Ethernet

Ethernet is a type of local area network (LAN) technology used for connecting devices to a network. It was invented in the 1970s by Robert Metcalfe and David Boggs. Here are some key aspects of Ethernet:

1. Physical connection: Ethernet uses twisted-pair or fiber optic cables to connect devices.
2. Protocol: Ethernet uses the IEEE 802.3 protocol standard.
3. Data transfer: Ethernet transfers data in frames, with a maximum frame size of 1518 bytes.
4. Speed: Ethernet speeds range from 10 Mbps (Megabits per second) to 400 Gbps (Gigabits per second).
5. Topology: Ethernet networks can be configured in star, bus, or ring topologies.
6. MAC addresses: Each Ethernet device has a unique MAC (Media Access Control) address.
7. IP addresses: Ethernet devices can be assigned IP addresses for network communication.

Ethernet is widely used in:

1. Local area networks (LANs): Connecting devices within a building or campus.
2. Wide area networks (WANs): Connecting LANs over larger distances.
3. Internet connectivity: Ethernet is often used for internet connections.
4. Industrial networks: Ethernet is used in industrial control systems, such as SCADA and automation.

Some common types of Ethernet include:

1. Fast Ethernet (100BASE-TX): 100 Mbps
2. Gigabit Ethernet (1000BASE-T): 1 Gbps
3. 10-Gigabit Ethernet (10GBASE-T): 10 Gbps

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Source: LinkedIn

Credits: Mr. Ashish (Ak Yadav) Yadav