1.3 Cloud Models Flashcards
What is a public cloud?
A cloud model that is available to everyone on the internet.
What is a private cloud?
A cloud model where the infrastructure is dedicated solely to one organization, often described as a virtualized local data center.
What is a hybrid cloud?
A cloud model that combines elements of both public and private clouds.
What are the characteristics of Software as a Service (SaaS)?
On-demand software with no local installation, centrally managed data and applications, and a complete application offering without development work required.
What responsibilities does an organization have when using Infrastructure as a Service (IaaS)?
They are responsible for management and security of the services.
What is a primary benefit of using Infrastructure as a Service (IaaS)?
Outsourcing hardware while maintaining control over the management of data.
What is Platform as a Service (PaaS)?
A cloud service where the provider manages the infrastructure, and the user handles the development and application.
What are some characteristics of Platform as a Service (PaaS)?
No need for servers, software maintenance, or HVAC systems; the user doesn’t have direct control over the underlying infrastructure.
What is an example of when an organization might use Platform as a Service (PaaS)?
When developing applications using pre-existing building blocks provided by the platform.
What should organizations be cautious about when using Platform as a Service (PaaS)?
Choosing the right platform since they don’t have direct control over the data, people, or infrastructure.
Why might a business use Software as a Service (SaaS) instead of managing their own software?
To avoid the complexities of installation and maintenance while benefiting from centralized management of data and applications.
Who is responsible for hardware maintenance in a Platform as a Service (PaaS) model?
The cloud provider, not the user.