Intro to Cloud Computing

Question 1

What is cloud computing?

Answer 1

The provision of computing services over the internet

Question 2

What are the two main services?

Answer 2

Compute processing and data storage

Question 3

What is the shared responsibility model?

Answer 3

The cloud provider is responsible for the hardware maintenance, OS, security and everything required to provide computing services. The consumer is responsible for security and data stored in the cloud.

Provider = OF the cloud
Consumer = IN the cloud

Question 4

What are the three levels of services and which way does each skew to place more responsibility on the provider or consumer?

Answer 4

Infra as a service (Iaas) - The cloud provider is only responsible for the physical hardware (the infra)
Platform as a service (Paas)
Software as a service (Saas)

Infra places more responsibility on the the consumer and Software on the cloud provider.

Question 5

What is the consumer always responsible for? (3)

Answer 5

The data stored in the cloud
The devices allowed to connect to the cloud
The accounts and identities of the people and services within your organisation

Question 6

What is the cloud provider always responsible for? (3)

Answer 6

The physical network
The physical datacenters
The physical hosts

Question 7

What 4 areas of responsibility will your service model impact?

Answer 7

Applications
Operating systems
Network controls
Identity and infrastructure

Question 8

What are the 3 cloud models for deployment?

Answer 8

Private cloud - You have much more control, may be deployed on site
Public cloud - Built, deployed and maintained by the third-part cloud services provider
Hybrid - Can allow a private cloud to temporarily surge to meet an increase in demand and deploy public cloud resources as needed