Sec4: Bridge, Switch

CCNA 200-125, ICND1, Sec. 3: Hubs, History, and Why Hubs Are History

The bridge will down the size of the Collision Domain and increase the number of Collision Domain.

Which is lead to more stable network.

Bridge work as 2-port switch in wired network

But the size of Broadcast domain is same.

A switch connection will give you 1 collision domain per pc.

Hub: 1 Collision domain, 1 broadcast domain

Hub with Bridge: 2 collision domain, 1 broadcast domain

Switch: 4 collision domain, 1 broadcast domain/ broadcast domain can be logically segmented by vLAN