Question: What is collision and how to solve it?

Collision is very normal in Ethernet network where only one networking device can send data at one time. When 2 computers send the information (frame) out at the same time same instance, the frames collide and create the collision. The collision will cause the packet lost and fail the transmission.

Any method to solve this collision problem? Don't worry! CSMA-CD (Carrier Sense Multiple Access with Collision Detection) control mechanism is applied for enabling packet re-transmission after detecting the collision.

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