Cloud computing (Characteristics of Cloud Services from a Business Perspective)

Cloud Service Provider is in charge of:

Assets Maintenance

Cloud is and a combo of:

Hardware Network Storage Services Interfaces

Cloud Services:

Software Infrastructure Storage

Cloud computing

A model for enabling ubiquitous, convenient, on-demand network access to share pool of configurable computing resources (networks, servers, applications) that can be readily provisioned and released with minimal management effort or service provider interaction

You develop a game for Facebook. Then Facebook is considered? a)IaaS b)SaaS c)PaaS d)Infrastructure

Answer: c) Explanation: The game is nothing but a simple application. Facebook enables developing and supporting this application. Hence it is PaaS.

Which of these is a type of cloud service? a)Infrastructure b)Asset c)Maintenance d)Application

Answer: a) Explanation: Cloud offers three types of services such as infrastructure, storage, and software.

Cloud computing is a technology. a)True b)False

Answer: b) Explanation: Cloud computing is a business model and virtualization is a technology that enables cloud computing.

Platform as a Service (PaaS):

The ability to deploy newly created or acquired applications on the cloud infrastructure of the provider using programming languages, libraries, services, or tools given by the provider.

Hybrid Cloud:

The cloud infrastructure is a combination of two or more cloud infrastructures (private, community, or public) that remain unique entities but are bound together by standardized or propriety technology enabling data and application portability.

Community Cloud:

The cloud infrastructure is provisioned exclusively for a specific community. E.g.: To consumers from organizations that have similar concerns. It can be managed and operated by one or more organizations of the community, a third party, or a combination.

Private Cloud:

The cloud infrastructure is provisioned exclusively to a single organization comprising of multiple users (business units). It can be managed and operated by the organization, a third party, or a combination of both

Public Cloud:

The cloud infrastructure is provisioned for open use by the general public. It can be owned, managed, and operated by a business, academic, or government organization.

Software as a Service (SaaS):

The consumer has the ability to use the applications of the provider that are available on the cloud infrastructure. These application can be accessed from a client interface (web browser) or from a program interface.

Infrastructure as a Service (IaaS):

The consumer has the capability to provision processing, storage, network, and other fundamental computing resources where the consumer can deploy and run arbitrary software themselves.