What is Ethernet?
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What is Ethernet?
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Ethernet refers to a family of standards that together define the physical and data link layers of LAN. The Institute of Electrical and Electronics Engineers (IEEE) has defined different standards for Ethernet at the physical layer on the basis of speed and types of cabling. An Ethernet network comprises cables, NICs, switches, routers, etc. The most common types of Ethernet are summarized in the table below:
| Ethernet | 10-BASE-T | IEEE 802.3 | Copper | 10Mbps | 100 meters |
| Fast Ethernet | 100-BASE-TX | IEEE 802.3u | Copper | 100Mbps | 100 meters |
| Gigabit Ethernet | 100BASE-LX | IEEE 802.3z | Fiber | 1000Mbps | 5000 meters |
| Gigabit Ethernet | 100BASE-SX | IEEE 802.3z | Fiber | 1000Mbps | 550 meters |
| Gigabit Ethernet | 1000BASE-T | IEEE 802.3ab | Copper | 1000Mbps | 100 meters |
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