4.2 - CompTIA A+ Core 1

Private Cloud

A cloud environment only available to the person/organization that deployed it.

Public Cloud

A cloud environment available to everyone over the internet.

Hybrid Cloud

A mixture of public and private cloud environments that allows for greater flexibility and scalability.

Community Cloud

Cloud infrastructure shared between multiple organizations.

Infrastructure as a Service (IaaS)

Allows deployment of virtualized computing resources over the internet; the end user configures and deploys the services, retaining full control over data.

Software as a Service (SaaS)

Complete on-demand applications hosted over the internet; no local installation is required, and data is managed by a vendor.

Platform as a Service (PaaS)

Vendor provides an environment for application development, handling the platform while the client focuses on building applications.