Which solution will meet these requirement in the MOST secure manner?

A company has an AWS Lambda function that needs read access to an Amazon S3 bucket that is located in the same AWS account.

Which solution will meet these requirement in the MOST secure manner?
A . Apply an S3 bucket pokey that grants road access to the S3 bucket
B . Apply an IAM role to the Lambda function Apply an 1AM policy to the role to grant read access to the S3 bucket
C . Embed an access key and a secret key In the Lambda function’s coda to grant the required 1AM permissions for read access to the S3 bucket
D . Apply an IAM role to the Lambda function. Apply an IAM policy to the role to grant read access to all S3 buckets In the account

View Answer

Answer: B