What is Cloud Computing? A Beginner's Guide to Understanding the Basics
"Learn about the benefits, deployment models, and service models of Cloud Computing"
Table of contents
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What is Cloud Computing?
Cloud computing is a technology model that provides access to a shared pool of computing resources (such as servers, storage, applications, and services) over the Internet, on a pay-as-you-go basis.
What are the benefits of Cloud Computing?
Some of the benefits of Cloud Computing include cost savings, scalability, agility, availability, reliability, security, and reduced maintenance.
What are the different Cloud Computing deployment models?
The three main Cloud Computing deployment models are Public Cloud, Private Cloud, and Hybrid Cloud.
What is a Public Cloud?
A Public Cloud is a type of Cloud Computing deployment model that provides computing resources (such as servers, storage, and applications) over the Internet, on a pay-as-you-go basis, to anyone who wants to use them.
What is a Private Cloud?
A Private Cloud is a type of Cloud Computing deployment model that provides computing resources (such as servers, storage, and applications) to a single organization, and is typically hosted on-premises or in a dedicated data center.
What is a Hybrid Cloud?
A Hybrid Cloud is a type of Cloud Computing deployment model that combines the use of both Public and Private Clouds, in order to achieve a balance between cost savings and security.
What is Infrastructure as a Service (IaaS)?
Infrastructure as a Service (IaaS) is a Cloud Computing service model that provides virtualized computing resources (such as servers, storage, and networking) over the Internet, on a pay-as-you-go basis.
What is Platform as a Service (PaaS)?
Platform as a Service (PaaS) is a Cloud Computing service model that provides a platform (such as an operating system or a development environment) over the Internet, on a pay-as-you-go basis, for customers to build and deploy applications.
What is Software as a Service (SaaS)?
Software as a Service (SaaS) is a Cloud Computing service model that provides software applications (such as email, CRM, or HR management) over the Internet, on a pay-as-you-go basis.
What is the difference between Public Cloud and Private Cloud?
The main difference between Public Cloud and Private Cloud is that Public Cloud provides computing resources to anyone who wants to use them, while Private Cloud provides computing resources to a single organization.
What is the difference between Cloud Computing and Traditional Computing?
The main difference between Cloud Computing and Traditional Computing is that Cloud Computing provides access to a shared pool of computing resources over the Internet, on a pay-as-you-go basis, while Traditional Computing requires physical infrastructure to be set up and maintained on-premises.
What is Elasticity in Cloud Computing?
Elasticity is a feature of Cloud Computing that allows customers to dynamically scale up or down their computing resources (such as servers, storage, and networking) in response to changing demand, to avoid over-provisioning or under-provisioning.
What is Multi-tenancy in Cloud Computing?
Multi-tenancy is a feature of Cloud Computing that allows multiple customers (or tenants) to share the same physical infrastructure (such as servers, storage, and networking), while keeping their data and applications isolated from each other.
What is Virtualization in Cloud Computing?
Virtualization is a technology that allows multiple virtual machines (VMs) to run on a single physical server, by partitioning the physical resources (such as CPU, memory, and storage) and assigning them to each VM. This allows for greater efficiency and flexibility in resource allocation and enables customers to create and manage multiple isolated environments within a single physical infrastructure.
What is Cloud Computing Security?
Cloud Computing Security refers to the set of practices and technologies used to protect the confidentiality, integrity, and availability of data and applications in the Cloud. This includes measures such as encryption, access controls, network security, and data backups, as well as compliance with industry standards and regulations. Customers need to understand and manage their security responsibilities when using Cloud Computing services, as the Cloud provider is only responsible for the security of the underlying infrastructure.