220-801 · Question #620
Which of the following would BEST segment a LAN while providing additional network ports?
The correct answer is C. Switch. A managed or unmanaged switch segments a LAN into separate collision domains per port and simultaneously provides multiple ports to connect end devices.
Question
Which of the following would BEST segment a LAN while providing additional network ports?
Options
- AAccess point
- BModem
- CSwitch
- DHub
How the community answered
(18 responses)- B6% (1)
- C89% (16)
- D6% (1)
Why each option
A managed or unmanaged switch segments a LAN into separate collision domains per port and simultaneously provides multiple ports to connect end devices.
A wireless access point extends a LAN over Wi-Fi and adds wireless clients but does not segment the wired LAN or add wired network ports.
A modem connects a LAN to a WAN or ISP service and does not segment the internal LAN or provide additional internal network ports.
A switch operates at Layer 2 and creates a dedicated collision domain for each connected port, which segments traffic and reduces collisions compared to a hub. Each port also represents an individual connection point, so a 24-port switch both segments the LAN into 24 domains and provides 24 additional connection ports for workstations, printers, and other devices - directly addressing both requirements in the question.
A hub repeats all traffic to every port, creating a single shared collision domain rather than segmenting it, and offers no performance or traffic isolation improvement over a direct connection.
Concept tested: Switch LAN segmentation and port expansion
Source: https://learn.microsoft.com/en-us/windows-server/networking/technologies/network-subsystem/net-sub-interface-overview
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