Organization is a physical perimeter that surrounds a set of IT resources that are owned and governed by an organization

Virtual Private Cloud is a self-contained cloud environment hosted and managed by a public cloud provider, and made available to a cloud consumer.

Virtual Private Cloud is two or more inter-connected clouds.

A collaborative effort in which infrastructure is shared between several organizations from a specific community with common concerns

is called community clouds

Organizations act as cloud consumers when accessing cloud services and IT resources made available by different cloud providers can be define as public cloud

An organization uses a hybrid cloud architecture that utilizes both a private and public cloud.

A data center which use Microsoft HyperV to create multiple virtual machine is best define a cloud solution 

Clustering is a grouping of linked network nodes

Horizontal Scaling is an IT resource (a virtual server with two CPUs) is scaled up by replacing it with a more powerful IT resource with increased capacity for data storage (a physical server with four CPUs).