Public and Private IP addresses explained. What is NAT.

Any networked device (computer, server, printer, router etc), needs an IP address to communicate either on the Internet or on its local area network (LAN). Especially for internet communication, this IP address has to be unique, in order to avoid address conflicts. The IP address that is used by a device to communicate on the […]




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Computer Networks Overview

The term networks (communication networks) generally refers to systems hardware, software and services / opportunities, aimed at transmission and routing data and to transfer information between electronic / channels (such as various types of computers, terminals, telephones) . The term includes the various technologies telecommunications networks computer networks (local (LANs), Metropolitan (MANs), wide area (WANs) […]




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What is Virtual Private Network (VPN)

This online quiz is a series of essential questions about VPNs. Although many of the technical details of VPNs are hidden from the casual user, several aspects of the technology directly affect the “user experience,” and it is important to understand these. Students, networking professionals, corporate employees, and anyone else interested in the basic technology […]




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The base of IP Networks – OSI Model

Please Do Not Throw Sausage Pizza Away !!! You might be wondering what I am talking about, but take a closer look at the Red letters above…Yes you are right, these are the first letters of the 7 Layers of the OSI Model, the fundamental building block of TCP/IP Networks. The 7 Layers of the […]




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How to access remotely your internal network

Remotely Accessing your internal network and data is sometimes mandatory and can be used for a variety of reasons. Maybe you are outsourcing some of your business to an external partner, maybe you require external technical support, or you may have employees on the road or tele-workers that require access to internal data and resources […]




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The Base of TCP/IP Networking

A few years ago there was a big hype about “being online”. Everyone had to be online and there wasn’t one day where you didn’t have to be afraid that you missed the coolest and newest technology. This was just the TCP/IP layer and it was already well known for over 20 years back then. […]




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