A Website Uses Elastic Load Balancing (ELB) in Front of Several

Multiple Choice

A website uses Elastic Load Balancing (ELB) in front of several Amazon EC2 instances backed by an Amazon RDS database. The content is dynamically generated for visitors of a webpage based on their geographic location. and is updated daily. Some of the generated objects are large in size and are taking longer to download than they should, resulting in a poor user experience. Which approach will improve the user experience?

A) Implement Amazon ElastiCache to cache the content and reduce the load on the database.
B) Enable an Amazon CloudFront distribution with Elastic Load Balancing as a custom origin.
C) Use Amazon S3 to store and deliver the content.
D) Enable Auto Scaling for the EC2 instances so that they can scale automatically.