N10-005 · Question #604
Which of the following is a purpose of a VLAN?
The correct answer is B. Segments broadcast traffic. A VLAN (Virtual Local Area Network) logically segments a physical network into separate broadcast domains, containing broadcast traffic within each VLAN.
Question
Which of the following is a purpose of a VLAN?
Options
- ADecreases bandwidth on a network
- BSegments broadcast traffic
- CIncreases port speed
- DAllows another connection to the router
How the community answered
(30 responses)- A3% (1)
- B93% (28)
- D3% (1)
Why each option
A VLAN (Virtual Local Area Network) logically segments a physical network into separate broadcast domains, containing broadcast traffic within each VLAN.
VLANs do not decrease total available bandwidth; they can improve effective bandwidth utilization by reducing broadcast overhead and isolating traffic.
VLANs divide a single physical switch into multiple logical broadcast domains. Broadcast frames sent by a device are contained within its VLAN and not forwarded to other VLANs, reducing unnecessary broadcast traffic and improving overall network performance and security.
VLANs are a logical segmentation technology and have no effect on the physical port speed of switch interfaces.
VLANs do not create additional connections to a router; inter-VLAN routing requires either a router-on-a-stick configuration or a Layer 3 switch, which is a separate design decision.
Concept tested: VLAN broadcast domain segmentation
Source: https://learn.microsoft.com/en-us/azure/virtual-network/virtual-networks-overview
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