A company wants to run a simulation for 3 years without interruptions.Which Amazon EC2 instance purchasing option will meet these requirements MOST cost-effectively?Read More →
A developer wants to add request validation to a production environment Amazon API Gateway API.The developer needs to test the changes before the API is deployed to the production environment.For the test, the developer will send test requests to the API through a testing tool.Which solution will meet these requirements with the LEAST operational overhead?Read More →
A company uses a single AWS account to test applications on Amazon EC2 instances.The company has turned on AWS Config in the AWS account and has activated the restricted-ssh AWS Config managed rule.The company needs an automated monitoring solution that will provide a customized notification in real time if any security group in the account is not compliant with the restricted-ssh rule.The customized notification must contain the name and ID of the noncompliant security group.A DevOps engineer creates an Amazon Simple Notification Service (Amazon SNS) topic in the account and subscribes the appropriate personnel to the topic.What should the DevOps engineer do next to meet these requirements?Read More →
A company needs to monitor its website’s availability to end users.The company needs a solution to provide an Amazon Simple Notification Service (Amazon SNS) notification if the website’s uptime decreases to less than 99%.The monitoring must provide an accurate view of the user experience on the website.Which solution will meet these requirements?Read More →
A video processing company wants to build a machine learning (ML) model by using 600 TB of compressed data that is stored as thousands of files in the company’s on-premises network attached storage system.The company does not have the necessary compute resources on premises for ML experiments and wants to use AWS.The company needs to complete the data transfer to AWS within 3 weeks.The data transfer will be a one-time transfer.The data must be encrypted in transit.The measured upload speed of the company’s internet connection is 100 Mbps, and multiple departments share the connection.Which solution will meet these requirements MOST cost-effectively?Read More →
A company is using AWS Organizations to manage multiple AWS accounts.The company has an application that allows users to assume the AppUser IAM role to download files from an Amazon S3 bucket that is encrypted with an AWS KMS CMK.However, when users try to access the files in the S3 bucket, they get an access denied error.What should a security engineer do to troubleshoot this error? (Choose three.)Read More →
A company has multiple Microsoft Windows SMB file servers and Linux NFS file servers for file sharing in an on-premises environment.As part of the company’s AWS migration plan, the company wants to consolidate the file servers in the AWS Cloud.The company needs a managed AWS storage service that supports both NFS and SMB access.The solution must be able to share between protocols.The solution must have redundancy at the Availability Zone level.Which solution will meet these requirements?Read More →
A solutions architect has deployed a web application that serves users across two AWS Regions under a custom domain.The application uses Amazon Route 53 latency-based routing.The solutions architect has associated weighted record sets with a pair of web servers in separate Availability Zones for each Region.The solutions architect runs a disaster recovery scenario.When all the web servers in one Region are stopped, Route 53 does not automatically redirect users to the other Region.Which of the following are possible root causes of this issue? (Choose two.)Read More →
A serverless application is using AWS Step Functions to process data and save it to a database.The application needs to validate some data with an external service before saving the data.The application will call the external service from an AWS Lambda function, and the external service will take a few hours to validate the data.The external service will respond to a webhook when the validation is complete.A developer needs to pause the Step Functions workflow and wait for the response from the external service.What should the developer do to meet this requirement?Read More →
A company has developed a distributed application that recovers gracefully from Interruptions.The application periodically processes large volumes of data by using multiple Amazon EC2 Instances.The application is sometimes idle for months.Which EC2 instance purchasing option is MOST cost-effective for this use case?Read More →
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