A network administrator is designing a new office LAN using Ethernet. The primary goal is to minimize collision domains to ensure efficient communication by providing a separate collision domain for each connected device. Which of the following network designs should the administrator implement to achieve this?
To meet the requirement of creating a separate collision domain for each device, the administrator should implement a star topology using a central switch. A switch operates at the Data Link layer (Layer 2) and intelligently forwards traffic only to the intended destination port, unlike a hub which broadcasts traffic to all ports. By giving each connected device a dedicated port and a separate collision domain, a switch significantly reduces traffic congestion and eliminates collisions, which enhances overall network performance. A star topology with a hub would place all devices into a single, large collision domain, defeating the primary goal. Bus and ring topologies are outdated and also have inherent issues with shared media and collisions.
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What are collision domains and why are they important in networking?
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How does a switch function differently from a hub in a star topology?
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