What is cloud computing with example || Salesforce cloud computing

What is cloud

    

The term Cloud refers to a Network or Internet. Cloud can provide services over network i.e. on public networks or on private networks i.e. WAN, LAN.

Applications such as e-mail, web conferencing, customer relationship management (CRM), all run in cloud.

 

 

 

What is cloud computing in salesforce

Cloud computing refers to the delivery of computing services such as storage, processing power, and applications over the internet rather than locally on a user's computer or on-premises servers. In cloud computing, a network of remote servers hosted on the internet is used to store, manage, and process data and applications, allowing users to access them from anywhere with an internet connection.

 

Cloud computing means storing and accessing data programs over the internet instead of your computer’s hard drive

 

Cloud computing offers several benefits, including scalability, cost-effectiveness, accessibility, and reliability. With cloud computing, users can easily scale up or down their computing resources based on their needs, pay only for the resources they use, access applications and data from anywhere, and rely on the cloud service provider to handle maintenance and security.

Characteristics of Cloud Computing

Cloud computing is a model for delivering computing resources and services over the internet. The key characteristics of cloud computing are: 

 

1. On-Demand Self-Service: Cloud computing provides users with the ability to provision computing resources and services on demand, without requiring human interaction with service providers.
2. Broad Network Access: Cloud computing resources and services can be accessed over the internet from anywhere with an internet connection and a suitable device.
3. Resource Pooling: Cloud computing resources are pooled together and dynamically allocated to multiple users on a multi-tenant basis. This allows for more efficient use of resources and better scalability.
4. Rapid Elasticity: Cloud computing resources can be quickly scaled up or down to meet changing demand. This allows organizations to avoid wasting resources during periods of low demand and handle spikes in demand more effectively.
5. Measured Service: Cloud computing resources and services are monitored and measured, allowing for usage-based billing and optimization of resource utilization.     

 

Need of Cloud Computing     

Criteria	On Premise Server	Cloud Computing
Cost	Costly software required	No need to purchase  software
Data Security	Poor data security	Better data security
Data Access	Data can not be accessed  remotely	Data can be accessed/shared anywhere over internet
Implementation Time	It takes longer implementation time	Fast Implementation
Software Updates	Require update manually	No require update manually, It automatically update

Cloud Computing Models 

1. Deployment Models
2. Service Model 

• Deployment Model:-  Cloud computing provides several deployment models that organizations can use to manage and deliver their computing services and resources. The deployment models include:     
  
  1.  Public Cloud
  2. Private Cloud
  3. Community Cloud
  4. Hybrid Cloud   

 

 

 

• Service Model:-  Cloud computing provides four service models, which determine the level of management and control that users have over their computing resources and applications. The service model that an organization chooses will depend on its specific requirements, such as control, customization, and management of their applications and computing resources. The service models are:-   

1. nfrastructure as a service - IAAS
2. Platform as a service - PAAS
3. Software as a service - SAAS
4. Function as a service - FAAS

Difference Between Deployment Model and Service Model

Deployment Model	Service Model
Refers to how the cloud infrastructure is deployed and managed	Refers to how the cloud computing services are provided and consumed
Concerned with the location, ownership, and access to the computing resources and services	Concerned with the level of control and management that users have over their computing resources and applications
Determines the type of cloud environment that an organization can use to manage and deliver their computing resources and services	Determines the type of cloud computing services that an organisation can use to manage and deliver their computing resources and services
Deployment models in cloud computing are public, private, hybrid, community, and multi-cloud	Service Model in cloud computing are IAAS, PAAS, SAAS ans FAAS

cloud computing examples 

AWS, VMware, Microsoft Azure, IBM’s Blue Cloud and Sun Cloud

Cloud computing interview questions

Question-1:- Which of the following is not characteristics of Cloud computing-

1. Scalable Resources
2. Location independence
3. Multi-tenancy
4. Higher Values

Answer:-  Higher Values

Question-2:- Which of the following is not characteristics of Cloud computing-

1. Metered Services
2. Immediate elasticity
3. Universal client support
4. Invisible resource pooling

Answer:-  Invisible resource pooling

 

Question-3:- Which of the following is not an essential characteristics of cloud computing ?

1. On demand self services
2. Static environment
3. Resource pooling
4. Rapid elastisity

Answer:-  Static environment

 

 

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