When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Figure 1. A screen capture of an exchange between a desktop computer and a DHCP server. Click ...

What is a computer network? That’s not a question you hear on a regular basis, but it is important, nonetheless. Without computer networks, the internet wouldn’t be as efficient as it is today ...

For network admins and network security professionals, one of the most important tools to learn to use is Wireshark (formerly Ethereal), a free and open source network analyzer/packet sniffer ...

Network and computer systems administrators are responsible for the day-to-day operation of an organization's computer networks.

Computer systems administrators set up and maintain an organization's computer servers. In a single day, they may encounter stacks of servers, dozens of crisscrossing network cables and major ...