A regular ping command is great for checking if Host A can see Host B, but what if we want to go a bit deeper- for example check if a web server is contactable on port 80 and 443? The PowerShell cmdlet Test-NetConnection is a great tool for doing this.

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10BaseT and 100BaseT networks use Cat5 twisted pair cable and RJ45 connectors to join computers to hubs or switches. This post details how to wire the connectors.

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