Module 1

Question 1

What are the three cloud services?

Answer 1

IAAS, PAAS, SAAS

Question 2

What are the three cloud models?

Answer 2

Private, Hybrid and Public

Question 3

Explain the shared responsibility model.

Answer 3

The responsibility of the CSP and customer changes depending on the type of cloud service that is being used.

Question 4

whats the SRM like in IAAS

Answer 4

CSP provides networking, storage and compute. Manges staff, hardware and datacenter. Example, Azure virtual machines

Question 5

whats the SRM like in PAAS

Answer 5

Customer is responsible for deployment and management of apps. CSP manages Runtime, middleware and OS. Example, Azure SQL Database.

Question 6

whats the SRM like in SAAS

Answer 6

Customer just configures features.

Example, office365

Question 7

benefits of cloud computing

Answer 7

Cost-effective, global, secure, scalable, elastic and always current

Question 8

Describe public cloud

Answer 8

Running everything on service providers hardware.

Question 9

Describe private cloud

Answer 9

cloud computing in on premise datacenters

Question 10

what are the advantages of private cloud?

Answer 10

Legacy support, control and compliance.

Question 11

Describe hybrid cloud

Answer 11

Combines private and public cloud. Biggest advantage is flexibility. You can run your app on premise or on service providers hardware.

Question 12

Scalability

Answer 12

The ability of a system to handle growth of users or work.

Question 13

Elasticity

Answer 13

The ability of a system to automatically grow and shrink based on app demand

Question 14

Agility

Answer 14

The ability to react quickly to changes in demand without manual intervention.

Question 15

Economies of scale

Answer 15

The ability to do things more efficiently or at a lower cost per unit when operating at a larger scale.

Question 16

capital expenditure (apEx)

Answer 16

spending of money on physical infrastructure up front

Question 17

Operational Expenditure (OpEx)

Answer 17

spending money on services or products now and being billed as you go.

Question 18

Consumption-based model

Answer 18

Pay for what you use, typically based on units of time or capacity

Question 19

Fault Tolerance

Answer 19

The ability of a system to handle faults in a service like power, network or hardware failures. Component-level failures

Question 20

High Availability

Answer 20

The ability to keep services up and running for long periods of time. Service level failures.

Question 21

Disaster recovery

Answer 21

The ability to recover from an event which has taken down a cloud service.