SOHO wireless routers may be the most common network devices in the world, so it’s important that you understand some of the more detailed configuration settings. In this video, you’ll learn about wireless channels, encryption, NAT, port forwarding, port triggering, IP addressing, DMZ ports, QoS, and more.
When installing or troubleshooting a Linux device, it’s useful to know how the operating system is configured to work with the physical hardware. In this video, you’ll learn about the /proc file system and how to examine interrupt request channels (IRQs), I/O addresses, and DMA channels of the hardware in your Linux workstation.
The wireless standards are a mix of different wireless channels, frequencies, and modulations. In this video, you’ll learn how each wireless standard uses the wireless spectrum.