Computer Science
What is hub ? What are its types ?
Computer Networks
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Answer
A hub is networking device having multiple ports that are used for connecting multiple computers or segments of a LAN together. Hubs are of two types:
- Active hubs — They electrically amplify the signal as it moves from one connected device to another. Active concentrators are used like repeaters to extend the length of a network.
- Passive hubs — They allow the signal to pass from one computer to another without any change.
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