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DVA-C02 Relevant Exam Dumps | Exam DVA-C02 Success

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The AWS Certified Developer - Associate exam covers a wide range of topics, including AWS core services such as EC2, S3, and RDS, as well as AWS deployment and management tools such as Elastic Beanstalk, CloudFormation, and CodeDeploy. DVA-C02 Exam also covers topics such as application development, security, and troubleshooting, ensuring that the candidate has a deep understanding of how to design, develop, and deploy secure and scalable applications on AWS.

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Amazon DVA-C02 (AWS Certified Developer - Associate) Certification Exam is an exam designed for professionals who want to demonstrate their expertise in developing and maintaining applications on the Amazon Web Services (AWS) platform. AWS Certified Developer - Associate certification exam is ideal for developers who are experienced in AWS technologies and are looking to validate their skills and knowledge by obtaining a globally recognized certification.

Achieving the Amazon DVA-C02 certification demonstrates a candidate's ability to develop applications on AWS and demonstrates their knowledge of AWS services and best practices. AWS Certified Developer - Associate certification is highly valued by employers and can lead to career opportunities in cloud computing and software development. By passing the DVA-C02 Exam, candidates can demonstrate their expertise in developing and deploying applications on the AWS platform, which is an essential skill for any developer working with cloud-based technologies.

Amazon AWS Certified Developer - Associate Sample Questions (Q50-Q55):

NEW QUESTION # 50
A developer needs to manage AWS infrastructure as code and must be able to deploy multiple identical copies of the infrastructure, stage changes, and revert to previous versions.
Which approach addresses these requirements?

A. Use cost allocation reports and AWS OpsWorks to deploy and manage the infrastructure.
B. Use AWS CloudFormation and AWS CodeCommit to deploy and manage the infrastructure.
C. Use AWS Elastic Beanstalk and AWS CodeCommit to deploy and manage the infrastructure.
D. Use Amazon CloudWatch metrics and alerts along with resource tagging to deploy and manage the infrastructure.

Answer: B

Explanation:
AWS CloudFormation: It allows you to define your infrastructure as code using templates, which can be version-controlled. You can create, update, and delete stacks of AWS resources in a controlled and predictable manner. This aligns with the requirement to deploy multiple identical copies of the infrastructure, stage changes, and revert to previous versions.
AWS CodeCommit: It provides a fully managed source control service, allowing you to store and version-control your CloudFormation templates. This ensures that you can manage and track changes to your infrastructure configurations.

NEW QUESTION # 51
A company runs an AWS CodeBuild project on medium-sized Amazon EC2 instances. The company wants to cost optimize the project and reduce the provisioning time.

A. Select AWS Lambda as the compute mode for the CodeBuild project.
B. Configure the project to run on a CodeBuild reserved capacity fleet.
C. Configure the project to run on a CodeBuild on-demand fleet.
D. Set up Amazon S3 caching for the CodeBuild project.

Answer: D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* Option D: Set up Amazon S3 Caching for CodeBuild:
* CodeBuild supports S3 caching to store intermediate build artifacts and dependencies. This reduces the time required to download dependencies during subsequent builds, effectively lowering costs and improving build performance.
* By using S3 caching, developers can optimize costs without changing the compute type or adding complexity.
* Why Other Options Are Incorrect:
* Option A:CodeBuild does not have a "reserved capacity fleet" option.
* Option B:AWS Lambda cannot be used as the compute mode for CodeBuild projects. CodeBuild uses its own managed build environments.
* Option C:CodeBuild already operates on an on-demand basis, so this does not address the need for optimization or reduced provisioning time.

NEW QUESTION # 52
A developer is designing a serverless application for a game in which users register and log in through a web browser The application makes requests on behalf of users to a set of AWS Lambda functions that run behind an Amazon API Gateway HTTP API The developer needs to implement a solution to register and log in users on the application's sign-in page. The solution must minimize operational overhead and must minimize ongoing management of user identities.
Which solution will meet these requirements'?

A. Create Amazon Cognito user pools for external social identity providers Configure 1AM roles for the identity pools.
B. Program the sign-in page to create users' 1AM groups with the 1AM roles attached to the groups
C. Configure the sign-in page to register and store the users and their passwords in an Amazon DynamoDB table with an attached IAM policy.
D. Create an Amazon RDS for SQL Server DB instance to store the users and manage the permissions to the backend resources in AWS

Answer: A

Explanation:
Explanation
https://docs.aws.amazon.com/cognito/latest/developerguide/signing-up-users-in-your-app.html

NEW QUESTION # 53
A developer is testing a RESTful application that is deployed by using Amazon API Gateway and AWS Lambda. When the developer tests the user login by using credentials that are not valid, the developer receives an HTTP 405: METHOD_NOT_ALLOWED error. The developer has verified that the test is sending the correct request for the resource.
Which HTTP error should the application return in response to the request?

A. HTTP 505
B. HTTP 401
C. HTTP 404
D. HTTP 503

Answer: B

Explanation:
https://docs.aws.amazon.com/AmazonS3/latest/API/ErrorResponses.html

NEW QUESTION # 54
A company is using AWS CioudFormation to deploy a two-tier application. The application will use Amazon RDS as its backend database. The company wants a solution that will randomly generate the database password during deployment. The solution also must automatically rotate the database password without requiring changes to the application.
What is the MOST operationally efficient solution that meets these requirements'?

A. Use an AWS Systems Manager Parameter Store resource with the SecureString data type to generate and rotate the password.
B. Use an AWS Secrets Manager resource to generate and rotate the password.
C. Use a cron daemon on the application s host to generate and rotate the password.
D. Use an AWS Lambda function as a CloudFormation custom resource to generate and rotate the password.

Answer: B

Explanation:
Explanation
This solution will meet the requirements by using AWS Secrets Manager, which is a service that helps protect secrets such as database credentials by encrypting them with AWS Key Management Service (AWS KMS) and enabling automatic rotation of secrets. The developer can use an AWS Secrets Manager resource in AWS CloudFormation template, which enables creating and managing secrets as part of a CloudFormation stack. The developer can use an AWS::SecretsManager::Secret resource type to generate and rotate the password for accessing RDS database during deployment. The developer can also specify a RotationSchedule property for the secret resource, which defines how often to rotate the secret and which Lambda function to use for rotation logic. Option A is not optimal because it will use an AWS Lambda function as a CloudFormation custom resource, which may introduce additional complexity and overhead for creating and managing a custom resource and implementing rotation logic. Option B is not optimal because it will use an AWS Systems Manager Parameter Store resource with the SecureString data type, which does not support automatic rotation of secrets. Option C is not optimal because it will use a cron daemon on the application's host to generate and rotate the password, which may incur more costs and require more maintenance for running and securing a host.
References: [AWS Secrets Manager], [AWS::SecretsManager::Secret]

NEW QUESTION # 55
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