Explanation: In Amazon CloudFront, you should use an Elastic Load Balancing load balancer to handle trafficacross multiple Amazon EC2 instances and to isolate your application from changes to Amazon EC2instances. When you create your CloudFront distribution, specify the URL of the load balancer for thedomain name of your origin server. Reference: http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/CustomOriginBestPractices.html