What is the best for a domain server with 4 computers backed onto it

We have an office with 4 computers and are planning to buy a server, but dont know which software is best.

Which of these are best for basic functionality and security;

1) Windows 2003 Server Standard                  
2) Windows 2003 Server Enterprise                        
3) Windows 2003 Server Datacenter                            
4) Windows 2003 Server Web
5) Windows 2000 Server
6) Windows 2000 Advanced Server
7) Windows 2000 Datacenter
8) Windows NT 4.0 Workstation
9) Windows NT 4.0 Server

Also what is the best way to backup onto a second hard drive.  Can i get a PCI raid controller, and a second drive? will that do it?

thanks

Mat

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auraorangeAsked:
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EmpKentConnect With a Mentor Commented:
Windows 2003 Server is the most recent. It will also be supported for a few years to come whereas the Win2K and NT OS' will lose support as they get older.

For a small network like yours, the Standard edition is probably just fine but you may also want to look at Small Business Server from Microsoft which bundles a number of their server products together. What NOS you choose depends on what you want the server to do. If it is just to provide a file share and share a printer, WinXP Pro might be all you need.

Depending on the type of RAID you implement, you can have your data spread across two drives which will protect you in the event of a hgard drive failure but this should not be considered a "back-up". Any natural disaster, theft or hack/virus that damages the data on one drive will take out the other at the same time. RAID can add performance and insurance but it is not a back-up.

Get a tape drive or into the habit of archiving to CD on a very regular basis.

Kent
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auraorangeAuthor Commented:
whats the difference (apart from price) between a tape drive and a zip drive?  The files we have are very confidendial, but only about 30 mb per computer (X4) so would a zip drive be any use?
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EmpKentCommented:
Not much difference apart from size of media. I think you can get Zip drives now that are 750MB but I don't know the cost. Tape would be overkill in this case, I think. You would probably be fine with a $40 CD-RW.

Neither medium offers confidentiality. You would need to ensure that the media is secure as anyone that got their hands on it could read the data. Even if you encrypt it, a sufficiently motivated person, in time, will crack it.

Kent

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auraorangeAuthor Commented:
thanks Kent!
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