Cloud computing is the on-demand availability of computer system resources, especially data storage and computing power, without direct active management by the user. Large clouds often have functions distributed over multiple locations, each location being a data center. Cloud computing relies on sharing of resources to achieve coherence and typically using a "pay-as-you-go" model which can help in reducing capital expenses but may also lead to unexpected operating expenses for unaware users
CLOUD COMPUTING INTRODUCTION.
Cloud Refers network (or) internet.
DEFINITION:
* It refers network to manipulating , configuring and accessing hardware and software resources remotely.
1)What is cloud computing?
* Introduction To Cloud Computing - javatpoint next → ← prev Introduction to Cloud Computing Cloud Computing is the delivery of computing services such as servers, storage, databases, networking, software, analytics, intelligence, and more, over the Cloud (Internet)
2)What are the models of cloud computing?
* Cloud Computing can be classified in terms of the following models: After learning about the Introduction to Cloud Computing, we are now studying the Service models, which are classified in terms of abstraction provided to the end-user. In the SaaS-based model, the cloud service provider; the user only needs to upload and download data.
3)How has cloud computing evolved?
* The concept of Cloud Computing came into existence in the year 1950 with implementation of mainframe computers, accessible via thin/static clients. Since then, cloud computing has been evolved from static clients to dynamic ones and from software to services. The following diagram explains the evolution of cloud computing.
4)What is hybrid cloud computing?
* Hybrid cloud computing, as the name implies, uses a combination of private and public cloud services. Certain services are hosted with private cloud while others with the public cloud. With a hybrid cloud service, enterprises can keep crucial data into private space and other data into public space, thus leveraging the best of both worlds.
5)What is security as a service in cloud computing?
For cloud-hosted security software, see Security as a service. Cloud computing security or, more simply, cloud security refers to a broad set of policies, technologies, applications, and controls utilized to protect virtualized IP, data, applications, services, and the associated infrastructure of cloud computing.
6)What are the security concerns in cloud computing?
Security in cloud computing is a major concern. Data in cloud should be stored in encrypted form. To restrict client from accessing the shared data directly, proxy and brokerage services should be employed. Before deploying a particular resource to cloud, one should need to analyze several aspects of the resource such as.
7)How secure is your data in the cloud?
Although each service model has security mechanism, the security needs also depend upon where these services are located, in private, public, hybrid or community cloud. Since all the data is transferred using Internet, data security is of major concern in the cloud.
8)What is cloud computing and its need?
In this, we will discuss the overview of cloud computing, its need, and mainly our focus to cover the security issues in Cloud Computing. Let’s discuss it one by one. Cloud Computing is a type of technology that provides remote services on the internet to manage, access, and store data rather than storing it on Servers or local drives.
9)What is cloud computing?
The humble beginnings of cloud Believe it or not, the modern day idea of “cloud computing” dates back to the 1950s, when large-scale mainframes were made available to schools and corporations. Due to the cost of buying and maintaining mainframes, an organization wouldn’t be able to afford a mainframe for each user.
10)Who invented cloud computing?
Who Invented Cloud Computing? Cloud Computing was invented in the early 1960s by J.C.R Licklider (Joseph Carl Robnett Licklider), an American Psychologist and Computer Scientist.
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