Quiz 2026 Trustable DVA-C02: AWS Certified Developer - Associate Valid Study Questions

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Amazon DVA-C02 Exam Overview:

Certification Vendor:	Amazon Web Services (AWS)
Exam Name:	AWS Certified Developer - Associate
Exam Number:	DVA-C02
Exam Duration:	130 minutes
Certificate Validity Period:	3 years
Real Exam Qty:	65 (50 scored, 15 unscored)
Related Certifications:	AWS Certified DevOps Engineer - Professional AWS Certified Cloud Practitioner
Passing Score:	720 (scaled score of 100–1,000)
Available Languages:	Portuguese (Brazil), Spanish (Latin America), Korean, Japanese, Simplified Chinese, English
Exam Price:	150 USD
Exam Format:	Multiple choice, Multiple response
Sample Questions:	Amazon DVA-C02 Sample Questions
Exam Way:	Pearson VUE testing center or online proctored exam
Pre Condition:	Recommended 1 or more years of hands-on experience in developing and maintaining applications using AWS services. Proficiency in at least one high-level programming language.
Official Syllabus URL:	https://aws.amazon.com/certification/certified-developer-associate/

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To earn the AWS Certified Developer - Associate certification, candidates must pass the DVA-C02 exam. DVA-C02 exam consists of multiple-choice and multiple-response questions that cover various topics, such as AWS core services, AWS databases, AWS security, AWS deployment, and AWS troubleshooting. DVA-C02 exam duration is 130 minutes, and the passing score is 720 out of 1000.

Amazon DVA-C02 is an exam that tests the skills and knowledge of candidates who wish to become an AWS Certified Developer - Associate. AWS Certified Developer - Associate certification is ideal for developers who have experience with AWS services and want to demonstrate their expertise in designing, developing, and deploying cloud-based applications using AWS technologies.

Amazon AWS Certified Developer - Associate Sample Questions (Q850-Q855):

NEW QUESTION # 850
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?

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

Answer: A

Explanation:
Explanation
Amazon CloudWatch is a service that monitors AWS resources and applications. The developer can publish custom metrics to CloudWatch that record the failures of the external payment processing API calls. The developer can configure a CloudWatch alarm to notify the existing SNS topic when the error rate exceeds 5% of the total number of transactions in an hour. This solution will meet the requirements in a near real-time and scalable way.
References:
[What Is Amazon CloudWatch? - Amazon CloudWatch]
[Publishing Custom Metrics - Amazon CloudWatch]
[Creating Amazon CloudWatch Alarms - Amazon CloudWatch]

NEW QUESTION # 851
A company has an application that is hosted on Amazon EC2 instances The application stores objects in an Amazon S3 bucket and allows users to download objects from the S3 bucket A developer turns on S3 Block Public Access for the S3 bucket After this change, users report errors when they attempt to download objects The developer needs to implement a solution so that only users who are signed in to the application can access objects in the S3 bucket.
Which combination of steps will meet these requirements in the MOST secure way? (Select TWO.)

A. Create an 1AM user with an appropriate policy. Store the access key ID and secret access key on the EC2 instances
B. Create an EC2 instance profile and role with an appropriate policy Associate the role with the EC2 instances
C. Modify the application to use the S3 GeneratePresignedUrl API call
D. Modify the application to use the S3 GetObject API call and to return the object handle to the user
E. Modify the application to delegate requests to the S3 bucket.

Answer: B,C

Explanation:
* IAM Roles for EC2 (A): The most secure way to provide AWS permissions from EC2.
* Create a role with a policy allowing s3:GetObject on the specific bucket.
* Attach the role to an instance profile and associate that profile with your instances.
* Pre-signed URLs (C): Temporary, authenticated URLs for specific S3 actions.
* Modify the app to use the AWS SDK to call GeneratePresignedUrl.
* Embed these URLs when a user is properly logged in, allowing download access.

NEW QUESTION # 852
A development team is using AWS CodeBuild to implement a continuous integration and continuous delivery (CI/CD) pipeline for a project. The team's project contains hundreds of unit and integration tests. The total build time is increasing as the number of tests grows. The team wants to reduce the overall testing duration and get faster feedback. The team needs a solution that does not require the team to manage additional build infrastructure. Which solution will meet these requirements with the LEAST operational overhead?

A. Configure CodeBuild to split tests across multiple parallel compute environments.
B. Configure multiple CodeBuild projects. Manually assign subsets of the tests to each project.
C. Configure a custom test runner on Amazon EC2 instances to distribute tests across multiple machines.
D. Configure a single CodeBuild project. Run all the tests sequentially in one compute environment.

Answer: A

Explanation:
CodeBuild supports parallel test execution by splitting tests across multiple compute environments. This reduces total testing time and provides faster feedback without requiring the team to provision or manage separate build infrastructure.

NEW QUESTION # 853
A developer is creating a web application. The developer needs to store, retrieve, and rotate database credentials, OAuth tokens, and API keys.
The credentials, OAuth tokens, and API keys must be stored securely as secrets and must not be hardcoded in the application source code. The secrets must be automatically rotated every 6 months.
What should the developer do to meet these requirements?

A. Create and store the secrets in Amazon EventBridge. Configure a RotateKey event in EventBridge to rotate the secrets every 6 months.
B. Create and store the secrets in AWS Secrets Manager. Choose the appropriate secret type. Tum on automatic rotation. Set the rotation schedule to every 6 months.
C. Create and store the secrets in AWS KMS. Configure AWS KMS to automatically rotate the secrets every 6 months.
D. Create and store the secrets in AWS Certificate Manager (ACM). Choose the appropriate certificate type. Set up the rotation period of the certificate to be every 6 months.

Answer: B

Explanation:
AWS Secrets Manager is designed to securely store sensitive information such as database credentials, OAuth tokens, and API keys. It integrates with applications to retrieve secrets at runtime and supports automatic secret rotation using built-in or custom rotation mechanisms.
Setting a 6-month rotation schedule directly satisfies the requirement for periodic, automated rotation without hardcoding secrets in the application.

NEW QUESTION # 854
A company has a large amount of data in an Amazon DynamoDB table. A large batch of data is appended to the table once each day. The company wants a solution that will make all the existing and future data in DynamoDB available for analytics on a long-term basis.
Which solution meets these requirements with the LEAST operational overhead?

A. Configure DynamoDB incremental exports to Amazon S3.
B. Configure Amazon DynamoDB Streams to write records to Amazon S3.
C. Configure Amazon EMR to copy DynamoDB data to Hadoop Distributed File System (HDFS).
D. Configure Amazon EMR to copy DynamoDB data to Amazon S3.

Answer: A

Explanation:
Comprehensive Detailed Explanation with all AWS References
* Why Option A is Correct:DynamoDB supports incremental exports to Amazon S3 natively, making data analytics-ready with minimal operational overhead.
* Why Other Options are Incorrect:
* Option B: DynamoDB Streams require additional processing logic to write to S3, increasing complexity.
* Option C & D: Using EMR for data movement adds unnecessary operational overhead compared to native exports.
* AWS Documentation References:
* DynamoDB Exports to S3

NEW QUESTION # 855
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