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Amazon DVA-C02 (AWS Certified Developer - Associate) Exam is a certification exam designed for developers who are interested in validating their proficiency in developing and maintaining applications on the Amazon Web Services (AWS) platform. DVA-C02 exam tests the candidate's ability to design, develop, deploy, and maintain scalable, fault-tolerant, and highly available applications on AWS using various programming languages and AWS services such as AWS Lambda, Amazon S3, Amazon EC2, and Amazon DynamoDB.

Amazon DVA-C02 Exam is an essential certification for developers who want to advance their careers in the cloud computing industry. AWS Certified Developer - Associate certification demonstrates a candidate's knowledge and expertise in AWS services, programming languages, and application development best practices, and can help them stand out in a competitive job market. If you are a developer with experience in AWS services, consider taking the Amazon DVA-C02 exam to take your career to the next level.

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DVA-C02 Quiz - Training DVA-C02 Solutions

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To take the DVA-C02 Exam, candidates must have at least one year of experience in developing AWS-based applications and a solid understanding of AWS services and architecture. They must also have experience with at least one programming language commonly used in AWS development and be familiar with AWS developer tools.

Amazon AWS Certified Developer - Associate Sample Questions (Q25-Q30):

NEW QUESTION # 25
A developer warns to add request validation to a production environment Amazon API Gateway API. The developer needs to test the changes before the API is deployed to the production environment. For the lest the developer will send test requests to the API through a testing tool.
Which solution will meet these requirements with the LEAST operational overhead?

A. Clone the exiting API Modify the new API lo add request validation. Perform the tests Modify the existing API to add request validation Deploy the existing API to production.
B. Export the existing API to an OpenAPI file. Create a new API Import the OpenAPI file Modify the new API to add request validation. Perform the tests Modify the existing API to add request validation.
Deploy the existing API to production.
C. Modify the existing API to add request validation. Deploy the updated API to a new API Gateway stage Perform the tests Deploy the updated API to the API Gateway production stage.
D. Create a new API Add the necessary resources and methods including new request validation. Perform the tests Modify the existing API to add request validation. Deploy the existing API to production.

Answer: A

Explanation:
This solution allows the developer to test the changes without affecting the production environment. Cloning an API creates a copy of the API definition that can be modified independently. The developer can then add request validation to the new API and test it using a testing tool. After verifying that the changes work as expected, the developer can apply the same changes to the existing API and deploy it to production.

NEW QUESTION # 26
A developer warns to add request validation to a production environment Amazon API Gateway API. The developer needs to test the changes before the API is deployed to the production environment. For the lest the developer will send test requests to the API through a testing tool.
Which solution will meet these requirements with the LEAST operational overhead?

A. Clone the exiting API Modify the new API lo add request validation. Perform the tests Modify the existing API to add request validation Deploy the existing API to production.
B. Export the existing API to an OpenAPI file. Create a new API Import the OpenAPI file Modify the new API to add request validation. Perform the tests Modify the existing API to add request validation.
Deploy the existing API to production.
C. Modify the existing API to add request validation. Deploy the updated API to a new API Gateway stage Perform the tests Deploy the updated API to the API Gateway production stage.
D. Create a new API Add the necessary resources and methods including new request validation. Perform the tests Modify the existing API to add request validation. Deploy the existing API to production.

Answer: A

Explanation:
Explanation
This solution allows the developer to test the changes without affecting the production environment. Cloning an API creates a copy of the API definition that can be modified independently. The developer can then add request validation to the new API and test it using a testing tool. After verifying that the changes work as expected, the developer can apply the same changes to the existing API and deploy it to production.

NEW QUESTION # 27
A developer is building a containerized application on AWS. The application communicates with a third-party service by using API keys. The developer needs a secure way to store the API keys and pass the API keys to the containerized application.
Which solutions will meet these requirements? (Choose two.)

A. Add a new AWS CloudFormation parameter to the CloudFormation template. Pass the API keys to the application by using the container definition environment variables.
B. Embed the API keys in the application. Build the container image on-premises. Upload the container image to Amazon Elastic Container Registry (Amazon ECR).
C. Store the API keys as a SecretString parameter in AWS Secrets Manager. Grant the application access to retrieve the value from Secrets Manager.
D. Store the API keys in AWS CloudFormation templates by using base64 encoding. Pass the API keys to the application through container definition environment variables.
E. Store the API keys as a SecureString parameter in AWS Systems Manager Parameter Store.
Grant the application access to retrieve the value from Parameter Store.

Answer: C,E

NEW QUESTION # 28
A company receives food orders from multiple partners. The company has a microservices application that uses Amazon API Gateway APIs with AWS Lambda integration. Each partner sends orders by calling a customized API that is exposed through API Gateway. The API call invokes a shared Lambda function to process the orders.
Partners need to be notified after the Lambda function processes the orders. Each partner must receive updates for only the partner's own orders. The company wants to add new partners in the future with the fewest code changes possible.
Which solution will meet these requirements in the MOST scalable way?

A. Create a different Amazon Simple Notification Service (Amazon SNS) topic for each partner.
Configure the Lambda function to publish messages for each partner to the partner's SNS topic.
B. Create an Amazon Simple Notification Service (Amazon SNS) topic. Configure the Lambda function to publish messages with specific attributes to the SNS topic. Subscribe each partner to the SNS topic. Apply the appropriate filter policy to the topic subscriptions.
C. Create a different Lambda function for each partner. Configure the Lambda function to notify each partner's service endpoint directly.
D. Create one Amazon Simple Notification Service (Amazon SNS) topic. Subscribe all partners to the SNS topic.

Answer: B

Explanation:
https://docs.aws.amazon.com/sns/latest/dg/sns-message-filtering.html

NEW QUESTION # 29
A developer is creating a database of products. Queries for frequently accessed products must have retrieval times of microseconds. To ensure data consistency, the application cache must be updated whenever products are added, changed, or deleted.
Which solution will meet these requirements?

A. Set up an Amazon DynamoDB database and a DynamoDB Accelerator (DAX) cluster.
B. Set up an Amazon RDS database and an Amazon ElastiCache for Redis cluster. Implement a lazy loading caching strategy with ElastiCache.
C. Set up an Amazon RDS database and an Amazon DynamoDB Accelerator (DAX) cluster. Specify a TTL setting for the DAX cluster.
D. Setup an Amazon DynamoDB database that has an in-memory cache. Implement a lazy loading caching strategy in the application.

Answer: A

NEW QUESTION # 30
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