Dynamic Host Configuration Protocol (DHCP) Intro

Let’s imagine you’re a system administrator at a large company. You are implementing a new network of several hundred computers. All is fine and well until you realize: you have to manually input every single IP address, subnet mask, and gateway settings onto every single computer. You’re paid well, but maybe not that well. For those of us who don’t […]

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10 drawbacks to working in IT

By Brien Posey November 22, 2011, 1:21 PM PST Takeaway: People who are trying to break into IT don’t always know what they’re getting into. This list paints a realistic picture of what may lie ahead. Like most IT pros I know, I occasionally have friends or family ask me to get them a job in IT. For some reason, […]

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How to Subnet a Network

A properly designed subnet can do wonders for the security and performance of a network. The main idea in subnetting is to divide a network into smaller pieces, which we call subnets. Actually implementing a subnet is typically more difficult than simply using the default subnet mask of 255.255.255.0. This usually means that temporary or smaller networks do not need […]

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