Correct Answers.
What is cloud computing? - Answer Internet-based computing where shared resources,
software, and information are provided to devices and computers on demand. (pay-for-what-
you-use model)
Cloud computing is a general term for what? - Answer Anything that involves delivering
hosted services over the Internet.
Services hosted over the internet are broadly divided into 3 categories. What are they? - Answer
-Infrastructure-as-a-Service (IaaS)
-Platform-as-a-Service (PaaS)
-Software-as-a-Service (SaaS)
How does cloud service differentiate from traditional hosting? - Answer -Sold on demand
(typically by the minute or hour)
-User can have as much or as little of the service as they want at any given time
-Service is fully managed by the provider (User only needs a PC and Internet access)
What is a public cloud? - Answer Public cloud sells services to anyone on the Internet (e.g.
Amazon Web Services)
What is a private cloud? - Answer A proprietary network or data center that supplies hosted
services to a limited number of people
What is the goal of cloud computing? - Answer Provide easy, scalable access to computing
resources and IT services
What does Infrastructure-as-a-Service cloud computing provide? - Answer Provides virtual
server instances with unique IP addresses and blocks of storage on demand. (e.g.
Dropbox/Amazon Web Services)
What does Platform-as-a-Service cloud computing provide? - Answer Set of software and
product development tools hosted on the provider's infrastructure. Developers can create
applications on the provider's platform over the Internet (e.g. Force.com, GoogleApps)