An online retailer wants to save money and is considering migrating to the public cloud so capacity can be added during the peak shopping season and automatical...

An online retailer wants to save money and is considering migrating to the public cloud so capacity can be added during the peak shopping season and automatically removed when the peak is over. Which of the following BEST describes this aspect of cloud computing?

A. Rapid elasticity B. Metered utilization C. Shared resources D. High availability