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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:
425
Last Updated:
Jan 12, 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 company is building a serverless application on AWS. The application uses an AWS Lambda function to process customer orders 24 hours a day, 7 days a week. The Lambda function calls an external vendor's HTTP API to process payments.

During load tests, a developer discovers that the external vendor payment processing API occasionally times out and returns errors. The company expects that some payment processing API calls will return errors.

The company wants the support team to receive notifications in near real time only when the payment processing external API error rate exceed 5% of the total number of transactions in an hour. Developers need to use an existing Amazon Simple Notification Service (Amazon SNS) topic that is configured to notify the support team.

Which solution will meet these requirements?

Options:

A.

Write the results of payment processing API calls to Amazon CloudWatch. Use Amazon CloudWatch Logs Insights to query the CloudWatch logs. Schedule the Lambda function to check the CloudWatch logs and notify the existing SNS topic.

B.

Publish custom metrics to CloudWatch that record the failures of the external payment processing API calls. Configure a CloudWatch alarm to notify the existing SNS topic when error rate exceeds the specified rate.

C.

Publish the results of the external payment processing API calls to a new Amazon SNS topic. Subscribe the support team members to the new SNS topic.

D.

Write the results of the external payment processing API calls to Amazon S3. Schedule an Amazon Athena query to run at regular intervals. Configure Athena to send notifications to the existing SNS topic when the error rate exceeds the specified rate.

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Question 2

A company runs an application as an Amazon ECS service on an AWS Fargate cluster. The company has configured the service to use the rolling update deployment type. The company set the minimum healthy percentage to 100% and set the maximum healthy percentage to 200%.

A developer observes that a new deployment of the ECS service is failing continuously. The developer must ensure that Amazon ECS restores the most recently completed service deployment when a new service deployment fails.

Which solution will meet this requirement?

Options:

A.

Use Amazon ECS service auto scaling. Set the scaling policy type as step scaling.

B.

Use Amazon ECS service auto scaling. Set the scaling policy type as target tracking.

C.

Use the blue/green deployment type. Enable the deployment circuit breaker and rollback on failures options.

D.

Use the rolling deployment type. Enable deployment circuit breaker and rollback on failures options.

Question 3

An 1AM role is attached to an Amazon EC2 instance that explicitly denies access to all Amazon S3 API actions. The EC2 instance credentials file specifies the 1AM access key and secret access key, which allow full administrative access.

Given that multiple modes of 1AM access are present for this EC2 instance, which of the following is correct?

Options:

A.

The EC2 instance will only be able to list the S3 buckets.

B.

The EC2 instance will only be able to list the contents of one S3 bucket at a time.

C.

The EC2 instance will be able to perform all actions on any S3 bucket.

D.

The EC2 instance will not be able to perform any S3 action on any S3 bucket.

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