DVA-C01 exam material & Free DVA-C01 AI Tutor

QUESTION: 26

A developer is creating an application that will be deployed on IoT devices. The application will send data to a RESTful API that is deployed as an AWS Lambda function. The application will assign each API request a unique identifier. The volume of API requests from the application can randomly increase at any given time of day.
During periods of request throttling, the application might need to retry requests. The API must be able to handle duplicate requests without inconsistencies or data loss.
Which solution will meet these requirements?

Create an Amazon RDS for MySQL DB instance. Store the unique identifier for each request in a database table. Modify the Lambda function to check the table for the identifier before processing the request.
Create an Amazon DynamoDB table. Store the unique identifier for each request in the table. Modify the Lambda function to check the table for the identifier before processing the request.
Create an Amazon DynamoDB table. Store the unique identifier for each request in the table. Modify the Lambda function to return a client error response when the function receives a duplicate request.
Create an Amazon ElastiCache for Memcached instance. Store the unique identifier for each request in the cache. Modify the Lambda function to check the cache for the identifier before processing the request.

Answer(s): B

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QUESTION: 27

A developer wants to expand an application to run in multiple AWS Regions. The developer wants to copy Amazon Machine Images (AMIs) with the latest changes and create a new application stack in the destination Region. According to company requirements, all AMIs must be encrypted in all Regions. However, not all the AMIs that the company uses are encrypted.
How can the developer expand the application to run in the destination Region while meeting the encryption requirement?

Create new AMIs, and specify encryption parameters. Copy the encrypted AMIs to the destination Region. Delete the unencrypted AMIs.
Use AWS Key Management Service (AWS KMS) to enable encryption on the unencrypted AMIs. Copy the encrypted AMIs to the destination Region.
Use AWS Certificate Manager (ACM) to enable encryption on the unencrypted AMIs. Copy the encrypted AMIs to the destination Region.
Copy the unencrypted AMIs to the destination Region. Enable encryption by default in the destination Region.

Answer(s): A

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QUESTION: 28

A company hosts a client-side web application for one of its subsidiaries on Amazon S3. The web application can be accessed through Amazon CloudFront from https://www.example.com. After a successful rollout, the company wants to host three more client-side web applications for its remaining subsidiaries on three separate S3 buckets.
To achieve this goal, a developer moves all the common JavaScript files and web fonts to a central S3 bucket that serves the web applications. However, during testing, the developer notices that the browser blocks the JavaScript files and web fonts.
What should the developer do to prevent the browser from blocking the JavaScript files and web fonts?

Create four access points that allow access to the central S3 bucket. Assign an access point to each web application bucket.
Create a bucket policy that allows access to the central S3 bucket. Attach the bucket policy to the central S3 bucket
Create a cross-origin resource sharing (CORS) configuration that allows access to the central S3 bucket. Add the CORS configuration to the central S3 bucket.
Create a Content-MD5 header that provides a message integrity check for the central S3 bucket. Insert the Content-MD5 header for each web application request.

Answer(s): C

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QUESTION: 29

An application is processing clickstream data using Amazon Kinesis. The clickstream data feed into Kinesis experiences periodic spikes. The PutRecords API call occasionally fails and the logs show that the failed call returns the response shown below:
Which techniques will help mitigate this exception? (Choose two.)

Implement retries with exponential backoff.
Use a PutRecord API instead of PutRecords.
Reduce the frequency and/or size of the requests.
Use Amazon SNS instead of Kinesis.
Reduce the number of KCL consumers.

Answer(s): A,C

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QUESTION: 30

A company has an application that uses Amazon Cognito user pools as an identity provider. The company must secure access to user records. The company has set up multi-factor authentication (MFA). The company also wants to send a login activity notification by email every time a user logs in.
What is the MOST operationally efficient solution that meets this requirement?

Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Add an Amazon API Gateway API to invoke the function. Call the API from the client side when login confirmation is received.
Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Add an Amazon Cognito post authentication Lambda trigger for the function.
Create an AWS Lambda function that uses Amazon Simple Email Service (Amazon SES) to send the email notification. Create an Amazon CloudWatch Logs log subscription filter to invoke the function based on the login status.
Configure Amazon Cognito to stream all logs to Amazon Kinesis Data Firehose. Create an AWS Lambda function to process the streamed logs and to send the email notification based on the login status of each user.

Answer(s): B

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json { "Effect": "Deny", "NotAction": [ "iam:*", "route53:*", "cloudfront:*", "support:*" ], "Resource": "*", "Condition": { "StringNotEquals": { "aws:RequestedRegion": "eu-west-1" } } }

Amazon DVA-C01: Skills Tested, Job Roles, and Study Tips

The AWS Certified Developer - Associate DVA-C01 certification validates the technical expertise of professionals who design, develop, and maintain cloud-based applications on the Amazon Web Services platform. This certification is primarily intended for individuals in software developer or cloud engineer roles who possess at least one year of hands-on experience developing and maintaining applications on AWS. Employers across the technology sector value this credential because it demonstrates a candidate's ability to write code that optimizes the performance of AWS services and effectively integrates them into a cohesive architecture. By achieving this Amazon certification, professionals prove they can utilize software development kits and command-line interfaces to interact with cloud resources securely and efficiently. Organizations often require this validation to ensure their development teams can navigate the complexities of cloud-native application lifecycles without compromising system integrity.

What the DVA-C01 Exam Covers

The exam content focuses on four primary domains that reflect the daily responsibilities of a cloud developer. Candidates must demonstrate proficiency in Development with AWS Services, which involves writing code that interacts with services like Amazon DynamoDB, Amazon S3, and AWS Lambda. The Security domain tests your ability to implement identity and access management policies, encryption, and secure application configurations. Deployment strategies are equally critical, requiring knowledge of CI/CD pipelines, AWS Elastic Beanstalk, and AWS CloudFormation to automate the release process. Finally, Troubleshooting and Optimization requires candidates to analyze application performance, identify bottlenecks, and resolve issues using monitoring tools like Amazon CloudWatch. Our practice questions are designed to mirror these specific domains, ensuring that your study time is aligned with the actual requirements of the certification exam.

The Troubleshooting and Optimization domain is often cited as the most technically demanding section because it requires a deep understanding of how various services interact under load. Candidates must move beyond basic service knowledge to diagnose complex latency issues, memory leaks, or configuration errors that impact application availability. This section tests your ability to interpret logs, metrics, and traces to pinpoint the root cause of performance degradation in a distributed system. Success in this area requires a strong grasp of how to optimize code for cost and efficiency, which is a core competency for any developer working in a production cloud environment.

Are These Real DVA-C01 Exam Questions?

Our platform provides access to practice questions that are sourced and verified by the community, including IT professionals and recent test-takers who have successfully passed the actual exam. These questions reflect what appears on the real exam because they are sourced from the community, ensuring that the content remains relevant to the current exam objectives. If you have been searching for DVA-C01 exam dumps or braindump files, our community-verified practice questions offer something more valuable, as each question is verified and explained by IT professionals who recently passed the exam. We do not provide unauthorized or leaked content, as our focus is on helping candidates understand the underlying concepts rather than memorizing static answers. This community-verified approach ensures that you are engaging with high-quality material that accurately represents the difficulty and style of the official Amazon certification.

Community verification works through a collaborative process where users actively participate in the review of each question. When a user encounters a question, they can discuss the answer choices, flag potentially incorrect information, and share context from their own recent exam experience. This peer-review mechanism allows the community to refine explanations and ensure that the logic behind each answer is sound and technically accurate. By relying on this collective knowledge, you gain access to a reliable study resource that evolves alongside the exam itself.

How to Prepare for the DVA-C01 Exam

Effective exam preparation requires a combination of theoretical study and practical, hands-on experience in a sandbox or development environment. You should prioritize building applications using the AWS SDKs and CLI to gain a functional understanding of how services communicate, rather than relying solely on reading documentation. Creating a consistent study schedule that covers each of the four exam domains will help you manage the breadth of material required for this certification. 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. This AI Tutor serves as an immediate feedback loop, allowing you to clarify complex topics and reinforce your learning as you progress through your exam prep.

A common mistake candidates make is attempting to memorize answers instead of understanding the underlying architectural principles. The DVA-C01 exam is heavily scenario-based, meaning you will be presented with specific business requirements and asked to choose the most efficient or secure solution. Rote memorization will not help you when you are faced with a complex, multi-part scenario that requires you to apply your knowledge to a unique situation. To avoid this, focus on understanding why a specific service is the right choice in one scenario but the wrong choice in another, and practice managing your time carefully so you do not rush through the more difficult, multi-step questions.

What to Expect on Exam Day

On the day of your certification exam, you should be prepared for a rigorous assessment that typically includes a mix of multiple-choice and multiple-response questions. The exam is administered in a secure environment, often through a proctored testing center or via an online proctoring service, to ensure the integrity of the process. You will have a set amount of time to complete the assessment, and you must manage your pace to ensure you have enough time to review your answers for the more complex, scenario-based questions. While the exact number of questions and the passing score can vary, the exam is designed to test your ability to apply AWS knowledge to real-world development tasks. Familiarizing yourself with the testing interface and the types of questions you will face is a crucial part of your overall exam preparation.

Who Should Use These DVA-C01 Practice Questions

These practice questions are designed for software developers, cloud engineers, and IT professionals who are looking to validate their skills with the AWS platform. Whether you are a junior developer looking to break into cloud architecture or an experienced engineer seeking to formalize your expertise, this certification exam is a significant milestone in your career. Passing this exam demonstrates to employers that you have the technical capability to build, deploy, and maintain secure applications on AWS. Engaging with our practice questions as part of your exam preparation will help you identify knowledge gaps and build the confidence needed to succeed on test day.

To get the most out of these resources, do not simply read the correct answer and move on to the next question. Instead, engage with the AI Tutor explanation to understand the logic, read the community discussions to see how others approached the problem, and flag any questions you answered incorrectly for later review. By treating each question as a learning opportunity, you will deepen your understanding of AWS services and improve your problem-solving skills. Browse the questions above and use the community discussions and AI Tutor to build real exam confidence.

Amazon DVA-C01 Exam Prep AWS Certified Developer - Associate DVA-C02 (Page 7 )

QUESTION: 26

QUESTION: 27

QUESTION: 28

QUESTION: 29

QUESTION: 30

Amazon DVA-C01: Skills Tested, Job Roles, and Study Tips

What the DVA-C01 Exam Covers

Are These Real DVA-C01 Exam Questions?

How to Prepare for the DVA-C01 Exam

What to Expect on Exam Day

Who Should Use These DVA-C01 Practice Questions

Amazon DVA-C01 Exam Prep
AWS Certified Developer - Associate DVA-C02 (Page 7 )