Introduction

Question 1

Business drivers

Answer 1

Cost reduction/organizational agility/capacity planning

Question 2

Technology drivers

Answer 2

advances in hardware/computing clusters/grid computing/virtualization

Question 3

CapEx vs OpEx

Answer 3

CapEx is one time like an investment whereas OpEx is recurring and maintenance people

Question 4

Horizontal Scaling

Answer 4

Change # of servers/less expensive/instantly available

Question 5

Vertical Scaling

Answer 5

Change quality of servers/more expensive/not always instantly available

Question 6

Benefits of cloud computing

Answer 6

less capital investment/proportional cost/increase scalability, availability, and reliability

Question 7

Challenges of cloud computing

Answer 7

more security vulnerabilities/reduced control/less provider options/legal issues

Question 8

Cloud computing attributes

Answer 8

On-demand usage/ubiquitous access/multi-tenancy/elasticity/measured usage/resiliency

Question 9

IaaS/PaaS/SaaS

Answer 9

IaaS: raw resources/high level of control…PaaS: pre-defined environment/lower control…SaaS: a specific software/least control

Question 10

Cloud deployment models

Answer 10

public/private/community/hybrid