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Amazon Web Services Updated DVA-C02 Exam Questions and Answers by alvey

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Amazon Web Services DVA-C02 Exam Overview :

Exam Name: AWS Certified Developer - Associate
Exam Code: DVA-C02 Dumps
Vendor: Amazon Web Services Certification: AWS Certified Associate
Questions: 368 Q&A's Shared By: alvey
Question 48

A developer needs to perform geographic load testing of an API. The developer must deploy resources to multiple AWS Regions to support the load testing of the API.

How can the developer meet these requirements without additional application code?

Options:

A.

Create and deploy an AWS Lambda function in each desired Region. Configure the Lambda function to create a stack from an AWS CloudFormation template in that Region when the function is invoked.

B.

Create an AWS CloudFormation template that defines the load test resources. Use the AWS CLI create-stack-set command to create a stack set in the desired Regions.

C.

Create an AWS Systems Manager document that defines the resources. Use the document to create the resources in the desired Regions.

D.

Create an AWS CloudFormation template that defines the load test resources. Use the AWS CLI deploy command to create a stack from the template in each Region.

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Question 49

A developer created an AWS Lambda function that performs a series of operations that involve multiple AWS services. The function's duration time is higher than normal. To determine the cause of the issue, the developer must investigate traffic between the services without changing the function code

Which solution will meet these requirements?

Options:

A.

Enable AWS X-Ray active tracing in the Lambda function Review the logs in X-Ray

B.

Configure AWS CloudTrail View the trail logs that are associated with the Lambda function.

C.

Review the AWS Config logs in Amazon Cloud Watch.

D.

Review the Amazon CloudWatch logs that are associated with the Lambda function.

Discussion
Question 50

A developer is using an AWS Lambda function to generate avatars for profile pictures that are uploaded to an Amazon S3 bucket. The Lambda function is automatically invoked for profile pictures that are saved under the /original/ S3 prefix. The developer notices that some pictures cause the Lambda function to time out. The developer wants to implement a fallback mechanism by using another Lambda function that resizes the profile picture.

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

Options:

A.

Set the image resize Lambda function as a destination of the avatar generator Lambda function for the events that fail processing.

B.

Create an Amazon Simple Queue Service (Amazon SQS) queue. Set the SQS queue as a destination with an on failure condition for the avatar generator Lambda function. Configure the image resize Lambda function to poll from the SQS queue.

C.

Create an AWS Step Functions state machine that invokes the avatar generator Lambda function and uses the image resize Lambda function as a fallback. Create an Amazon EventBridge rule that matches events from the S3 bucket to invoke the state machine.

D.

Create an Amazon Simple Notification Service (Amazon SNS) topic. Set the SNS topic as a destination with an on failure condition for the avatar generator Lambda function. Subscribe the image resize Lambda function to the SNS topic.

Discussion
Question 51

A developer wants to deploy a new version of an AWS Elastic Beanstalk application. During deployment the application must maintain full capacity and avoid service interruption. Additionally, the developer must minimize the cost of additional resources that support the deployment.

Which deployment method should the developer use to meet these requirements?

Options:

A.

All at once

B.

Rolling with additional batch

C.

Bluegreen

D.

Immutable

Discussion
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