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Sick of Spam?

We looked at lots of spam blockers for average users and came up with the best two.
Best Spam Blockers

Inkjet Printer Cartridges

If you are in the market for compatible inkjet printer cartridges you should check out our Editor's  reviews of the best cheap inkjet printer cartridge sites.

We've bought inkjet printer  cartridges from all the sites listed and can attest to the quality of service offered.

Windows Backup Software

We looked at 18 of the best selling Windows backup software products and recommend five. But only one, get his "Editor's Choice"

The Best Windows Backup Software

 

 

 

Understanding the OSI 7 Layer Model

A full length explanation of the OSI 7 layer model including the role of each layer and of the stack.

This model defines how applications running upon network-aware devices may communicate with each other. The model is generic and applies to all network types, not just TCP/IP, and all media types, not just Ethernet. 

By Neil Briscoe

To read this article click here.

Note This article is in Adobe PDF format. To read it, you need the free Adobe Acrobat Reader. If you don't have the reader, click here)

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