DVA-C02 Exam Questions

A development team is using an Amazon SNS topic as part of an application. The development team is using an AWS SDK to send messages to the SNS topic. The SNS topic sends an email...

A company is evaluating whether it can successfully migrate a small HTTP-based service to a serverless architecture to reduce costs. The service runs on an Amazon EC2 instance. The...

A developer is creating a web application. The developer needs to store, retrieve, and rotate database credentials, OAuth tokens, and API keys. The credentials, OAuth tokens, and A...

A developer is configuring an Amazon API Gateway REST API. The REST API contains a resource that implements a GET method. The GET method uses an integration request that has an int...

A developer is working on an application that will store protected health information (PHI) in an Amazon RDS database. The developer applies encryption to the database. The develop...

An application development team decides to use AWS X-Ray to monitor application code to analyze performance and perform root cause analysis. What does the team need to do to begin...

A developer is designing a full-stack serverless application. Files for the website are stored in an Amazon S3 bucket. AWS Lambda functions that use Amazon API Gateway endpoints re...

A developer has created a new IAM user that has the s3:PutObject permission to write to a specific Amazon S3 bucket. The S3 bucket uses server-side encryption with AWS KMS managed...

An ecommerce company manages its application's infrastructure by using AWS Elastic Beanstalk. A developer wants to deploy the new version of the application with the least possible...

A developer is working on a web application that runs on Amazon ECS and uses an Amazon DynamoDB table to store data. The application performs a large number of read requests agains...

A developer is trying to make API calls using AWS SDK. The IAM user credentials used by the application require multi-factor authentication for all API calls. Which method should t...

A company uses an AWS CloudFormation stack to deploy a serverless application that is based on AWS Lambda functions. The company uses Amazon CloudWatch, AWS CloudTrail, and Amazon...

A developer is deploying an application on Amazon EC2 instances that run in Account A. In certain cases, this application needs to read data from a private Amazon S3 bucket in Acco...

An application uses the Amazon RDS Data API to write data to a PostgreSQL database that is hosted in an Amazon Aurora DB cluster. The application receives predefined SQL queries in...

A developer is writing an application that will provide data files to an external company. The external company needs to verify that the data is not modified in transit. How can th...

A company has multiple development teams. Each development team runs its own cloud development environment. Each development environment is isolated to its own AWS account. All of...

A developer is writing a web application that will run on AWS Lambda. The application will give users the ability to log in to view private documents. All pages in the application...

A company uses an organization in AWS Organizations to manage a multi-account landing zone. The company has enabled service control policies (SCP) and resource control policies (RC...

A company is deploying an Amazon CloudFront distribution in front of an existing web application. Application Load Balancer (ALB) in the eu-west-1 Region. The distribution uses the...

A company runs a processing job every night to calculate customer loyalty scores. The job processes customer records sequentially. The job loads a customer's data from an Amazon Dy...

A company runs an application that returns product data to customers. To add a new product to the application, the company manually performs the following actions: - A service that...

A software company is migrating a single-page application from on-premises servers to the AWS Cloud by using AWS Amplify Hosting. The application relies on an API that was created...

A company's application runs on a fleet of Amazon EC2 instances in a VPC within private subnets that do not have public internet access. The company uses Amazon CloudWatch to monit...

A company has a two-tier application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The EC2 instances are in an Auto Scaling group. The Auto Scaling g...

A developer is testing an AWS Lambda function. The developer invokes the Lambda function by using a function URL with an AWS_IAM authentication type. The invocation fails. The deve...

A company runs an application as an Amazon ECS service on an AWS Fargate cluster. The company has configured the service to use the rolling update deployment type. The company set...

A company uses AWS CodePipeline to create a fully automated continuous integration and continuous delivery (CI/CD) workflow. Any code changes that the company commits to production...

A company is building a single-page application. An AWS Lambda function runs the backend logic. The company wants to use Amazon API Gateway to deploy a single API across multiple e...

A company hosts an application that uploads data to an Amazon S3 bucket named amzn-s3- demo-bucket. The bucket is in a single AWS account named 111111111111. The company deploys an...

A developer creates a container image that includes the necessary Python code and dependencies for a company's data analytics processing jobs. Each job takes less than 2 minutes to...

A company uses Amazon SNS to send payment confirmation messages for completed transactions across multiple services. The company must maintain strict data security standards. The S...

A developer is building a web application that is accessible through an Amazon CloudFront distribution. The application invokes an AWS Lambda function through a function URL. The d...

A company runs an internal reporting application that has hundreds of AWS Lambda functions. The company must protect personally identifiable information (PII) that appears in the c...

A developer is building an application that is based on an AWS Lambda function. The developer needs to allow the Lambda function to send events to an Amazon EventBridge event bus i...

A developer for a company is configuring an AWS Lambda function to process monitoring alerts. The developer needs to use Amazon EventBridge to invoke the Lambda function when an Am...

A developer is building an application that has an Amazon API Gateway HTTP API that invokes AWS Lambda functions. End users need to authenticate to the application by using an iden...

A development team is load testing two Lambda functions. The Lambda functions run behind an Application Load Balancer (ALB) in a development AWS account. Each function reads a smal...

A company needs to rapidly prototype a web application. However, the company has not yet designed the complete architecture. A developer uses AWS Lambda functions to build three en...

A company has an application on AWS. In the application, users can upload and share images. The images are stored in an Amazon S3 bucket. The application uses temporary tokens to u...

A company's AWS environment includes Amazon S3 buckets, Amazon EC2 instances, and AWS Lambda functions. A developer needs to systematically analyze IAM policies and the AWS resourc...

An ecommerce company operates a microservices-based application on AWS. The company updates an API for a payment-processing microservice in Amazon API Gateway. After the update, cu...

A developer for a company uses an Amazon S3 bucket to store log files. A bucket policy on the S3 bucket denies all write and delete operations for all principles. The developer obs...

A developer creates a serverless application. The application includes AWS Lambda functions that process data changes and Amazon DynamoDB tables. The developer needs to deploy upda...

A company's application uses an Amazon API Gateway REST API and AWS Lambda functions to upload media files to and fetch media files from a standard Amazon S3 Standard bucket. The c...