Platform as a Service (PAAS), Infrastructure as A Service (IAAS), & Software as A Service (SAAS)

Question 1

allow organizations to manage their business resources — such as their network, servers, and data storage — on the cloud
Google Compute Engine for example

Answer 1

Infrastructure as a Service (IAAS)

Question 2

is a cloud computing model where a third-party provider delivers hardware and software tools to users over the internet

Answer 2

Platform as a Service (PAAS)

Question 3

allows users to connect to and use cloud-based apps over the Internet. Common examples are email, calendaring, and office tools (such as Microsoft Office 365

Answer 3

Software as A service (SAAS)