The 802.11 standard isn’t the only wireless standard out there today. Standards such as Bluetooth, RFID and even infared are still out there and need the support of good techs.
Everything I have in front of me right now is a router. … Routers are devices that filter and forward traffic … based on IP addresses. … Routers are the magic tools that we use … to interconnect local area networks. … So let's take a moment and think about … how routers really work. … So I've got one little router here, … the internet service provider, … and in this particular example, … it's connected to 18.104.22.168 network, … and he's 22.214.171.124. … If we zero in on the router itself, what we're going to have, … I'll have my router, … and here are my two connections with their IP addresses. … Rule number one, routers don't care … where any packets come from. … So let's say a packet's coming in from the internet … and its coming in on 126.96.36.199. … The moment that comes in, … your router has built into it or you program it in, … called a routing table. … The routing table tells the router where to send stuff. … So in this particular example, this incoming packet … is designed for the network …
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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