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To prepare for the Amazon DVA-C02 exam, candidates can take advantage of a variety of resources provided by AWS, such as online training courses, practice exams, and study guides. AWS also offers instructor-led training courses that provide hands-on experience with AWS services and cover the topics that are tested in the exam.

Achieving the Amazon DVA-C02 certification demonstrates a developer's proficiency in AWS services and technologies, making them a valuable asset to any organization that uses AWS for their cloud computing needs. This certification also opens up new opportunities for career growth and advancement in the field of cloud computing. With the growing demand for cloud-based solutions, becoming an AWS Certified Developer - Associate is an excellent way for developers to stay competitive and relevant in the industry.

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The Amazon DVA-C02 exam is intended for individuals who have a minimum of one year of experience in developing and maintaining applications on AWS. The exam covers a wide range of topics, including AWS core services, AWS security, AWS deployment and management, AWS databases, AWS developer tools, and AWS cost optimization. The exam is also designed to test the candidate's ability to use AWS services to meet specific business requirements and to troubleshoot and debug issues with AWS applications.

Amazon AWS Certified Developer - Associate Sample Questions (Q51-Q56):

NEW QUESTION # 51
An application is using Amazon Cognito user pools and identity pools for secure access. A developer wants to integrate the user-specific file upload and download features in the application with Amazon S3. The developer must ensure that the files are saved and retrieved in a secure manner and that users can access only their own files. The file sizes range from 3 KB to 300 MB.
Which option will meet these requirements with the HIGHEST level of security?

A. Use S3 Event Notifications to validate the file upload and download requests and update the user interface (UI).B. Save the details of the uploaded files in a separate Amazon DynamoDB table. Filter the list of files in the user interface (UI) by comparing the current user ID with the user ID associated with the file in the table.C. Use Amazon API Gateway and an AWS Lambda function to upload and download files. Validate each request in the Lambda function before performing the requested operation.D. Use an IAM policy within the Amazon Cognito identity prefix to restrict users to use their own folders in Amazon S3.

Answer: D

NEW QUESTION # 52
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?

A. Write an AWS Lambda function that scans through all EC2 instances in the company accounts to detect EC2 instance lifecycle changes. Configure the Lambda function to write a notification message to the SQS queue in the main account if the function detects an EC2 instance lifecycle change. Add an Amazon EventBridge scheduled rule that invokes the Lambda function every minute.B. Configure the permissions on the main account event bus to receive events from all accounts. Create an Amazon EventBridge rule in each account to send all the EC2 instance lifecycle events to the main account event bus. Add an EventBridge rule to the main account event bus that matches all EC2 instance lifecycle events. Set the SQS queue as a target for the rule.C. Use the resource policies of the SQS queue in the main account to give each account permissions to write to that SQS queue. Add to the Amazon EventBridge event bus of each account an EventBridge rule that matches all EC2 instance lifecycle events. Add the SQS queue in the main account as a target of the rule.D. Configure Amazon EC2 to deliver the EC2 instance lifecycle events from all accounts to the Amazon EventBridge event bus of the main account. Add an EventBridge rule to the event bus of the main account that matches all EC2 instance lifecycle events. Add the SQS queue as a target of the rule.

Answer: B

NEW QUESTION # 53
A developer wants to insert a record into an Amazon DynamoDB table as soon as a new file is added to an Amazon S3 bucket.
Which set of steps would be necessary to achieve this?

A. Create an AWS Lambda function that will poll the S3 bucket and then insert the records into DynamoDB.B. Create an event with Amazon EventBridge that will monitor the S3 bucket and then insert the records into DynamoDB.C. Create a cron job that will run at a scheduled time and insert the records into DynamoDB.D. Configure an S3 event to invoke an AWS Lambda function that inserts records into DynamoDB.

Answer: D

NEW QUESTION # 54
A developer is creating a template that uses AWS CloudFormation to deploy an application. The application is serverless and uses Amazon API Gateway, Amazon DynamoDB, and AWS Lambda.
Which AWS service or tool should the developer use to define serverless resources in YAML?

A. CloudFormation serverless intrinsic functionsB. AWS Elastic BeanstalkC. AWS Serverless Application Model (AWS SAM)D. AWS Cloud Development Kit (AWS CDK)

Answer: C

NEW QUESTION # 55
A company wants to deploy and maintain static websites on AWS. Each website's source code is hosted in one of several version control systems, including AWS CodeCommit, Bitbucket, and GitHub.
The company wants to implement phased releases by using development, staging, user acceptance testing, and production environments in the AWS Cloud. Deployments to each environment must be started by code merges on the relevant Git branch. The company wants to use HTTPS for all data exchange. The company needs a solution that does not require servers to run continuously.
Which solution will meet these requirements with the LEAST operational overhead?

A. Host each website on its own Amazon EC2 instance. Write a custom deployment script to bundle each website's static assets. Copy the assets to Amazon EC2. Set up a workflow to run the script when code is merged.B. Host each website in AWS Elastic Beanstalk with multiple environments. Use the EB CLI to link each repository branch. Integrate AWS CodePipeline to automate deployments from version control code merges.C. Host each website by using AWS Amplify with a serverless backend. Conned the repository branches that correspond to each of the desired environments. Start deployments by merging code changes to a desired branch.D. Host each website in different Amazon S3 buckets for each environment. Configure AWS CodePipeline to pull source code from version control. Add an AWS CodeBuild stage to copy source code to Amazon S3.

Answer: C

NEW QUESTION # 56
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