A Company Has an Image Processing Workload Running on Amazon

Multiple Choice

A company has an image processing workload running on Amazon Elastic Container Service (Amazon ECS) in two private subnets. Each private subnet uses a NAT instance for internet access. All images are stored in Amazon S3 buckets. The company is concerned about the data transfer costs between Amazon ECS and Amazon S3. What should a solutions architect do to reduce costs?

A) Configure a NAT gateway to replace the NAT instances.
B) Configure a gateway endpoint for traffic destined to Amazon S3.
C) Configure an interface endpoint for traffic destined to Amazon S3.
D) Configure Amazon CloudFront for the S3 bucket storing the images.