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Amazon Web Services DVA-C02 Exam With Confidence Using Practice Dumps

Exam Code:
DVA-C02
Exam Name:
AWS Certified Developer - Associate
Certification:
AWS Certified Associate
Vendor:
Amazon Web Services
Questions:
600
Last Updated:
May 21, 2026
Exam Status:
Stable
Amazon Web Services DVA-C02

DVA-C02: AWS Certified Associate Exam 2025 Study Guide Pdf and Test Engine

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AWS Certified Developer - Associate Questions and Answers

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Question 1

A developer is creating a serverless application that uses an AWS Lambda function The developer will use AWS CloudFormation to deploy the application The application will write logs to Amazon CloudWatch Logs The developer has created a log group in a CloudFormation template for the application to use The developer needs to modify the CloudFormation template to make the name of the log group available to the application at runtime

Which solution will meet this requirement?

Options:

A.

Use the AWS:lnclude transform in CloudFormation to provide the log group ' s name to the application

B.

Pass the log group ' s name to the application in the user data section of the CloudFormation template.

C.

Use the CloudFormation template ' s Mappings section to specify the log group ' s name for the application.

D.

Pass the log group ' s Amazon Resource Name (ARN) as an environment variable to the Lambda function

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Question 2

A software company is launching a multimedia application. The application will allow guest users to access sample content before the users decide if they want to create an account to gain full access. The company wants to implement an authentication process that can identify users who have already created an account. The company also needs to keep track of the number of guest users who eventually create an account.

Which combination of steps will meet these requirements? {Select TWO.)

Options:

A.

Create an Amazon Cognito user pool. Configure the user pool to allow unauthenticated users. Exchange user tokens for temporary credentials that allow authenticated users to assume a role.

B.

Create an Amazon Cognito identity pool. Configure the identity pool to allow unauthenticated users. Exchange unique identity for temporary credentials that allow all users to assume a role.

C.

Create an Amazon CloudFront distribution. Configure the distribution to allow unauthenticated users. Exchange user tokens for temporary credentials that allow all users to assume a role.

D.

Create a role for authenticated users that allows access to all content. Create a role for unauthenticated users that allows access to only the sample content.

E.

Allow all users to access the sample content by default. Create a role for authenticated users that allows access to the other content.

Question 3

A company has an application that uses an AWS Lambda function to process customer orders. The company notices that the application processes some orders more than once.

A developer needs to update the application to prevent duplicate processing.

Which solution will meet this requirement with the LEAST implementation effort?

Options:

A.

Implement a de-duplication mechanism that uses Amazon DynamoDB as the control database. Configure the Lambda function to check for the existence of a unique identifier before processing each event.

B.

Create a custom Amazon ECS task to perform idempotency checks. Use AWS Step Functions to integrate the ECS task with the Lambda function.

C.

Configure the Lambda function to retry failed invocations. Implement a retry mechanism that has a fixed delay between attempts to handle duplicate events.

D.

Use Amazon Athena to query processed events to identify duplicate records. Add processing logic to the Lambda function to handle the duplication scenarios that the query identifies.

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