What is a broadcast domain and collision domain?

A broadcast domain is a logical division of a computer network in which all devices can receive broadcast messages addressed to them. Broadcast domains are typically divided by routers, which prevent broadcast traffic from being transmitted to different networks.

A collision domain is a logical division of a computer network in which devices share the same communication channel. In a collision domain, multiple devices can send data simultaneously, which can result in collisions. Collisions occur when two or more devices attempt to transmit data at the same time, which can cause data to be lost or garbled. A switch can be used to create smaller collision domains by separating devices onto separate switch ports, which allows for more efficient network communication.

Overall, broadcast and collision domains are important concepts in computer networking, and understanding them is essential when designing and managing computer networks.