Amazon Web Services itexams aws Certified Associate Dva-c02 Dumps Pdf by Madeleine q39 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:	292 Q&A's	Shared By:	madeleine

Question 44

A company has deployed an application on AWS Elastic Beanstalk. The company has configured the Auto Scaling group that is associated with the Elastic Beanstalk environment to have five Amazon EC2 instances. If the capacity is fewer than four EC2 instances during the deployment, application performance degrades. The company is using the all-at-once deployment policy.

What is the MOST cost-effective way to solve the deployment issue?

Options:

Change the Auto Scaling group to six desired instances.

Change the deployment policy to traffic splitting. Specify an evaluation time of 1 hour.

Change the deployment policy to rolling with additional batch. Specify a batch size of 1.

Change the deployment policy to rolling. Specify a batch size of 2.

Discussion

Question 45

A developer received the following error message during an AWS CloudFormation deployment:

Which action should the developer take to resolve this error?

Options:

Contact AWS Support to report an issue with the Auto Scaling Groups (ASG> service.

Add a DependsOn attribute to the ASGInstanceRole12345678 resource in the CloudFormation template. Then delete the stack.

Modify the CloudFormation template to retain the ASGInstanceRolet 2345678 resource. Then manually delete the resource after deployment.

Add a force parameter when calling CloudFormation with the role-am of ASGInstanceRole12345678.

Discussion

Question 46

A company is developing an application that will be accessed through the Amazon API Gateway REST API. Registered users should be the only ones who can access certain resources of this API. The token being used should expire automatically and needs to be refreshed periodically.

How can a developer meet these requirements?

Options:

Create an Amazon Cognito identity pool, configure the Amazon Cognito Authorizer in API Gateway, and use the temporary credentials generated by the identity pool.

Create and maintain a database record for each user with a corresponding token and use an AWS Lambda authorizer in API Gateway.

Create an Amazon Cognito user pool, configure the Cognito Authorizer in API Gateway, and use the identity or access token.

Create an 1AM user for each API user, attach an invoke permissions policy to the API. and use an I AM authorizer in API Gateway.

Discussion

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Question 47

A developer is creating a template that uses AWS CloudFormation to deploy an application. The application is serverless and uses Amazon API Gateway, Amazon DynamoDB, and AWS Lambda.

Which AWS service or tool should the developer use to define serverless resources in YAML?

Options:

CloudFormation serverless intrinsic functions

AWS Elastic Beanstalk

AWS Serverless Application Model (AWS SAM)

AWS Cloud Development Kit (AWS CDK)