From the course: CompTIA Advanced Security Practitioner (CASP+) (CAS-004) Cert Prep

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Layer 2 segmentation

Layer 2 segmentation

From the course: CompTIA Advanced Security Practitioner (CASP+) (CAS-004) Cert Prep

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Layer 2 segmentation

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- In this lesson, we're going to talk about Layer 2 Segmentation. So we're going to take a look at segmentation within our local area networks, or LANS, and we're first going to do this by looking at a concept known as VLANs, or virtual local area networks. Many switches have the ability to create these VLANs, or virtual local area networks, to create an added layer of separation and segmentation to our networks without requiring us to purchase, configure, and operate additional hardware switches. Now, when VLANs are created, this reduces the background traffic and allows the network to grow while providing different security protections to each of the different parts of our network. For example, let's say I wanted to create a VLAN for the accounting department, another one for human resources, another for the IT department, another one for my printers, and another one for my general users. By doing this, I've essentially created logical groupings of each type of user or devices that…

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