The designers of IP addressing reserve many IP addresses for special uses. From loopback to private IP addresses, a good tech understands these special addresses as well as when and how to use them.
in particular, static IP addressing, … and that young person came up to me and said, "Mike, … "I don't think I've ever had to type in an IP address." … I'm like well, that's right. … You probably never have because a long time ago, … we came up with a way to provide dynamic IP addressing … known as Dynamic Host Configuration Protocol or DHCP. … DHCP works simply like this. … or default gateways anymore. … You just fire up your computer, … you plug it into a network, … and something on the network will give you that information. … We call that a DHCP Server. … Let me show you how that works. … So here I've got a Local Area Network … and I've got some computers in here. … Now, one of the things that I'm going to add … is a DHCP Server. … What's interesting is that most of the time, … these home routers that we have on our networks … will also act as a DHCP Server. … So what it does is actually quite simple. … When any of the computers inside your Local Area Network, … when they first get turned on, or if you reboot them, …
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- How TCP and IP work together
- Special IP addresses
- Port numbers
- Working with DNS
- Basic and advanced router configuration
- Troubleshooting networks
- Connecting to a Wi-Fi network
- Repairing wireless connections