AWS Certified Developer - Associate DVA-C02 exam material & Free AWS Certified Developer

QUESTION: 66

A company has a critical application on AWS. The application exposes an HTTP API by using Amazon API Gateway. The API is integrated with an AWS Lambda function. The application stores data in an Amazon RDS for MySQL DB instance with 2 virtual CPUs (vCPUs) and 64 GB of RAM.
Customers have reported that some of the API calls return HTTP 500 Internal Server Error responses. Amazon CloudWatch Logs shows errors for “too many connections.” The errors occur during peak usage times that are unpredictable.
The company needs to make the application resilient. The database cannot be down outside of scheduled maintenance hours.
Which solution will meet these requirements?

Decrease the number of vCPUs for the DB instance. Increase the max_connections setting.
Use Amazon RDS Proxy to create a proxy that connects to the DB instance. Update the Lambda function to connect to the proxy.
Add a CloudWatch alarm that changes the DB instance class when the number of connections increases to more than 1,000.
Add an Amazon EventBridge rule that increases the max_connections setting of the DB instance when CPU utilization is above 75%.

Answer(s): B

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QUESTION: 67

A company has installed smart meters in all its customer locations. The smart meters measure power usage at 1-minute intervals and send the usage readings to a remote endpoint for collection. The company needs to create an endpoint that will receive the smart meter readings and store the readings in a database. The company wants to store the location ID and timestamp information.
The company wants to give its customers low-latency access to their current usage and historical usage on demand. The company expects demand to increase significantly. The solution must not impact performance or include downtime while scaling.
Which solution will meet these requirements MOST cost-effectively?

Store the smart meter readings in an Amazon RDS database. Create an index on the location ID and timestamp columns. Use the columns to filter on the customers' data.
Store the smart meter readings in an Amazon DynamoDB table. Create a composite key by using the location ID and timestamp columns. Use the columns to filter on the customers' data.
Store the smart meter readings in Amazon ElastiCache for Redis. Create a SortedSet key by using the location ID and timestamp columns. Use the columns to filter on the customers' data.
Store the smart meter readings in Amazon S3. Partition the data by using the location ID and timestamp columns. Use Amazon Athena to filter on the customers' data.

Answer(s): B

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QUESTION: 68

A company is building a serverless application that uses AWS Lambda functions. The company needs to create a set of test events to test Lambda functions in a development environment. The test events will be created once and then will be used by all the developers in an IAM developer group. The test events must be editable by any of the IAM users in the IAM developer group.
Which solution will meet these requirements?

Create and store the test events in Amazon S3 as JSON objects. Allow S3 bucket access to all IAM users.
Create the test events. Configure the event sharing settings to make the test events shareable.
Create and store the test events in Amazon DynamoDB. Allow access to DynamoDB by using IAM roles.
Create the test events. Configure the event sharing settings to make the test events private.

Answer(s): B

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QUESTION: 69

A developer is configuring an application's deployment environment in AWS CodePipeline. 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 developer has already set the pipeline's source provider to GitHub and has specified the repository and branch to use in the deployment.
Which combination of steps should the developer take next to meet these requirements with the LEAST overhead? (Choose two.)

Create an AWS CodeCommit project. Add the repository package's build and test commands to the project's buildspec.
Create an AWS CodeBuild project. Add the repository package's build and test commands to the project's buildspec.
Create an AWS CodeDeploy project. Add the repository package's build and test commands to the project's buildspec.
Add an action to the source stage. Specify the newly created project as the action provider. Specify the build artifact as the action's input artifact.
Add a new stage to the pipeline after the source stage. Add an action to the new stage. Specify the newly created project as the action provider. Specify the source artifact as the action's input artifact.

Answer(s): B,E

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QUESTION: 70

An engineer created an A/B test of a new feature on an Amazon CloudWatch Evidently project. The engineer configured two variations of the feature (Variation A and Variation B) for the test. The engineer wants to work exclusively with Variation A. The engineer needs to make updates so that Variation A is the only variation that appears when the engineer hits the application's endpoint.
Which solution will meet this requirement?

Add an override to the feature. Set the identifier of the override to the engineer's user ID. Set the variation to Variation
Add an override to the feature. Set the identifier of the override to Variation A. Set the variation to 100%.
Add an experiment to the project. Set the identifier of the experiment to Variation B. Set the variation to 0%.
Add an experiment to the project. Set the identifier of the experiment to the AWS account's account ISet the variation to Variation A.

Answer(s): A

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Amazon AWS Certified Developer - Associate DVA-C02: Skills Tested, Job Roles, and Study Tips

The AWS Certified Developer - Associate DVA-C02 certification is designed for individuals who perform a developer role and have one or more years of hands-on experience developing and maintaining applications on the Amazon Web Services platform. This certification validates a candidate's ability to demonstrate an in-depth understanding of core AWS services, uses, and basic AWS architecture best practices. Employers across various industries, from startups to large enterprises, seek professionals with this credential because it confirms the holder can write, deploy, and debug cloud-based applications using AWS. By achieving this certification, developers prove they possess the technical proficiency required to build secure and scalable cloud applications, which is a critical function in modern software engineering teams.

What the AWS Certified Developer - Associate DVA-C02 Exam Covers

The exam evaluates a candidate's proficiency across several critical domains, including development with AWS services, security, deployment, and troubleshooting and optimization. In practical terms, this means a developer must understand how to write code that interacts with AWS services like Amazon DynamoDB, Amazon SQS, and Amazon SNS, while also implementing appropriate security measures such as IAM policies and encryption. Deployment is a major focus, requiring knowledge of CI/CD pipelines, AWS Elastic Beanstalk, and AWS CloudFormation to automate the release of software. Troubleshooting and optimization require the ability to identify performance bottlenecks and resolve issues using tools like Amazon CloudWatch and AWS X-Ray. Our practice questions are structured to mirror these real-world scenarios, ensuring that candidates are tested on their ability to apply these concepts rather than just recalling definitions.

Among these domains, the development with AWS services and troubleshooting areas are often considered the most technically demanding by candidates. These sections require a deep understanding of how different services interact within an application architecture, often presenting complex scenarios where multiple services must be configured correctly to achieve a specific outcome. Candidates must demonstrate not only knowledge of individual service features but also the ability to diagnose why an application might be failing or underperforming in a cloud environment. This level of technical depth necessitates consistent practice, as the exam frequently tests the nuances of service limits, API calls, and integration patterns that are only mastered through hands-on experience.

Are These Real AWS Certified Developer - Associate DVA-C02 Exam Questions?

The practice questions available on our platform are sourced and verified by the community, consisting of IT professionals and recent test-takers who have sat for the actual Amazon certification exam. Because our content is community-verified, our questions reflect what appears on the real exam, providing a reliable way to gauge your readiness. If you've been searching for AWS Certified Developer - Associate DVA-C02 exam dumps or braindump files, our community-verified practice questions offer something more valuable, each question is verified and explained by IT professionals who recently passed the exam. We do not provide leaked or confidential material; instead, we focus on providing high-quality, representative questions that help you understand the logic and patterns used by Amazon in their certification exams.

Community verification works through a collaborative process where users actively discuss answer choices, flag potentially incorrect information, and share context from their recent exam experiences. When a user encounters a challenging question, they can review the community discussion to see how others interpreted the scenario and why specific distractors were incorrect. This peer-review mechanism ensures that the explanations remain accurate and up-to-date with the latest exam changes. By engaging with this feedback loop, you gain insights into the reasoning behind the correct answers, which is far more effective for long-term retention than simply memorizing static content.

How to Prepare for the AWS Certified Developer - Associate DVA-C02 Exam

Effective exam preparation requires a combination of hands-on practice in a real or sandbox AWS environment and a thorough review of official Amazon documentation. You should prioritize building small applications or deploying infrastructure using the AWS CLI and SDKs to see how services function in practice. Understanding the core concepts is far more important than rote memorization, as the exam is heavily scenario-based and tests your ability to make architectural decisions under pressure. Every practice question includes a free AI Tutor explanation that breaks down the reasoning behind the correct answer, so you understand the concept, not just the answer. Creating a consistent study schedule that allocates time for both theory and practical labs will significantly improve your chances of passing the certification exam.

A common mistake candidates make is relying solely on passive reading or watching videos without actively testing their knowledge through practice questions. This approach often leaves gaps in understanding, particularly when it comes to complex scenario-based questions that require you to synthesize information from multiple AWS services. To avoid this, treat your exam prep as an active process where you constantly challenge your assumptions and verify your knowledge against realistic scenarios. Additionally, many candidates struggle with time management during the actual exam; practicing with timed sets of questions can help you develop the pace needed to complete the exam within the allotted time without sacrificing accuracy.

What to Expect on Exam Day

On the day of your AWS Certified Developer - Associate DVA-C02 exam, you should expect a format that primarily consists of multiple-choice and multiple-response questions. These questions are designed to test your ability to apply knowledge to specific, often complex, technical scenarios rather than just testing your memory of service definitions. The exam is administered in a secure environment, either at a physical testing center or through an online proctoring service, and you will be monitored throughout the duration of the test. Amazon certification exams are rigorous, and you should be prepared for a challenging experience that requires focus and careful reading of each question's requirements. Ensure you are familiar with the testing interface and the rules regarding breaks and prohibited items before you begin.

Who Should Use These AWS Certified Developer - Associate DVA-C02 Practice Questions

These practice questions are intended for developers who have at least one year of hands-on experience with AWS and are looking to validate their skills through the official certification exam. This target audience includes software engineers, cloud developers, and systems administrators who are responsible for building and maintaining cloud-native applications. By using our platform for your exam preparation, you are positioning yourself to demonstrate your expertise to current and future employers, which can be a significant factor in career advancement. Whether you are looking to formalize your existing knowledge or pivot into a more cloud-focused role, this certification exam serves as a recognized benchmark of your technical capabilities.

To get the most out of these practice questions, do not simply read the correct answer and move on; instead, engage deeply with the AI Tutor explanation to understand the underlying logic. Read the community discussions to see how other professionals approach the same problem, and make sure to flag any questions you answer incorrectly so you can revisit them later. This iterative process of identifying weaknesses and reinforcing your knowledge is the most efficient way to build real exam confidence. Browse the questions above and use the community discussions and AI Tutor to build real exam confidence.

Amazon AWS Certified Developer - Associate DVA-C02 Exam Prep AWS Certified Developer - Associate DVA-C02 (Page 15 )

QUESTION: 66

QUESTION: 67

QUESTION: 68

QUESTION: 69

QUESTION: 70

Amazon AWS Certified Developer - Associate DVA-C02: Skills Tested, Job Roles, and Study Tips

What the AWS Certified Developer - Associate DVA-C02 Exam Covers

Are These Real AWS Certified Developer - Associate DVA-C02 Exam Questions?

How to Prepare for the AWS Certified Developer - Associate DVA-C02 Exam

What to Expect on Exam Day

Who Should Use These AWS Certified Developer - Associate DVA-C02 Practice Questions

Amazon AWS Certified Developer - Associate DVA-C02 Exam Prep
AWS Certified Developer - Associate DVA-C02 (Page 15 )