Ethernet is a technology for local local area network (LAN) developed by Xerox with support of Intel and Hewlett-Packard. Nowadays, it is practically a standard for wire-based local networks - because of its simplicity and low cost of market it pushed alternative technologies like ATM, ARCNET or FDDI.
Technically, the ethernet network is standardized as IEEE 802.3. For data transmittion Ethernet is using:
- Coaxial cable
- Twisted-pair cables
- Optical fiber
How ethernet looks like and what it is?
Ethernet is used for building the foundations of a local computer network, which is supplemented example with wireless (wifi) or optical network. Simply put, the Ethernet is the cable part of LAN. Ethernet cables are the data cables connecting your computer if you are not connected wirelessly via Wifi.
Wifi network is not Ethernet.