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Multiple Choice

What is a benefit of using VLANs in a network?

Using VLANs to enhance security by isolating traffic is a key benefit of this technology. By segmenting a network into different VLANs, which can represent departments, user roles, or even security levels, traffic between these segments can be controlled and restricted. This means that users on one VLAN cannot directly communicate with users on another VLAN without going through a router or switch configured to permit this communication. This isolation helps prevent unauthorized access and potential data breaches, as sensitive information can be restricted to certain VLANs, effectively containing traffic and limiting exposure to only those who require access. In addition to enhancing security, VLANs can also contribute to improved network performance by reducing broadcast domains. This limits the amount of broadcast traffic that each VLAN experiences, which can be beneficial in large networks where broadcast traffic can lead to congestion and slower performance. While VLANs can potentially reduce hardware requirements by allowing multiple logical networks on a single switch, that is not the primary security benefit. The physical layout may not be simplified in every case; VLANs can sometimes complicate the network's physical design depending on how they are implemented. VLANs still require IP addressing for each logical segment, as IP addressing is essential for communication in Layer 3 networks. Thus, while VLANs offer

Using VLANs to enhance security by isolating traffic is a key benefit of this technology. By segmenting a network into different VLANs, which can represent departments, user roles, or even security levels, traffic between these segments can be controlled and restricted. This means that users on one VLAN cannot directly communicate with users on another VLAN without going through a router or switch configured to permit this communication. This isolation helps prevent unauthorized access and potential data breaches, as sensitive information can be restricted to certain VLANs, effectively containing traffic and limiting exposure to only those who require access.

In addition to enhancing security, VLANs can also contribute to improved network performance by reducing broadcast domains. This limits the amount of broadcast traffic that each VLAN experiences, which can be beneficial in large networks where broadcast traffic can lead to congestion and slower performance.

While VLANs can potentially reduce hardware requirements by allowing multiple logical networks on a single switch, that is not the primary security benefit. The physical layout may not be simplified in every case; VLANs can sometimes complicate the network's physical design depending on how they are implemented. VLANs still require IP addressing for each logical segment, as IP addressing is essential for communication in Layer 3 networks. Thus, while VLANs offer