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[General] Pass Guaranteed 2026 DVA-C02: Pass-Sure 100% AWS Certified Developer - Associate

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【General】 Pass Guaranteed 2026 DVA-C02: Pass-Sure 100% AWS Certified Developer - Associate

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Amazon AWS Certified Developer - Associate Sample Questions (Q383-Q388):NEW QUESTION # 383
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. Configure an S3 event to invoke an AWS Lambda function that inserts records into DynamoDB.
  • C. Create a cron job that will run at a scheduled time and insert the records into DynamoDB.
  • D. Create an event with Amazon EventBridge that will monitor the S3 bucket and then insert the records into DynamoDB.
Answer: B
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 # 384
A developer is using AWS CodeDeploy to automate a company's application deployments to Amazon EC2.
Which application specification file properties are required to ensure the software deployments do not fail? (Choose two.)
  • A. The file must be a JSON-formatted file named appspec.json.
  • B. The file must be a YAML-formatted file named appspec.yml.
  • C. The file must be placed in the root of the directory structure of the application's source code.
  • D. The file must be stored in AWS CodeBuild and referenced from the application's source code.
  • E. The file must be stored in Amazon S3 and referenced from the application's source code.
Answer: B,C
Explanation:
To ensure successful software deployments using AWS CodeDeploy, the application specification file (appspec.yml or appspec.json) must adhere to specific requirements:
File Format Requirement (Option B):
The appspec.yml file is a YAML-formatted file required for defining deployment actions and file locations. This is the modern and recommended format for application specification files. It can also be a JSON-formatted file named appspec.json, but YAML is most commonly used and accepted.
File Placement Requirement (Option D):
The application specification file must reside in the root directory of the application's source code.
This is necessary so that AWS CodeDeploy can detect and use the file during deployment.

NEW QUESTION # 385
A developer is creating an application that will give users the ability to store photos from their cellphones in the cloud. The application needs to support tens of thousands of users. The application uses an Amazon API Gateway REST API that is integrated with AWS Lambda functions to process the photos. The application stores details about the photos in Amazon DynamoDB.
Users need to create an account to access the application. In the application, users must be able to upload photos and retrieve previously uploaded photos. The photos will range in size from 300 KB to 5 MB.
Which solution will meet these requirements with the LEAST operational overhead?
  • A. Create a users table in DynamoDB. Use the table to manage user accounts. Create a Lambda authorizer that validates user credentials against the users table. Integrate the Lambda authorizer with API Gateway to control access to the API. Use the Lambda function to store the photos in Amazon S3. Store the object's S3 key as par of the photo details in the DynamoDB table. Retrieve previously uploaded photos by querying DynamoDB for the S3 key.
  • B. Create an IAM user for each user of the application during the sign-up process. Use IAM authentication to access the API Gateway API. Use the Lambda function to store the photos in Amazon S3. Store the object's S3 key as part of the photo details in the DynamoDB table. Retrieve previously uploaded photos by querying DynamoDB for the S3 key.
  • C. Use Amazon Cognito user pools to manage user accounts. Create an Amazon Cognito user pool authorizer in API Gateway to control access to the API. Use the Lambda function to store the photos in Amazon S3. Store the object's S3 key as part of the photo details in the DynamoDB table. Retrieve previously uploaded photos by querying DynamoDB for the S3 key.
  • D. Use Amazon Cognito user pools to manage user accounts. Create an Amazon Cognito user pool authorizer in API Gateway to control access to the API. Use the Lambda function to store the photos and details in the DynamoDB table. Retrieve previously uploaded photos directly from the DynamoDB table.
Answer: C

NEW QUESTION # 386
A developer has a continuous integration and continuous delivery (CI/CD) pipeline that uses AWS CodeArtifact and AWS CodeBuild. The build artifacts are between 0.5 GB and 1.5 GB in size.
The builds happen frequently and retrieve many dependencies from CodeArtifact each time.
The builds have been slow because of the time it takes to transfer dependencies. The developer needs to improve build performance by reducing the number of dependencies that are retrieved for each build.
Which solution will meet this requirement?
  • A. Specify an Amazon S3 cache in CodeBuild. Add the S3 cache folder path to the buildspec.yaml file for the build project.
  • B. Specify a local cache in CodeBuild. Add the CodeArtifact repository name to the buildspec.yaml file for the build project.
  • C. Retrieve the buildspec.yaml file directly from CodeArtifact. Add the CodeArtifact repository name to the buildspec.yaml file for the build project.
  • D. Specify a local cache in CodeBuild. Add the cache folder path to the buildspec.yaml file for the build project.
Answer: D
Explanation:
Using a local cache in CodeBuild allows you to cache dependencies locally on the build host, which can significantly reduce the time it takes to retrieve dependencies during subsequent builds.

NEW QUESTION # 387
A company is building a new application that runs on AWS and uses Amazon API Gateway to expose APIs Teams of developers are working on separate components of the application in parallel The company wants to publish an API without an integrated backend so that teams that depend on the application backend can continue the development work before the API backend development is complete.
Which solution will meet these requirements?
  • A. Create an AWS Lambda function that returns mocked responses and various HTTP status codes. Create API Gateway resources and set the integration type value to AWS_PROXY Deploy the API.
  • B. Create API Gateway resources and set the integration type value set to HTTP_PROXY. Add mapping templates and deploy the API. Create an AWS Lambda layer that returns various HTTP status codes Associate the Lambda layer with the API deployment
  • C. Create API Gateway resources and set the integration type value to MOCK Configure the method integration request and integration response to associate a response with an HTTP status code Create an API Gateway stage and deploy the API.
  • D. Create an EC2 application that returns mocked HTTP responses Create API Gateway resources and set the integration type value to AWS Create an API Gateway stage and deploy the API.
Answer: C
Explanation:
* API Gateway Mocking: This feature is built for decoupling development dependencies. Here's the process:
* Create resources and methods in your API Gateway.
* Set the integration type to 'MOCK'.
* Define Integration Responses, mapping HTTP status codes to desired mocked responses (JSON, etc.).
* Deployment and Use:
* Create a deployment stage for the API.
* Frontend teams can call this API and get the mocked responses without a real backend.
References:
* Mocking API Gateway APIs: https://docs.aws.amazon.com/apig ... eloperguide/how-to- mock-integration.html

NEW QUESTION # 388
......
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