From the course: CompTIA CySA+ (CS0-002) Cert Prep: 4 Software and Systems Security
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VLANs
From the course: CompTIA CySA+ (CS0-002) Cert Prep: 4 Software and Systems Security
VLANs
- [Instructor] Virtual LANs, or VLANs, are an important network security control. VLANs allows us to logically group together related systems on a network, regardless of where they normally exist on that network. When we create diagrams of our desired network layouts, they typically look something like this, with different functional groups having different network locations. Users in the accounting department all share a network that is separate from users in the sales departments and those in the IT department. If our building and floor layout matched this network diagram exactly, we'd be all set. More often than not however, we find ourselves in situations where users from different departments are mingled together, and those departments are spread across multiple buildings. That's where virtual LANs come into play. We can use them to connect people who are on different parts of the network to each other, and also to…
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