Which cloud service model delivers software applications over the internet as a service?

Which cloud service model delivers software applications over the internet as a service?

• A. IaaS
• B. PaaS
• C. SaaS
• D. DaaS

Answer: (C)

The main idea tested here is how cloud services deliver software. The model that provides software applications over the internet as a service is Software as a Service, or SaaS. With SaaS, the provider hosts the application, handles maintenance, updates, and security, and you access the software through a web browser or thin client. You don’t install or manage the underlying system yourself, and billing is usually on a subscription basis, making it quick to use and easy to scale. This differs from IaaS, which gives you core computing resources (like virtual machines and storage) that you manage yourself; and PaaS, which offers a platform to develop and run your own apps without worrying about the underlying infrastructure. DaaS isn’t focused on delivering traditional software applications as a service.

The main idea tested here is how cloud services deliver software. The model that provides software applications over the internet as a service is Software as a Service, or SaaS. With SaaS, the provider hosts the application, handles maintenance, updates, and security, and you access the software through a web browser or thin client. You don’t install or manage the underlying system yourself, and billing is usually on a subscription basis, making it quick to use and easy to scale. This differs from IaaS, which gives you core computing resources (like virtual machines and storage) that you manage yourself; and PaaS, which offers a platform to develop and run your own apps without worrying about the underlying infrastructure. DaaS isn’t focused on delivering traditional software applications as a service.