Describe cloud concepts

Question 1

What is cloud computing?

Answer 1

Delivery of computing services over the internet.

Question 2

What cloud service model places most of the responsibility on the customer?

Answer 2

IaaS - infrastructure as a service

Question 3

Which cloud model uses some data centers focused on providing cloud services to anyone that wants them, and some data centers that are focused on a single customer?

Answer 3

Hybrid Cloud

Question 4

Define the public cloud model

Answer 4

With a public cloud, anyone that wants to purchase cloud services can access and use resources. The general public availability is a key difference between public and private clouds.

Question 5

What are the three cloud models?

Answer 5

Public, private, hybrid

Question 6

Define a hybrid cloud

Answer 6

Uses both private and public cloud. Services can be placed in public or private depending on what the consumer wants

Question 7

Define the private cloud model

Answer 7

Company has control. Think of old data center where only company had access. Greater cost and lacks benefits associated with public cloud deployment. Can be on site or off site

Question 8

What are the three cloud service options?

Answer 8

IaaS - infrastructure as a service
Saas- software as a service
PaaS - platform as a service

Question 9

What service is the middle ground for consumer and cloud provider?

Answer 9

PaaS - platform as a service

Question 10

What service puts most of the responsibility on the cloud provider?

Answer 10

SaaS - software as a service

Question 11

What are the responsibilities that are always retained by the consumer in all of the services (IaaS, SaaS, PaaS)

Answer 11

Information and data
Devices
Accounts and identities