Virtual LANs are common features built into almost all switches. VLANs provide some superb control of your LAN but have their own methods and quirks that a good tech understands.
- 802.11 is certainly the most dominant form … of Wireless we use today, but there are others, … so I want to talk about a couple of these in this episode. … In particular, I want to talk about RFID, … and I want to talk about Bluetooth. … Now, RFID stands for Radio Frequency Identification, RFID. … Now, RFID is very, very popular like … in warehouses and things like that, … RFID manifests as a tiny little sticker. … Now this sticker is actually a radio, … and it stores usually a few hundred bits of information, … not a lot, although there are some … versions of RFID that store more. … Anyway, the idea behind these little stickers, … I don't have a sticker on me, … so here's a picture of one of these stickers. … Now what you'll do, is you will then take the sticker … and you put in on a box or whatever you want, … and then you have these readers, and these readers … actually use the radio frequency energy to power up … these little tiny stickers, and then … the stickers have enough energy to transmit back. …
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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