An Introduction to Ethernet Switching
When you stop to think how well the internet is put together, you start to wonder how the internet coexists with all the chaos that results from broadcasts, data collision, …
A Guide to Network Topology
A network topology is how computers, printers, and other devices are connected over a network. It describes the layout of wires, devices, and routing paths. Essentially there are six different …
The Differences Between LANs, MANs and WANs
There are several types of computer network designs- you are more than likely familiar with the LAN, or local area network. But the fun doesn’t stop there- we have MANs, …
A Brief Overview Of Networking Media
There is all sorts of networking media lying around for the taking. We have copper-base media, optical fiber, and the new contender: wireless. This article covers a brief overview of …
Carrier Sense Multiple Access Collision Detect (CSMA/CD) Explained
First thing is first: save yourself some trouble and remember that carrier sense multiple access collision detect is best referred to as simply CSMA/CD. We’ve heard some ridiculously long terms …
How Kerberos Authentication Works
You may not know it, but your network is probably unsecured right now. Anyone with the right tools could capture, manipulate, and add data between the connections you maintain with …
How to Prevent Denial of Service Attacks
The denial of service attack is statistically the most used malicious attack out of them all. This stems from the ease of use of the attack, as well as the …
How the Application Layer Works
In the previous section we reviewed several aspects of the Transport Layer. We learned a great deal of information; covering sockets, ports, TCP, UDP, segments, and datagrams. Now we will …
How the Transport Layer Works
In the previous section we took a look at the Internet Layer. We took apart the IP header information, reviewed IP addresses and routing information, and briefly discussed ARP and …
How the Internet Layer Works
In the previous section, we learned about the Network Access layer. Essentially we learned more about the anatomy of a frame, physical addressing, and what exactly the physical layer accomplishes. …