Benefits of VLANs | Cisco CCNA Exam 200-125

Benefits of VLANs

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Question

Which of the following are benefits of VLANs? (Choose three.)

Answers

Explanations

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A. B. C. D. E. F.

BCE

The correct answers are B, C, and F.

A VLAN, or Virtual Local Area Network, is a logical grouping of devices on a network, regardless of their physical location. VLANs offer several benefits, including:

B. Logical grouping of users by function: With VLANs, you can group devices by function, department, or any other criteria you choose. This allows for better management of the network, as well as increased security and control.

C. Enhanced network security: VLANs can be used to segment a network into smaller, more secure groups, making it more difficult for unauthorized users to access sensitive data or resources. For example, you might create a VLAN specifically for your finance department, with restricted access to other areas of the network.

F. Simplified switch administration: With VLANs, you can manage your network more efficiently by grouping devices together logically, rather than physically. This means you can configure VLANs based on specific needs or requirements, rather than having to physically move devices around on the network.

On the other hand, the other answers are incorrect:

A. Increasing the size of collision domains: VLANs do not increase the size of collision domains. In fact, they can reduce collisions by separating devices into smaller broadcast domains.

D. Increasing the size of broadcast domains while decreasing the number of collision domains: This statement is incorrect. VLANs can decrease the size of broadcast domains by segmenting the network into smaller groups.

E. Increasing the number of broadcast domains while decreasing the size of the broadcast domains: This statement is also incorrect. VLANs can decrease the number of broadcast domains by segmenting the network into smaller groups.