Collision vs Broadcast Domains

Collision domain: where frames can collide (only relevant for half-duplex). Broadcast domain: where broadcasts (ff:ff:ff:ff:ff:ff) get forwarded. Collision domain A network segment where two devices can transmit simultaneously and cause collisions. OSI layer: L1/L2. Technology: Ethernet (CSMA/CD — historical). Hub → one big collision domain Switch → one collision domain per port Router → separates […]