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:	600 Q&A's	Shared By:	madeleine

Question 44

An application that is hosted on an Amazon EC2 instance needs access to files that are stored in an Amazon S3 bucket. The application lists the objects that are stored in the S3 bucket and displays a table to the user. During testing, a developer discovers that the application does not show any objects in the list.

What is the MOST secure way to resolve this issue?

Options:

Update the IAM instance profile that is attached to the EC2 instance to include the S3:* permission for the S3 bucket.

Update the IAM instance profile that is attached to the EC2 instance to include the S3:ListBucket permission for the S3 bucket.

Update the developer ' s user permissions to include the S3:ListBucket permission for the S3 bucket.

Update the S3 bucket policy by including the S3:ListBucket permission and by setting the Principal element to specify the account number of the EC2 instance.

Discussion

Question 45

A company is planning to deploy an application on AWS behind an Elastic Load Balancing (ELB) load balancer. The application uses an HTTP/HTTPS listener and must access the client IP addresses.

Which load-balancing solution meets these requirements?

Options:

Use an Application Load Balancer and the X-Forwarded-For headers.

Use a Network Load Balancer (NLB). Enable proxy protocol support on the NLB and the target application.

Use an Application Load Balancer. Register the targets by the instance ID.

Use a Network Load Balancer and the X-Forwarded-For headers.

Discussion

Question 46

A developer is managing an application that uploads user files to an Amazon S3 bucket named companybucket. The company wants to maintain copies of all the files uploaded by users for compliance purposes, while ensuring users still have access to the data through the application.

Which IAM permissions should be applied to users to ensure they can create but not remove files from the bucket?

Options:

{ " Version " : " 2012-10-17 " , " Statement " : [{ " Sid " : " statement1 " , " Effect " : " Allow " , " Action " : [ " s3:GetObject " , " s3:PutObject " , " s3:DeleteObject " ], " Resource " : [ " arn:aws:s3:::companybucket " ]}] }

{ " Version " : " 2012-10-17 " , " Statement " : [{ " Sid " : " statement1 " , " Effect " : " Allow " , " Action " : [ " s3:CreateBucket " , " s3:GetBucketLocation " ], " Resource " : " arn:aws:s3:::companybucket " }]}

{ " Version " : " 2012-10-17 " , " Statement " : [{ " Sid " : " statement1 " , " Effect " : " Allow " , " Action " : [ " s3:GetObject " , " s3:PutObject " , " s3:DeleteObject " , " s3:PutObjectRetention " ], " Resource " : " arn:aws:s3:::companybucket " }]}

{ " Version " : " 2012-10-17 " , " Statement " : [{ " Sid " : " statement1 " , " Effect " : " Allow " , " Action " : [ " s3:GetObject " , " s3:PutObject " ], " Resource " : [ " arn:aws:s3:::companybucket " ]}] }

Discussion

Question 47

A company runs a batch processing application by using AWS Lambda functions and Amazon API Gateway APIs with deployment stages for development, user acceptance testing and production A development team needs to configure the APIs in the deployment stages to connect to third-party service endpoints.

Which solution will meet this requirement?

Options:

Store the third-party service endpoints in Lambda layers that correspond to the stage

Store the third-party service endpoints in API Gateway stage variables that correspond to the stage

Encode the third-party service endpoints as query parameters in the API Gateway request URL.

Store the third-party service endpoint for each environment in AWS AppConfig

Discussion

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