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Amazon Web Services Updated DVA-C02 Exam Questions and Answers by renee

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Amazon Web Services DVA-C02 Exam Overview :

Exam Name: AWS Certified Developer - Associate
Exam Code: DVA-C02 Dumps
Vendor: Amazon Web Services Certification: AWS Certified Associate
Questions: 344 Q&A's Shared By: renee
Question 20

A developer is creating AWS CloudFormation templates to manage an application's deployment in Amazon Elastic Container Service (Amazon ECS) through AWS CodeDeploy. The developer wants to automatically deploy new versions of the application to a percentage of users before the new version becomes available for all users.

How should the developer manage the deployment of the new version?

Options:

A.

Modify the CloudFormation template to include a Transform section and the AWS::CodeDeploy::BlueGreen hook.

B.

Deploy the new version in a new CloudFormation stack. After testing is complete, update the application's DNS records for the new stack.

C.

Run CloudFormation stack updates on the application stack to deploy new application versions when they are available.

D.

Create a nested stack for the new version. Include a Transform section and the AWS::CodeDeploy::BlueGreen hook.

Discussion
Question 21

A developer is configuring an applications deployment environment in AWS CodePipeine. The application code is stored in a GitHub repository. The developer wants to ensure that the repository package's unit tests run in the new deployment environment. The deployment has already set the pipeline's source provider to GitHub and has specified the repository and branch to use in the deployment.

When combination of steps should the developer take next to meet these requirements with the least the LEAST overhead' (Select TWO).

Options:

A.

Create an AWS CodeCommt project. Add the repository package's build and test commands to the protects buildspec

B.

Create an AWS CodeBuid project. Add the repository package's build and test commands to the projects buildspec

C.

Create an AWS CodeDeploy protect. Add the repository package's build and test commands to the project's buildspec

D.

Add an action to the source stage. Specify the newly created project as the action provider. Specify the build attract as the actions input artifact.

E.

Add a new stage to the pipeline alter the source stage. Add an action to the new stage. Speedy the newly created protect as the action provider. Specify the source artifact as the action's input artifact.

Discussion
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Question 22

A developer is trying get data from an Amazon DynamoDB table called demoman-table. The developer configured the AWS CLI to use a specific IAM use's credentials and ran the following command.

The command returned errors and no rows were returned.

What is the MOST likely cause of these issues?

Options:

A.

The command is incorrect; it should be rewritten to use put-item with a string argument

B.

The developer needs to log a ticket with AWS Support to enable access to the demoman-table

C.

Amazon DynamoOB cannot be accessed from the AWS CLI and needs to called via the REST API

D.

The IAM user needs an associated policy with read access to demoman-table

Discussion
Question 23

An application that is deployed to Amazon EC2 is using Amazon DynamoDB. The app cation calls the DynamoDB REST API Periodically the application receives a ProvisionedThroughputExceededException error when the application writes to a DynamoDB table.

Which solutions will mitigate this error MOST cost-effectively^ (Select TWO)

Options:

A.

Modify the application code to perform exponential back off when the error is received.

B.

Modify the application to use the AWS SDKs for DynamoDB.

C.

Increase the read and write throughput of the DynamoDB table.

D.

Create a DynamoDB Accelerator (DAX) cluster for the DynamoDB table.

E.

Create a second DynamoDB table Distribute the reads and writes between the two tables.

Discussion
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