Summary
In this introductory chapter, you explored the big picture of cloud computing. You investigated the many types of service models offered in the marketplace today. The core models include Infrastructure as a Service, which is defined as the networking, storage, and computing offered by the cloud provider, with the customer taking the responsibility of loading and managing the operating systems and applications. Platform as a Service extends this by including the server operating systems and leaves the responsibility of application software to the consumer. The next level is Software as a Service, which allows the consumer to access application software from the cloud.
Cloud delivery models are important to understand for the exam. You looked at the various types of models, including private, public hybrid, and community clouds, and what the general use cases and differences are for each type of delivery model.
You then moved on to some of the characteristics found in cloud computing...
