Cloud service models

There are different types of cloud services, and these are very heavily tested in the Security+ exam, therefore we will show screenshots of the types of offerings. We will first look at infrastructure as a service which is the model that you may have more control over:

• Infrastructure as a service (IaaS): If you think of a network infrastructure, you think of desktops, servers, firewalls, routers, and switches—the hardware devices for a network. When you purchase these devices, they have a default factory setting and these settings need to be configured. Desktops are bare-bones, meaning that they have no operating system installed. IaaS is the same; you need to preconfigure these devices, install an operating system, and maintain the patch management. See the pricing for IaaS in the illustration that follows.

 

• Distributive allocation: When you decide to use an IaaS model, you may install a virtual load balancer to provide a distributive allocation of some of your server...