Hi i need help with an assesment from my course
We have to find a local business and get some info regarding there network

*The NOS or NOSes Used (Network Operating Sytem)
*The uses made of them - Why is the business networked at all?
*The Size of the network - Clients ,Servers How Many?
*The types of clients
*If there is more than one type of client,what is each used for?
*Are any computers not networked?
*How are backups managed? and how often are they done?
*How many staff are involved in maintaining and operating the network?

I have emailed lots of companies some havent emailed back some have and said they dont wish to share that information.
I even went to a couple of computer stores and they were no help :( if any one could be of help it would be much apprieciated
thanks