Ethernet :
It is used to connect computing devices together directly. example : network switch, hub or router.

coaxial cable :
It is commonly used as television broadcasting. It uses electromagnetic waves inside the cable, between center conductor and shield. It provide high speed and high frequency levels.

optic fiber cable :
It is consists of a center glass core surrounded by several layers of protective material. It is more expensive, higher band width, and cover longer distances.
The Brainliest Answer!
Ethernet-: It is used to provide connectivity in different computing devices.

Coaxial-: Thin coaxial cable is often referred to as ThinNet. It consists of a copper wire surrounded first by a layer of plastic, then a layer of metal mesh and a final layer of protective plastic. It is used for peer-to-peer networking.
Early networks used coaxial cable to connect computers together. Many LANs were built with coaxial cable. It is often referred to as ThinNet. Maximum Bandwidth 10 megabits per second.  

Fiber Optic Cable-: Fiber optic cable uses light to transmit information across a network. The core of the cable is made of glass, which is protected by a layer of gel or plastic. A plastic cover surrounds the entire cable. Maximum Bandwidth 10 Gigabits per second currently, though 1.6 Terabits per second is being tested.
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