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Questions and Answers
What is the main advantage of a Hybrid Cloud?
What type of cloud is typically used by a single organization for its own use?
What is the main characteristic of IaaS?
What is the benefit of cloud computing that allows users to quickly scale up or down to match changing business needs?
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What type of cloud is delivered by a third-party provider over the internet, available to anyone?
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What is the main characteristic of SaaS?
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What is the key characteristic of cloud computing that allows users to provision resources without human intervention?
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What is the main advantage of using a Public Cloud?
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Study Notes
Cloud Computing
Cloud computing is a model of delivering computing services over the internet, allowing users to access and use a shared pool of computing resources on-demand.
Types of Cloud
Deployment Models
- Public Cloud: A third-party provider delivers cloud computing resources over the internet, available to anyone. Examples: Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP).
- Private Cloud: A single organization owns and manages a cloud computing environment, typically for its own use. Examples: VMware, OpenStack.
- Hybrid Cloud: A combination of public and private cloud environments, allowing for flexibility and scalability. Examples: AWS Outposts, Azure Stack.
Service Models
- Infrastructure as a Service (IaaS): Provides virtualized computing resources, such as servers, storage, and networking. Examples: AWS EC2, Azure Virtual Machines.
- Platform as a Service (PaaS): Provides a complete platform for developing, running, and managing applications. Examples: Heroku, Google App Engine.
- Software as a Service (SaaS): Provides software applications over the internet, eliminating the need for local installation. Examples: Salesforce, Microsoft 365.
Key Characteristics of Cloud Computing
- On-demand self-service: Users can provision resources without human intervention.
- Broad network access: Resources are accessible over the internet, from any device, anywhere.
- Resource pooling: Resources are pooled together to provide a multi-tenant environment.
- Rapid elasticity: Resources can be quickly scaled up or down to match changing business needs.
- Measured service: Users only pay for the resources they use.
Benefits of Cloud Computing
- Scalability: Quickly scale up or down to match changing business needs.
- Cost-effectiveness: Reduce capital expenditures and operational costs.
- Flexibility: Access resources from anywhere, on any device.
- Reliability: Built-in redundancy and disaster recovery capabilities.
- Security: Enhanced security features and compliance with regulations.
Cloud Computing
- Cloud computing: a model for delivering computing services over the internet, allowing users to access and use a shared pool of computing resources on-demand.
Types of Cloud
Deployment Models
- Public Cloud: third-party provider delivers cloud computing resources over the internet, available to anyone. (Examples: AWS, Microsoft Azure, Google Cloud Platform)
- Private Cloud: a single organization owns and manages a cloud computing environment, typically for its own use. (Examples: VMware, OpenStack)
- Hybrid Cloud: a combination of public and private cloud environments, allowing for flexibility and scalability. (Examples: AWS Outposts, Azure Stack)
Service Models
- Infrastructure as a Service (IaaS): provides virtualized computing resources (servers, storage, and networking). (Examples: AWS EC2, Azure Virtual Machines)
- Platform as a Service (PaaS): provides a complete platform for developing, running, and managing applications. (Examples: Heroku, Google App Engine)
- Software as a Service (SaaS): provides software applications over the internet, eliminating the need for local installation. (Examples: Salesforce, Microsoft 365)
Key Characteristics of Cloud Computing
- On-demand self-service: users can provision resources without human intervention.
- Broad network access: resources are accessible over the internet, from any device, anywhere.
- Resource pooling: resources are pooled together to provide a multi-tenant environment.
- Rapid elasticity: resources can be quickly scaled up or down to match changing business needs.
- Measured service: users only pay for the resources they use.
Benefits of Cloud Computing
- Scalability: quickly scale up or down to match changing business needs.
- Cost-effectiveness: reduce capital expenditures and operational costs.
- Flexibility: access resources from anywhere, on any device.
- Reliability: built-in redundancy and disaster recovery capabilities.
- Security: enhanced security features and compliance with regulations.
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Description
Learn about cloud computing, its deployment models, and types of clouds including public and private clouds.
