Amazon Web Services nwexams ace Your Dva-c02 Aws Certified Associate Exam by Avery q26 vce pdf

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Exam Name:	AWS Certified Developer - Associate
Exam Code:	DVA-C02 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Associate
Questions:	546 Q&A's	Shared By:	avery

Question 40

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?

Options:

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.

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.

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.

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.

Discussion

Question 41

A developer manages an application that stores user objects in an Amazon S3 bucket without versioning enabled. The application has premium users and basic users.

After premium users upload objects, the premium users have unlimited downloads of their objects. Their objects are stored with a premium/ prefix. After basic users upload objects, the basic users can download their objects for 90 days. Their objects are stored with a basic/ prefix.

The developer needs to implement a solution to automatically delete objects for the basic users after 90 days.

Which solution will meet these requirements with the LEAST development effort?

Options:

Create an AWS Lambda function that removes any objects in the S3 bucket that have the basic/ prefix and are more than 90 days old. Set up an Amazon EventBridge schedule to invoke the Lambda function every day.

Set up an S3 Lifecycle rule that applies to the objects that have the premium/ prefix. Set the S3 Lifecycle rule action to expire the current version of the objects that have the premium/ prefix after 90 days.

Set up an S3 Lifecycle rule that applies to the objects that have the basic/ prefix. Set the S3 Lifecycle rule action to expire the current version of the objects that have the basic/ prefix after 90 days.

Create a rule for the S3 bucket to identify objects that have the basic/ prefix. Set the rule action to delete any objects that have object delete markers and unfinished multipart uploads after 90 days.

Discussion

Question 42

A developer has written a distributed application that uses micro services. The microservices are running on Amazon EC2 instances. Because of message volume, the developer is unable to match log output from each microservice to a specific transaction. The developer needs to analyze the message flow to debug the application.

Which combination of steps should the developer take to meet this requirement? (Select TWO.)

Options:

Download the AWS X-Ray daemon. Install the daemon on an EC2 instance. Ensure that the EC2 instance allows UDP traffic on port 2000.

Configure an interface VPC endpoint to allow traffic to reach the global AWS X-Ray daemon on TCP port 2000.

Enable AWS X-Ray. Configure Amazon CloudWatch to push logs to X-Ray.

Add the AWS X-Ray software development kit (SDK) to the microservices. Use X-Ray to trace requests that each microservice makes.

Set up Amazon CloudWatch metric streams to collect streaming data from the microservices.

Discussion

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Question 43

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?

Options:

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.

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.

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.

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 ke