Exam Essentials

Know that cloud computing is similar in operation to a utility. Cloud computing follows the utilities model where a provider will sell computing resources using an as-needed or as-consumed model. This allows a company or individual to pay for only what they use.

Know what cloud computing is. Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. This cloud model is composed of five essential characteristics, three service models, and four deployment models.

Understand the different cloud service models and how to differentiate between them. Cloud service models are characterized by the phrase as a service and are accessed by many types of devices, including web browsers, thin clients, and mobile devices. There are three primary...