From the course: CompTIA Network+ (N10-009) Cert Prep

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Introduction to VLANs

Introduction to VLANs

From the course: CompTIA Network+ (N10-009) Cert Prep

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Introduction to VLANs

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- Now, you may or may not believe this, but while I was on my way to becoming a super computer nerd, I used to work in the restaurant industry. In fact, I'm pretty sure I troubleshooted some of their POS systems to kind of help 'em out with things. So let's create a scenario here. Let's say there's a restaurant that has a network and they're using one switch. And what they have is they want to have their POS systems and their computers all connected to the switch, but they also want their guests to be able to access wifi. So they have a wireless access point plugged into the same switch. So now at this point, all devices connected to the switch are on the same broadcast domain. The problem is you have Elliot, the evil cat with a major antenna sitting in the parking lot trying to sniff the network, intercept packets, and try and do bad stuff to the network. And invariably what could happen is that while he's accessing the wireless access point, he could also be getting to the POS…

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