[Solved] What is the primary difference between a network switch and a hub? — Ans: A switch forwards data only to the destination device, while a hub broadcasts... | Computer Networks

Computer Networks - Physical and Data Link Layer

What is the primary difference between a network switch and a hub?

AA switch forwards data only to the destination device, while a hub broadcasts to all devices.

BA hub forwards data only to the destination device, while a switch broadcasts to all devices.

CA switch operates only at the physical layer, while a hub operates at the data link layer.

DA hub can filter traffic based on MAC addresses, but a switch cannot.

Step-by-Step Solution

Solution:

Step 1: Understand how a hub works
A hub sends incoming data to all connected devices without filtering.
Step 2: Understand how a switch works
A switch sends data only to the device with the matching MAC address, reducing unnecessary traffic.
Final Answer:
A switch forwards data only to the destination device, while a hub broadcasts to all devices. -> Option A
Quick Check:
Switch vs Hub behavior = A switch forwards data only to the destination device, while a hub broadcasts to all devices. [OK]

Quick Trick: Switches send data selectively; hubs broadcast to all [OK]

Common Mistakes:

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