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The AWS Certified Developer - Associate certification exam, also known as Amazon DVA-C02, is designed for professionals who want to demonstrate their expertise in developing and deploying AWS applications. DVA-C02 Exam Tests a candidate's ability to write code using AWS services, design and deploy scalable and highly available systems, and troubleshoot common issues.

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Amazon DVA-C02 (AWS Certified Developer - Associate) exam is a certification program that is designed to test the skills and knowledge of developers who are interested in building and maintaining applications using the Amazon Web Services (AWS) platform. DVA-C02 Exam is intended for individuals who possess a strong understanding of AWS services and have hands-on experience developing and deploying applications on AWS.

Amazon AWS Certified Developer - Associate Sample Questions (Q196-Q201):

NEW QUESTION # 196
A developer is setting up infrastructure by using AWS CloudFormation. If an error occurs when the resources described in the Cloud Formation template are provisioned, successfully provisioned resources must be preserved. The developer must provision and update the CloudFormation stack by using the AWS CLI.
Which solution will meet these requirements?

A. Add a --disable-rollback command line option to the create-stack command and the update-stack command.
B. Add a --tags Key=PreserveResources,Value=True command line option to the create-stack command and the update-stack command.
C. Add a --parameters ParameterKey=PreserveResources,ParameterValue=True command line option to the create-stack command and the update-stack command.
D. Add an --enable-termination-protection command line option to the create-stack command and the update-stack command.

Answer: A

Explanation:
The --disable-rollback command-line option will prevent CloudFormation from rolling back the stack to the previous state if an error occurs. This will ensure that successfully provisioned resources are preserved.

NEW QUESTION # 197
A developer wants to deploy a new version of an AWS Elastic Beanstalk application. During deployment, the application must maintain full capacity and avoid service interruption. Additionally, the developer must minimize the cost of additional resources that support the deployment.
Which deployment method should the developer use to meet these requirements?

A. All at once
B. Immutable
C. Rolling with additional batch
D. Blue/green

Answer: B

Explanation:
Explanation
The immutable deployment method is the best option for this scenario, because it meets the requirements of maintaining full capacity, avoiding service interruption, and minimizing the cost of additional resources.
The immutable deployment method creates a new set of instances in a separate Auto Scaling group and deploys the new version of the application to them. Then, it swaps the new instances with the old ones and terminates the old instances. This way, the application maintains full capacity during the deployment and avoids any downtime. The cost of additional resources is also minimized, because the new instances are only created for a short time and then replaced by the old ones.
The other deployment methods do not meet all the requirements:
The all at once method deploys the new version to all instances simultaneously, which causes a short period of downtime and reduced capacity.
The rolling with additional batch method deploys the new version in batches, but for the first batch it creates new instances instead of using the existing ones. This increases the cost of additional resources and reduces the capacity of the original environment.
The blue/green method creates a new environment with a new set of instances and deploys the new version to them. Then, it swaps the URLs between the old and new environments. This method maintains full capacity and avoids service interruption, but it also increases the cost of additional resources significantly, because it duplicates the entire environment.

NEW QUESTION # 198
A developer accesses AWS CodeCommit over SSH. The SSH keys configured to access AWS CodeCommit are tied to a user with the following permissions:

The developer needs to create/delete branches
Which specific IAM permissions need to be added based on the principle of least privilege?

A. Option C
B. Option A
C. Option B
D. Option D

Answer: B

Explanation:
This solution allows the developer to create and delete branches in AWS CodeCommit by granting the codecommit:CreateBranch and codecommit:DeleteBranch permissions. These are the minimum permissions required for this task, following the principle of least privilege. Option B grants too many permissions, such as codecommit:Put*, which allows the developer to create, update, or delete any resource in CodeCommit. Option C grants too few permissions, such as codecommit:Update*, which does not allow the developer to create or delete branches. Option D grants all permissions, such as codecommit:*, which is not secure or recommended.

NEW QUESTION # 199
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.)

A. Package the application into a container image by using the Docker CLI. Upload the image to Amazon Elastic Container Registry (Amazon ECR).
B. Deploy the application to an Amazon EC2 instance by using AWS CodeDeploy.
C. Deploy the application to Amazon Elastic Kubernetes Service (Amazon EKS) on AWS Fargate.
D. Package the application into a .zip file by using a command line tool. Upload the package to Amazon S3.
E. Deploy the application to Amazon Elastic Container Service (Amazon ECS) on AWS Fargate.

Answer: A,C

NEW QUESTION # 200
A developer is creating a solution to track an account's Amazon S3 buckets over time. The developer has created an AWS Lambda function that will run on a schedule. The function will list the account's S3 buckets and will store the list in an Amazon DynamoDB table. The developer receives a permissions error when the developer runs the function with the AWSLambdaBasicExecutionRole AWS managed policy.
Which combination of permissions should the developer use to resolve this error? (Choose two.)

A. Permission for Amazon S3 to invoke the Lambda function
B. Cross-account IAM role
C. Permission for the Lambda function to list buckets in Amazon S3
D. Permission for DynamoDB to invoke the Lambda function
E. Permission for the Lambda function to write in DynamoDB

Answer: C,E

NEW QUESTION # 201
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