DVA-C02 ACTUAL TEST GUIDE BOOSTS MOST EFFICIENT EXAM QUESTIONS FOR YOUR AWS CERTIFIED DEVELOPER - ASSOCIATE EXAM

DVA-C02 Actual Test Guide Boosts Most efficient Exam Questions for Your AWS Certified Developer - Associate Exam

DVA-C02 Actual Test Guide Boosts Most efficient Exam Questions for Your AWS Certified Developer - Associate Exam

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The AWS Certified Developer - Associate certification exam covers a wide range of topics, including AWS core services, security, databases, and deployment and management. Candidates are required to have a strong understanding of programming languages such as Python, Java, and Ruby, as well as experience with AWS services such as EC2, S3, and Lambda.

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Amazon AWS Certified Developer - Associate Sample Questions (Q141-Q146):

NEW QUESTION # 141
A developer is building a serverless application by using the AWS Serverless Application Model (AWS SAM). The developer is currently testing the application in a development environment.
When the application is nearly finished, the developer will need to set up additional testing and staging environments for a quality assurance team.
The developer wants to use a feature of the AWS SAM to set up deployments to multiple environments.
Which solution will meet these requirements with the LEAST development effort?

  • A. Use the existing AWS SAM template. Add additional parameters to configure specific attributes for the serverless function and database table resources that are in each environment. Deploy updates to the testing and staging environments by using the sam deploy command.
  • B. Add a configuration file in TOML format to group configuration entries to every environment. Add a table for each testing and staging environment. Deploy updates to the environments by using the sam deploy command and the --config-env flag that corresponds to each environment.
  • C. Create additional AWS SAM templates for each testing and staging environment. Write a custom shell script that uses the sam deploy command and the --template-file flag to deploy updates to the environments.
  • D. Create one AWS SAM configuration file that has default parameters. Perform updates to the testing and staging environments by using the --parameter-overrides flag in the AWS SAM CLI and the parameters that the updates will override.

Answer: B


NEW QUESTION # 142
A developer is migrating a containerized application from an on-premises environment to the AWS Cloud. The developer is using the AWS CDK to provision a container in Amazon ECS on AWS Fargate. The container is behind an Application Load Balancer (ALB).
When the developer deploys the stack, the deployment fails because the ALB fails health checks. The developer needs to resolve the failed health checks.
Which solutions will meet this requirement? (Select TWO.)

  • A. Confirm that a hosted zone associated with the ALB matches a hosted zone that is referenced in the ECS task definition.
  • B. Confirm that the target group port matches the port mappings in the ECS task definition.
  • C. Confirm that the ALB listener on the mapped port has a default action that redirects to the application's health check path endpoint.
  • D. Confirm that the capacity providers for the container have been provisioned and are properly sized.
  • E. Confirm that the ALB listener on the mapped port has a default action that forwards to the correct target group.

Answer: B,E

Explanation:
* Option B:Thetarget group portin the ALB must match the port specified in the ECS task definition. If there is a mismatch, the ALB health check will fail since it cannot correctly route traffic to the container.
* Option E:The ALB listener must have a default action that forwards requests to the correct target group associated with the ECS service. If this configuration is missing, the health check will fail as no traffic is routed to the service.
* Option Ais irrelevant to resolving health check issues since capacity providers relate to provisioning compute capacity.
* Option C(hosted zone) is not directly related to ALB health checks.
* Option D(redirecting traffic) is not related to ECS health check configurations.


NEW QUESTION # 143
A developer wants to insert a record into an Amazon DynamoDB table as soon as a new file is added to an Amazon S3 bucket.
Which set of steps would be necessary to achieve this?

  • A. Create an AWS Lambda function that will poll the S3 bucket and then insert the records into DynamoDB.
  • B. Create a cron job that will run at a scheduled time and insert the records into DynamoDB.
  • C. Create an event with Amazon EventBridge that will monitor the S3 bucket and then insert the records into DynamoDB.
  • D. Configure an S3 event to invoke an AWS Lambda function that inserts records into DynamoDB.

Answer: D

Explanation:
Explanation
Amazon S3 is a service that provides highly scalable, durable, and secure object storage. Amazon DynamoDB is a fully managed NoSQL database service that provides fast and consistent performance with seamless scalability. AWS Lambda is a service that lets developers run code without provisioning or managing servers. The developer can configure an S3 event to invoke a Lambda function that inserts records into DynamoDB whenever a new file is added to the S3 bucket. This solution will meet the requirement of inserting a record into DynamoDB as soon as a new file is added to S3.
References:
[Amazon Simple Storage Service (S3)]
[Amazon DynamoDB]
[What Is AWS Lambda? - AWS Lambda]
[Using AWS Lambda with Amazon S3 - AWS Lambda]


NEW QUESTION # 144
A company is offering APIs as a service over the internet to provide unauthenticated read access to statistical information that is updated daily. The company uses Amazon API Gateway and AWS Lambda to develop the APIs. The service has become popular, and the company wants to enhance the responsiveness of the APIs.
Which action can help the company achieve this goal?

  • A. Configure usage plans and API keys in API Gateway.
  • B. Configure API Gateway to use an interface VPC endpoint.
  • C. Enable cross-origin resource sharing (CORS) for the APIs.
  • D. Enable API caching in API Gateway.

Answer: D

Explanation:
Amazon API Gateway is a service that enables developers to create, publish, maintain, monitor, and secure APIs at any scale. The developer can enable API caching in API Gateway to cache responses from the backend integration point for a specified time-to-live (TTL) period. This can improve the responsiveness of the APIs by reducing the number of calls made to the backend service.
References:
* [What Is Amazon API Gateway? - Amazon API Gateway]
* [Enable API Caching to Enhance Responsiveness - Amazon API Gateway]


NEW QUESTION # 145
A developer creates a static website for their department The developer deploys the static assets for the website to an Amazon S3 bucket and serves the assets with Amazon CloudFront The developer uses origin access control (OAC) on the CloudFront distribution to access the S3 bucket The developer notices users can access the root URL and specific pages but cannot access directories without specifying a file name. For example, /products/index.html works, but /products returns an error The developer needs to enable accessing directories without specifying a file name without exposing the S3 bucket publicly.
Which solution will meet these requirements'?

  • A. Update the Amazon S3 bucket settings and enable static website hosting. Specify index html as the Index document Update the S3 bucket policy to enable access. Update the CloudFront distribution's origin to use the S3 website endpoint
  • B. Update the CloudFront distribution's settings to index.html as the default root object is set
  • C. Create a custom error response on the CloudFront distribution with the HTTP error code set to the HTTP 404 Not Found response code and the response page path to /index html Set the HTTP response code to the HTTP 200 OK response code
  • D. Create a CloudFront function that examines the request URL and appends index.html when directories are being accessed Add the function as a viewer request CloudFront function to the CloudFront distribution's behavior.

Answer: B

Explanation:
Explanation
The simplest and most efficient way to enable accessing directories without specifying a file name is to update the CloudFront distribution's settings to index.html as the default root object. This will instruct CloudFront to return the index.html object when a user requests the root URL or a directory URL for the distribution. This solution does not require enabling static website hosting on the S3 bucket, creating a CloudFront function, or creating a custom error response. References
* Specifying a default root object
* cloudfront-default-root-object-configured
* How to setup CloudFront default root object?
* Ensure a default root object is configured for AWS Cloudfront ...


NEW QUESTION # 146
......

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