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Multiple Choice

Hub in this context is described as what when a message is sent?

When a message is sent through a hub, it is broadcast to all devices connected to that hub. A hub operates at the physical layer and simply repeats whatever it receives on one port to all other ports, without checking destination addresses. Because of this, every connected device hears the message, though only the intended recipient will process it; the others ignore it because the destination MAC doesn’t match. This is why a hub is described as broadcasting rather than delivering to a single final recipient. It also helps to remember that hubs share the same collision domain, which can affect network performance. The idea that a hub saves data in a database or encrypts end-to-end isn’t how hubs work, and routing to a specific final recipient isn’t handled by a hub.

When a message is sent through a hub, it is broadcast to all devices connected to that hub. A hub operates at the physical layer and simply repeats whatever it receives on one port to all other ports, without checking destination addresses. Because of this, every connected device hears the message, though only the intended recipient will process it; the others ignore it because the destination MAC doesn’t match. This is why a hub is described as broadcasting rather than delivering to a single final recipient. It also helps to remember that hubs share the same collision domain, which can affect network performance. The idea that a hub saves data in a database or encrypts end-to-end isn’t how hubs work, and routing to a specific final recipient isn’t handled by a hub.