D. ACLs (Access Control Lists)
Access Control Lists (ACLs) in Amazon S3 allow you to control access to your S3 resources at a more granular level. With ACLs, you can specify individual permissions for different AWS accounts or groups of accounts. By configuring the ACLs for the S3 bucket, the developer can restrict read and write access to only authorized entities, ensuring the security of the sensitive application logs.
Security groups (option A) are used for controlling inbound and outbound traffic to EC2 instances, not for controlling access to S3 buckets. Amazon CloudWatch (option B) is a monitoring service, and AWS CloudTrail (option C) is a service for logging and tracking API activity within your AWS account, but they are not directly related to restricting access to S3 buckets.
Answer D: ACLs
"Amazon S3 access control lists (ACLs) enable you to manage access to buckets and objects. Each bucket and object has an ACL attached to it as a subresource. It defines which AWS accounts or groups are granted access and the type of access. When a request is received against a resource, Amazon S3 checks the corresponding ACL to verify that the requester has the necessary access permissions."
https://docs.aws.amazon.com/AmazonS3/latest/userguide/acl-overview.html
Answer A is wrong because a security group acts as a firewall that controls the traffic allowed to and from the resources in your virtual private cloud (VPC).
Answer B is wrong because Amazon CloudWatch monitors your AWS resources and the applications you run on AWS in real time.
Answer C is wrong because CloudTrail monitors actions taken by a user or a role as an event. It does not prevent users or roles from performing certain actions.
Amazon S3 access control lists (ACLs) enable you to manage access to S3 buckets and objects. Every S3 bucket and object has an ACL attached to it as a subresource. The ACLs define which AWS accounts or groups are granted access along with the type of access c
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