What is an API? Why do you think that companies would allow other applications t
ID: 3874114 • Letter: W
Question
What is an API? Why do you think that companies would allow other applications to access internal data for free by means of an API?
Distinguish between IaaS, PaaS, and SaaS. Name a core feature and an application of each.
How is interacting with a virtual server different from interacting with a physical server that might be located on-site?
How is a mashup different from a portal?
What role do Web services and APIs play in sharing information between applications?
Name one feature found in each of Google Documents, Spreadsheets, and Presentations that takes advantage of the fact that the application and its data both live in the Cloud.
Explanation / Answer
What is an API? Why do you think that companies would allow other applications to access internal data for free by means of an API
Answer:
API stands for Application Programming Interface. The text defines it as ‘a software module that enables software applications to interact with each other.’ Companies provide this free service in order to allow software developers the access to their business data with the developers’ projects.
Distinguish between IaaS, PaaS, and SaaS. Name a core feature and an application of each.
Answer:
IaaS: Infrastructure as a Service: provides the infrastructure for storing your files in the cloud so that you can access your data from any computer. Storing image files in Adobe’s cloud is an example.
PaaS: Platform as a Service: provides the tools for storing, running and maintaining performance of social networking and business applications online. Ipod Applications are an example.
SaaS: Software as a Service: provides you with business and consumer applications that may be used collaboratively over the internet. Google Docs is an example.
How is interacting with a virtual server different from interacting with a physical server that might be located on-site?
Answer:
A virtual server can be used from many other computers because it is not physically in one place, while a physical server can only be accessed from one computer, which gives it accessibility limitations.
How is a mashup different from a portal?
Answer:
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