DVA-C01 (Page 18)

A security review for a software company’s application infrastructure shows that there is no test coverage in any of the company’s deployment pipelines.A developer must fix this issue as soon as possible.The company has been integrating the AWS Cloud Development Kit (AWS CDK) into the deployment process.However, much of the pipeline still uses AWS CloudFormation templates.The developer needs to add test coverage to all the deployment code.Which solution will meet these requirements with the LEAST amount of configuration?Read More →

A company has migrated an application to Amazon EC2 instances.Automatic scaling is working well for the application user interface.However, the process to deliver shipping requests to the company’s warehouse staff is encountering issues.Duplicate shipping requests are arriving, and some requests are lost or arrive out of order.The company must avoid duplicate shipping requests and must process the requests in the order that the requests arrive.Requests are never more than 250 KB in size and take 5-10 minutes to process.A developer needs to rearchitect the application to improve the reliability of the delivery and processing of the requests.What should the developer do to meet these requirements?Read More →

A company deploys a local news website on a fleet of Amazon EC2 instances behind an Application Load Balancer (ALB).The company wants to implement authentication for viewers through well-known social identity providers (IdPs).The company’s development team must use AWS native services in the solution.Which combination of actions will meet these requirements? (Choose two.)Read More →

A company has three AWS Lambda functions that are written in Node.js.The Lambda functions include a mix of custom code and open-source modules.When bugs are occasionally detected in the open-source modules, all three Lambda functions must be patched.What is the MOST operationally efficient solution to deploy a patched open-source library for all three Lambda functions?Read More →

A developer is writing an application to encrypt files outside of AWS before uploading the files to an Amazon S3 bucket.The encryption must be symmetric and must be performed inside the application.How can the developer implement the encryption in the application to meet these requirements?Read More →

A developer is creating a new application that will be accessed by users through an API created using Amazon API Gateway.The users need to be authenticated by a third-party Security Assertion Markup Language (SAML) identity provider.Once authenticated, users will need access to other AWS services, such as Amazon S3 and Amazon DynamoDB.How can these requirements be met?Read More →

A company is working on a new serverless application.A developer needs to find an automated way to deploy AWS Lambda functions and the dependent infrastructure with minimum coding effort.The application also needs to be reliable.Which method will meet these requirements with the LEAST operational overhead?Read More →

An application that is deployed to Amazon EC2 is using Amazon DynamoDB.The application calls the DynamoDB REST API.Periodically, the application receives a ProvisionedThroughputExceededException error when the application writes to a DynamoDB table.Which solutions will mitigate this error MOST cost-effectively? (Choose two.)Read More →

A company is building a serverless application that uses AWS Lambda.The application includes Lambda functions that are exposed by Amazon API Gateway.The functions will use several large third-party libraries, and the build artifacts will exceed 50 MB in size.Which combination of steps should a developer take to prepare and perform the deployment? (Choose two.)Read More →

A developer is using an AWS Key Management Service (AWS KMS) customer master key (CMK) with imported key material to encrypt data in Amazon S3.The developer accidentally deletes the key material of the CMK and is unable to decrypt the data.How can the developer decrypt the data that was encrypted by the CMK?Read More →