Hub
A basic networking device that connects multiple computers or other network devices together
How the two types of network cables work
Ethernet cables made out of copper transmit electrical signals and fiber optic cables transmit light pulses
Drawbacks of a hub
When a hub receives data from one device it broadcasts the data to all of the other connected devices regardless of its intended recipient this can cause network congestion and inefficiency
Repeater
Devices that extend the range of a network by amplifying the signal