Select the correct statements about Infrastructure as a Service (IaaS).
Cloud computing service providers, such as Microsoft Office, work with organizations on the management of information systems infrastructure, allowing them to focus on software purchase, installation, and configuring.
IaaS is an instant computing infrastructure composed of processing, data storage, and a variety of other computing resources provided by a vendor.
IaaS is not scalable. Organizations have to pay regardless of how much of the services they use.
IaaS helps organizations avoid the cost of acquiring and managing their own physical servers and datacenter architecture.