JKSSB Mock Tests

What is the main difference between a hub and a switch?

A. A switch sends frames only to the specific destination port; a hub broadcasts to all ports
B. A hub is faster than a switch
C. A switch operates at Layer 1, hub at Layer 2
D. There is no difference
Answer: Option A
Solution (By JKSSB Mock Tests Team)
A hub repeats data to all ports, causing collisions; a switch learns MAC addresses and forwards intelligently.
This Question Belongs to: Computer mcqs Computer set 3

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