DUMPS DVA-C02 FREE DOWNLOAD & DVA-C02 VALID EXAM FEE

Dumps DVA-C02 Free Download & DVA-C02 Valid Exam Fee

Dumps DVA-C02 Free Download & DVA-C02 Valid Exam Fee

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Amazon AWS Certified Developer - Associate Sample Questions (Q531-Q536):

NEW QUESTION # 531
A developer has deployed an AWS Lambda function that is subscribed to an Amazon Simple Notification Service (Amazon SNS) topic. The developer must implement a solution to add a record of each Lambda function invocation to an Amazon Simple Queue Service (Amazon SQS) queue.
Which solution will meet this requirement?

  • A. Configure the SQS queue as a dead-letter queue for the Lambda function.
  • B. Create code that uses the AWS SDK to call the SQS SendMessage operation to add the invocation details to the SQS queue. Add the code to the end of the Lambda function.
  • C. Add two asynchronous invocation destinations to the Lambda function: one destination for successful invocations and one destination for failed invocations. Configure the SQS queue as the destination for each type. Create an Amazon CloudWatch alarm based on the DestinationDeliveryFailures metric to catch any message that cannot be delivered.
  • D. Add a single asynchronous invocation destination to the Lambda function to capture successful invocations. Configure the SQS queue as the destination. Create an Amazon CloudWatch alarm based on the DestinationDeliveryFailures metric to catch any message that cannot be delivered.

Answer: B


NEW QUESTION # 532
A developer is creating a mobile app that calls a backend service by using an Amazon API Gateway REST API. For integration testing during the development phase, the developer wants to simulate different backend responses without invoking the backend service. Which solution will meet these requirements with the LEAST operational overhead?

  • A. Create an Amazon EC2 instance that serves the backend REST API by using an AWS CloudFormation template.
  • B. Create an AWS Lambda function. Use API Gateway proxy integration to return constant HTTP responses.
  • C. Use a request mapping template to select the mock integration response.
  • D. Customize the API Gateway stage to select a response type based on the request.

Answer: C

Explanation:
https://docs.aws.amazon.com/apigateway/latest/developerguide/how-to-mock-integration.html


NEW QUESTION # 533
A company is planning to deploy an application on AWS behind an Elastic Load Balancer. The application uses an HTTP/HTTPS listener and must access the client IP addresses.
Which load-balancing solution meets these requirements?

  • A. Use an Application Load Balancer and the X-Forwarded-For headers.
  • B. Use an Application Load Balancer. Register the targets by the instance ID.
  • C. Use a Network Load Balancer (NLB). Enable proxy protocol support on the NLB and the target application.
  • D. Use a Network Load Balancer and the X-Forwarded-For headers.

Answer: A

Explanation:
Use an Application Load Balancer (ALB) and the X-Forwarded-For headers. When an ALB is used, the X-Forwarded-For header can be used to pass the client IP address to the backend servers.


NEW QUESTION # 534
A developer must provide an API key to an AWS Lambda function to authenticate with a third- party system. The Lambda function will run on a schedule. The developer needs to ensure that the API key remains encrypted at rest.
Which solution will meet these requirements?

  • A. Store the API key as a value in the application code.
  • B. Store the API key as a Lambda environment variable by using an AWS Key Management Service (AWS KMS) customer managed key.
  • C. Configure the application to prompt the user to provide the password to the Lambda function on the first run.
  • D. Use Lambda@Edge and only communicate over the HTTPS protocol.

Answer: B

Explanation:
Storing the API key as a Lambda environment variable using an AWS Key Management Service (AWS KMS) customer-managed key is the most secure solution. AWS KMS is a managed encryption service that provides customer-managed keys. Customer-managed keys are encrypted with an AWS KMS master key, which is stored in an AWS KMS vault.


NEW QUESTION # 535
A company wants to share information with a third party. The third party has an HTTP API endpoint that the company can use to share the information. The company has the required API key to access the HTTP API.
The company needs a way to manage the API key by using code. The integration of the API key with the application code cannot affect application performance. Which solution will meet these requirements MOST securely?

  • A. Store the API credentials in a local code variable. Push the code to a secure Git repository. Use the local code variable at runtime to make the API call.
  • B. Store the API credentials in AWS Secrets Manager. Retrieve the API credentials at runtime by using the AWS SDK. Use the credentials to make the API call.
  • C. Store the API credentials as an object in a private Amazon S3 bucket. Restrict access to the S3 object by using IAM policies. Retrieve the API credentials at runtime by using the AWS SDK. Use the credentials to make the API call.
  • D. Store the API credentials in an Amazon DynamoDB table. Restrict access to the table by using resource-based policies. Retrieve the API credentials at runtime by using the AWS SDK. Use the credentials to make the API call.

Answer: B

Explanation:
It's not secure to store API keys in git repository. Hence storing it in secret manger is a most secure to way to handle this scenario.


NEW QUESTION # 536
......

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