Explanation:Autoscaling is part of Amazon Cloudwatch and available at no additional charge. 8. Which of the following is a Web service that can publish messages from an application and deliver them to other applications or to subscribers ?
A. Amazon Elastic Compute Cloud
B. Amazon Simple Queue Service
C. Amazon Simple Notification Service
D. Amazon Simple Storage System
Answer:A
Explanation:Autoscaling is part of Amazon Cloudwatch and available at no additional charge. 8. Which of the following is a Web service that can publish messages from an application and deliver them to other applications or to subscribers ?
A. Amazon Elastic Compute Cloud B. Amazon Simple Queue Service C. Amazon Simple Notification Service D. Amazon Simple Storage System