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⟩ What is difference between Switch & Hub?

Switch:

Switches operate at Layer 2 Data Link Layer

Address Learning

Forward / Filter decision using MAC address

Loop Avoidance

Breakup collision domains

Switches create separate collision domains but a single broadcast domain

Hub:

Hub operates at Layer 1 Physical Layer

No Filtering

No Addressing

Hub creates single collision domain and single broadcast domain

Make forwarding to all the ports when signal is arrived

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