Explore cloud computing concepts such as cloud model types, resource sharing, measure service, and virtual desktops. This course covers: the features of the Infrastructure as a service (IaaS), Software as a service (SaaS) and Platform as a service (PaaS); differentiating between public, private, hybrid, and community cloud infrastructures; the differences between internal and external shared resources; rapid elasticity as a feature through a cloud service provider; the benefits of on-demand computing and resource pooling; considerations and benefits of using a measured service or a metered service; the benefits of using off-site cloud-based e-mail; the benefits of using cloud file storage services; when to use cloud-based applications; the types of virtual desktops and their purposes; the technology characteristics of IaaS, SaaS, and PaaS cloud services, and the benefits of cloud file storage services. The course concludes with an exercise on working with cloud technologies, types of service, rapid elasticity, and using cloud file storage services. This course can be used to help prepare for the 220-1001: CompTIA A+ certification exam.