requirements?Read More →
A company has built a high performance computing (HPC) cluster in AWS for a tightly coupled workload that generates a large number of shared files stored inAmazon EFS.The cluster was performing well when the number of Amazon EC2 instances in the cluster was 100.However, when the company increased the cluster size to 1,000 EC2 instances, overall performance was well below expectations.Which collection of design choices should a solutions architect make to achieve the maximum performance from the HPC cluster? (Choose three.)Read More →
A company provides a Voice over Internet Protocol (VoIP) service that uses UDP connections.The service consists of Amazon EC2 instances that run in an Auto Scaling group.The company has deployments across multiple AWS Regions.The company needs to route users to the Region with the lowest latency.The company also needs automated failover between Regions.Which solution will meet these requirements?Read More →
A company has an application that generates reports and stores them in an Amazon S3 bucket.When a user accesses their report, the application generates a signed URL to allow the user to download the report.The company’s security team has discovered that the files are public and that anyone can download them without authentication.The company has suspended the generation of new reports until the problem is resolved.Which set of actions will immediately remediate the security issue without impacting the application’s normal workflow?Read More →
An ecommerce company wants to use Amazon EC2 Auto Scaling to add and remove EC2 instances based on CPU utilization.Which AWS service or feature can initiate an Amazon EC2 Auto Scaling action to achieve this goal?Read More →
A company has a large Microsoft SharePoint deployment running on-premises that requires Microsoft Windows shared file storage.The company wants to migrate this workload to the AWS Cloud and is considering various storage options.The storage solution must be highly available and integrated with ActiveDirectory for access control.Which solution will satisfy these requirements?Read More →
A developer is updating the production version of an AWS Lambda function to fix a defect.The developer has tested the updated code in a test environment.The developer wants to slowly roll out the updates to a small subset of production users before rolling out the changes to all users.Only 10% of the users should be initially exposed to the new code in production.Which solution will meet these requirements?Read More →
Your company hosts a social media site supporting users in multiple countries. You have been asked to provide a highly available design tor the application that leverages multiple regions tor the most recently accessed content and latency sensitive portions of the wet) site The most latency sensitive component of the application involves reading user preferences to support web site personalization and ad selection.In addition to running your application in multiple regions, which option will support this application’s requirements?Read More →
A development team runs monthly resource-intensive tests on its general purpose Amazon RDS for MySQL DB instance with Performance Insights enabled.The testing lasts for 48 hours once a month and is the only process that uses the database.The team wants to reduce the cost of running the tests without reducing the compute and memory attributes of the DB instance.Which solution meets these requirements MOST cost-effectively?Read More →
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