Cloud Service Types

Question 1

What are the three service types?

Answer 1

Infrastructure as a service
Platform as a service
Software as a service

Question 2

What is Infrastructure as a service?

Answer 2

Effectively renting hardware from a cloud services provider. It’s the most flexible. All the provider is responsible for is the physical maintenance, security and network connectivity of the data centers. The customer has to install the OS, configure and maintain everything in the instance/database.

Question 3

What are 2 example scenarios where Iaas makes sense?

Answer 3

List and shift migration: If you want to stand up resources similar to your on-prem resrouces.

Testing and development: If you have established configurations for test environments and development that you need to rapidly replicate.

Question 4

What is Platform as a service?

Answer 4

It’s a middle ground between renting the hardware and buying the deployed solution (software)
The cloud provider is responsible for everything in Iaas as well as the OS, dev tools and databases.

Question 5

What are 2 scenarios relevant to Paas?

Answer 5

Development framework: Paas providoes a framework that developers can build upon to develop or customize cloud-based applications.

Analytics or business intelligence: Tools provided as a service with Paas allow orgs to analyse and mine their data.