DVA-C02 (Page 18)

A developer is creating a service that uses an Amazon S3 bucket for image uploads.The service will use an AWS Lambda function to create a thumbnail of each image.Each time an image is uploaded, the service needs to send an email notification and create the thumbnail.The developer needs to configure the image processing and email notifications setup.Which solution will meet these requirements?Read More →

A developer manages an application that writes customer orders to an Amazon DynamoDB table.The orders use customer_id as the partition key, order_id as the sort key, and order_date as an attribute.A new access pattern requires accessing data by order_date and order_id.The developer needs to implement a new AWS Lambda function to support the new access pattern.How should the developer support the new access pattern in the MOST operationally efficient way?Read More →

A company is building a microservices application that consists of many AWS Lambda functions.The development team wants to use AWS Serverless Application Model (AWS SAM) templates to automatically test the Lambda functions.The development team plans to test a small percentage of traffic that is directed to new updates before the team commits to a full deployment of the application.Which combination of steps will meet these requirements in the MOST operationally efficient way? (Choose two.)Read More →

A developer is building a microservices-based application by using Python on AWS and several AWS services.The developer must use AWS X-Ray.The developer views the service map by using the console to view the service dependencies.During testing, the developer notices that some services are missing from the service map.What can the developer do to ensure that all services appear in the X-Ray service map?Read More →

A developer needs to store configuration variables for an application.The developer needs to set an expiration date and time for the configuration.The developer wants to receive notifications before the configuration expires.Which solution will meet these requirements with the LEAST operational overhead?Read More →

A company is building a serverless application that uses AWS Lambda functions.The company needs to create a set of test events to test Lambda functions in a development environment.The test events will be created once and then will be used by all the developers in an IAM developer group.The test events must be editable by any of the IAM users in the IAM developer group.Which solution will meet these requirements?Read More →

A financial company must store original customer records for 10 years for legal reasons.A complete record contains personally identifiable information (PII).According to local regulations, PII is available to only certain people in the company and must not be shared with third parties.The company needs to make the records available to third-party organizations for statistical analysis without sharing the PII.A developer wants to store the original immutable record in Amazon S3.Depending on who accesses the S3 document, the document should be returned as is or with all the PII removed.The developer has written an AWS Lambda function to remove the PII from the document.The function is named removePii.What should the developer do so that the company can meet the PII requirements while maintaining only one copy of the document?Read More →

For a deployment using AWS Code Deploy, what is the run order of the hooks for in-place deployments?Read More →

A company is running Amazon EC2 instances in multiple AWS accounts.A developer needs to implement an application that collects all the lifecycle events of the EC2 instances.The application needs to store the lifecycle events in a single Amazon Simple Queue Service (Amazon SQS) queue in the company’s main AWS account for further processing.Which solution will meet these requirements?Read More →

A developer is creating a machine learning (ML) pipeline in AWS Step Functions that contains AWS Lambda functions.The developer has configured an Amazon Simple Queue Service (Amazon SQS) queue to deliver ML model parameters to the ML pipeline to train ML models.The developer uploads the trained models are uploaded to an Amazon S3 bucket.The developer needs a solution that can locally test the ML pipeline without making service integration calls to Amazon SQS and Amazon S3.Which solution will meet these requirements?Read More →