What is a switch? How does a switch work?
A switch is used to connect a network of computers together, allowing them to communicate, share an Internet connection etc. In this article I will explain how a switch works, as well as how hubs work,...
View ArticleWhat is the OSI model? A simple explanation
This article breaks the OSI model into the bare essentials (it’s a good place to start if the OSI model is new to you). For a more in depth look, read the wikipedia entry. What is the OSI Model? It’s...
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IP and Subnet Masking
What is a subnet mask? A subnet mask mask is a logical subdivision of an IP network. When something is referred to as logical, it means that while the devices in question are physically connected to...
View ArticleDNS Explained (Domain Name Server)
Overview of DNS DNS servers are like phonebooks. Phones don’t care about names, they care about numbers. Computers don’t care about domain names, they care about IP addresses. When you go go...
View ArticleServers Explained: Software and Hardware
What is a server? A server is any computer (with any OS) that in some way serves clients. It doesn’t matter if it has a server specific operating system. As long as it’s running some sort of software...
View ArticleAn introduction to Ethernet
In this introduction to Ethernet, I will explain what it is and how it has evolved over the years. Ethernet is a family of networking technologies for LANs (Local Area Networks). It was developed...
View ArticleAn introduction to OSI and TCP/IP
About Networking Reference Models Networking is a complicated subject, and by splitting it into more manageable chunks (layers) via a reference model, understanding it becomes easier. This is why a...
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