DVA-C01 (Page 3)

A developer wants to process personally identifiable information by using a public HTTP API that is hosted on Amazon EC2.The developer also wants to protect the data as securely as possible in transit.Which combination of steps will meet these requirements? (Choose two.)Read More →

A company is using AWS CodePipeline to deliver one of its applications.The delivery pipeline is triggered by changes to the main branch of an AWS CodeCommit repository and uses AWS CodeBuild to implement the test and build stages of the process and AWS CodeDeploy to deploy the application.The pipeline has been operating successfully for several months and there have been no modifications.Following a recent change to the application’s source code, AWS CodeDeploy has not deployed the updated application as expected.What are the possible causes? (Choose two.)Read More →

A company needs to develop a proof of concept for a web service application.The application will show the weather forecast for one of the company’s office locations.The application will provide a REST endpoint that clients can call.Where possible, the application should use caching features provided by AWS to limit the number of requests to the backend service.The application backend will receive a small amount of traffic only during testing.Which approach should the developer take to provide the REST endpoint MOST cost-effectively?Read More →

A company is preparing to migrate an application to the company’s first AWS environment.Before this migration, a developer is creating a proof-of-concept application to validate a model for building and deploying container-based applications on AWS.Which combination of steps should the developer take to deploy the containerized proof-of-concept application with the LEAST operational effort? (Choose two.)Read More →

An application on AWS is using third-party APIs.A developer needs to monitor API errors in the code.The developer needs to receive notifications if failures reach a set threshold value.How can the developer meet these requirements?Read More →

An application stores financial statements in an Amazon S3 bucket.A recent security audit found that the bucket does not comply with company standards.Currently, several IAM policies allow encrypted calls and unencrypted calls to the bucket.The company needs to create a bucket policy that forces all requests to the bucket to use encrypted connections.Which solution will meet this requirement?Read More →

An application receives authenticated user data in the form of a JSON Web Token (JWT) from an Amazon Cognito user pool.A developer is setting up an Amazon API Gateway API to handle requests from the application and is using the token to verify the user’s identity.Which of the following must the developer validate before the user data can be trusted?Read More →

A developer is creating an application.New users of the application must be able to create an account and register by using their own social media accounts.Which AWS service or resource should the developer use to meet these requirements?Read More →

A company is using Amazon OpenSearch Service to implement an audit monitoring system.A developer needs to create an AWS CloudFormation custom resource that is associated with an AWS Lambda function to configure the OpenSearch Service domain.The Lambda function must access the OpenSearch Service domain by using OpenSearch Service internal master user credentials.What is the MOST secure way to pass these credentials to the Lambda function?Read More →

A website allows users to upload photos to Amazon S3.An S3 event invokes an AWS Lambda function that uses the Amazon Rekognition DetectLabels operation to detect real-world objects within a photo.The website needs to store this data in a search index to allow users to quickly locate all photos associated with a label.Which solution will meet these requirements?Read More →