Cloud Computing

Question 1

What is cloud computing?

Answer 1

Cloud computing is the on-demand delivery of IT resources with a pay-as-you-go pricing model. Instead of a company having to build and maintain a data center, it can obtain those services from a cloud provider such as Amazon, Microsoft, Google, etc.

Question 2

What are the 3 main types of cloud computing services? Give concrete examples

Answer 2

1. SaaS
2. PaaS
3. IaaS

Question 3

What is a distributed system?

Answer 3

A distributed system is network of computers working as a single computer

Question 4

What is a virtual machine?

Answer 4

A virtual machine is software that can run its own OS and applications just like a physical computer. A vritual machine runs on top of a hypervisor

Question 5

Give an illustration of a virtual machine

Answer 5

• Applications
• OS
• Virtual hardware
• Virtual Machine (guest)
• Virtual Machine Manager
• Physical machine (host)

Question 6

Most cloud provides today offer Kubernetes as a Service