CIS225_5.3_VLANs_Corey_Adams

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ECPI University, Greensboro *

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Computer Science

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Jan 9, 2024

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CIS 225 – 5.3 VLANs How do VLANs benefit a company? 1. VLANs can limit user access to a certain VLAN, which then allows only authorized users to have access to networks with highly sensitive information. 2. VLANs can be used for different groups of users, departments, functions, etc., without needing to be in the same geographical area. Why are VLANs used? 1. A VLAN allows different computers and devices to be connected virtually to each other as if they were in a LAN sharing a single broadcast domain. 2. VLANs can help reduce IT cost, improve network security and performance, provide easier management, as well as ensuring network flexibility. Do VLANs affect network security? Explain. VLANs offer the ability to keep data packets from multiple networks separated. Organizations who wish to utilize wireless Internet in their workspace, yet still wish to maintain a private and secure network can utilize VLANs to achieve this goal. On a company’s switch, a VLAN can be created specifically for the new wireless network of 192.168.1.X. These ports on the switch associated with the wireless VLAN would communicate only to the Internet and traffic would never pass between the two networks. A router would need to be placed in the middle of these two networks for the two to communicate. As a switch does not function as a router, the packets pass only to those ports associated with the same VLAN and function as if there are two physical networks in place.
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