Broadcast Domain , Collision and Collision Domain

Broadcast Domain

• A group of devices receiving broadcast frames initiating from any device within the group
• Routers do not forward broadcast frames, broadcast domains are not forwarded from one broadcast to another.

Collision

• The effect of two nodes sending transmissions simultaneously in Ethernet. When they meet on the physical media, the frames from each node collide and are damaged.

Collision Domain

• The network area in Ethernet over which frames that have collided will be detected.
• Collisions are propagated by hubs and repeaters
• Collisions are Not propagated by switches, routers, or bridges