JN0-281 · Question #26
Which statement about switches is correct?
The correct answer is B. Every port is in a unique collision domain. Each port on a modern switch creates a separate collision domain. This allows multiple devices to communicate simultaneously without collisions on different ports. Collision Domain: A collision domain is a network segment where data packets can collide if two devices send…
Question
Which statement about switches is correct?
Options
- AEach port is a member of VLAN 2 by default.
- BEvery port is in a unique collision domain.
- CEach port is in a unique broadcast domain by default.
- DAll ports reside in the same collision domain.
How the community answered
(15 responses)- B93% (14)
- C7% (1)
Explanation
Each port on a modern switch creates a separate collision domain. This allows multiple devices to communicate simultaneously without collisions on different ports. Collision Domain: A collision domain is a network segment where data packets can collide if two devices send packets simultaneously. On a switch, each port creates a separate collision domain, so collisions only occur if two devices connected to the same port (through a hub, for instance) try to send data at the same time. Switches vs Hubs: Unlike hubs, which have one large collision domain, switches isolate collisions to individual ports, improving performance.
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