Amazon AWS-Certified-Developer-Associate Actual Free Exam Questions & Community Discussion

Exam Code/Number: AWS-Certified-Developer-Associate
Exam Name/Title: AWS Certified Developer Associate Exam (DVA-C02)
Certification Provider: Amazon
Corresponding Certification: AWS Certified Developer

Exam Questions: 370
Updated On: Jun 01, 2026

Question #25

A developer is using an AWS Lambda function to generate avatars for profile pictures that are uploaded to an Amazon S3 bucket. The Lambda function is automatically invoked for profile pictures that are saved under the /original/ S3 prefix. The developer notices that some pictures cause the Lambda function to time out. The developer wants to implement a fallback mechanism by using another Lambda function that resizes the profile picture.
Which solution will meet these requirements with the LEAST development effort?

A. Create an AWS Step Functions state machine that invokes the avatar generator Lambda function and uses the image resize Lambda function as a fallback. Create an Amazon EventBridge rule that matches events from the S3 bucket to invoke the state machine.

B. Create an Amazon Simple Queue Service (Amazon SQS) queue. Set the SQS queue as a destination with an on failure condition for the avatar generator Lambda function. Configure the image resize Lambda function to poll from the SQS queue.

C. Set the image resize Lambda function as a destination of the avatar generator Lambda function for the events that fail processing.

D. Create an Amazon Simple Notification Service (Amazon SNS) topic. Set the SNS topic as a destination with an on failure condition for the avatar generator Lambda function. Subscribe the image resize Lambda function to the SNS topic.

Discussion 0

Correct Answer: C Vote an answer

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Question #26

A developer received the following error message during an AWS CloudFormation deployment:
Which action should the developer take to resolve this error?

A. Add a force parameter when calling CloudFormation with the role-am of ASGInstanceRole12345678.

B. Modify the CloudFormation template to retain the ASGInstanceRolet 2345678 resource. Then manually delete the resource after deployment.

C. Contact AWS Support to report an issue with the Auto Scaling Groups (ASG> service.

D. Add a DependsOn attribute to the ASGInstanceRole12345678 resource in the CloudFormation template. Then delete the stack.

Discussion 0

Correct Answer: B Vote an answer

Question #27

A developer is creating an Amazon DynamoDB table by using the AWS CLI The DynamoDB table must use server-side encryption with an AWS owned encryption key How should the developer create the DynamoDB table to meet these requirements?

A. Create the DynamoDB table with the default encryption options

B. Create an AWS owned key Provide the key's Amazon Resource Name (ARN) in the KMSMasterKeyld parameter during creation of the DynamoDB table.

C. Create an AWS Key Management Service (AWS KMS) AWS managed key Provide the key's Amazon Resource Name (ARN) in the KMSMasterKeyld parameter during creation of the DynamoDB table

D. Create an AWS Key Management Service (AWS KMS) customer managed key. Provide the key's Amazon Resource Name (ARN) in the KMSMasterKeyld parameter during creation of the DynamoDB table

Discussion 0

Correct Answer: A Vote an answer

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Question #28

When using the AWS Encryption SDK how does the developer keep track of the data encryption keys used to encrypt data?

A. The data encryption key is stored m the user data for the EC2 instance.

B. The SDK encrypts the data encryption key and stores it (encrypted) as part of the resumed ophertext.

C. The developer must manually keep Hack of the data encryption keys used for each data object.

D. The SDK stores the data encryption keys automaticity in Amazon S3.

Discussion 0

Correct Answer: B Vote an answer

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Question #29

A developer is deploying a new application to Amazon Elastic Container Service (Amazon ECS). The developer needs to securely store and retrieve different types of variables. These variables include authentication information for a remote API, the URL for the API, and credentials. The authentication information and API URL must be available to all current and future deployed versions of the application across development, testing, and production environments.
How should the developer retrieve the variables with the FEWEST application changes?

A. Update the application to retrieve the variables from each of the deployed environments. Define the authentication information and API URL in the ECS task definition as unique names during the deployment process.

B. Update the application to retrieve the variables from AWS Systems Manager Parameter Store. Use unique paths in Parameter Store for each variable in each environment. Store the credentials in AWS Secrets Manager in each environment.

C. Update the application to retrieve the variables from AWS Key Management Service (AWS KMS).
Store the API URL and credentials as unique keys for each environment.

D. Update the application to retrieve the variables from an encrypted file that is stored with the application.
Store the API URL and credentials in unique files for each environment.

Discussion 0

Correct Answer: B Vote an answer

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Question #30

A developer created an AWS Lambda function that performs a series of operations that involve multiple AWS services. The function's duration time is higher than normal. To determine the cause of the issue, the developer must investigate traffic between the services without changing the function code Which solution will meet these requirements?

A. Review the Amazon CloudWatch logs that are associated with the Lambda function.

B. Review the AWS Config logs in Amazon Cloud Watch.

C. Configure AWS CloudTrail View the trail logs that are associated with the Lambda function.

D. Enable AWS X-Ray active tracing in the Lambda function Review the logs in X-Ray

Discussion 0

Correct Answer: D Vote an answer

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Question #31

A developer needs to troubleshoot an AWS Lambda function in a development environment. The Lambda function is configured in VPC mode and needs to connect to an existing Amazon RDS for SOL Server DB instance. The DB instance is deployed in a private subnet and accepts connections by using port 1433.
When the developer tests the function, the function reports an error when it tries to connect to the database.
Which combination of steps should the developer take to diagnose this issue? (Select TWO.)

A. Check that the function's execution rote permissions include ec2: CreateNetworklnterface. ec2:DescribeNetworklnterfaces. and ec2: DeleteNetworklnterface.

B. Check that the function's security group has Inbound access on port 1433 from the DB Instance's security group. Check that the DB instance's security group has outbound access on port 1433 to the function's security group.

C. Check that the function's execution role permissions include rds:DescribeDBInstances, rds: ModifyDB Instance, and rds:DescribeDBSecurityGroups for the DB instance.

D. Check that the VPC is set up for a NAT gateway. Check that the DB instance has the public access option turned on.

E. Check that the function's security group has outbound access on port 1433 to the DB instance's security group. Check that the DB instance's security group has inbound access on port 1433 from the function's security group.

Discussion 0

Correct Answer: A,E Vote an answer

Question #32

A developer must use multi-factor authentication (MFA) to access data in an Amazon S3 bucket that is in another AWS account. Which AWS Security Token Service (AWS STS) API operation should the developer use with the MFA information to meet this requirement?

A. GetFederationToken

B. AssumeRoleWithWebidentity

C. AssumeRole

D. AssumeRoleWithSAML

Discussion 0

Correct Answer: C Vote an answer

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