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Question

By Dennis McCafferty

Question

This type of Cloud Service is a subset of Hardware as a Service and is most likely to involve sharing products such as firewalls or virtual private network hardware.

Answer

Infrastructure as a Service (Iaas)

Question

Which open standard allows users to share private resources stored on one site with another site, without having to hand out credentials, username or password? (Hint: This is widely used by Twitter.)

Answer

Open authorization, or "oAuth" if you want to talk like your tech folks.

Question:

What is a popular framework for writing Web applications that are language-independent?

Answer

Web Service Gateway Interface (WSGI). It defines how headers, data and URL parameters are passed into a script no matter what language it's written in.

Question

Which method of scaling requires you to add more machines to your app, as opposed to adding hardware to the same machine?

Answer

Horizontal scaling. (We'll also accept the answer, "scaling out.")

Question

Which guideline requires you to use only lowercase alphanumeric characters, starting with a letter, and dashes in domain names?

Answer

DNS Safe. (And don't think about using underscores either, because they're not supported.)

Question

What are a set of instances that all perform the same function, and allow for more instances to be added in order to scale out?

Answer

An auto-scaling group, a configuration that automatically scales up or down based upon a pre-specified set of triggers provided, such as CPU utilization. (Got all of that?)

This article was originally published on 05-26-2011