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What does an Ethernet hub do?

An Ethernet Hub connects broadcasts signals to computers within a Local Area Network (LAN) through a process called frame flooding, also known as unicast. It is like one big blast. A Hub does not differentiate between MAC addresses, and indeed cannot. It does not have the software required to identify specific targets.

A hub is essentially an unintelligent device. Each incoming bit is replicated on all other interfaces.

A hub is the easiest and least expensive way to construct a network of personal computers together.

One problem with hubs is the unnecessary traffic due to the spammy transmission process. It’s also not secure because it can send data that is not intended for all end-users. A hub generally has 4 to 12 ports.



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