What is SWITCH | Intercommunication Network Infrastructure Device [Hindi] | Networking Course #25

What is SWITCH | Intercommunication Network Infrastructure Device [Hindi] | Networking Course #25
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In networking, a switch is a device used to connect devices together within a local area network (LAN). It operates at the data link layer (Layer 2) of the OSI model and is commonly used to connect multiple devices, such as computers, printers, servers, and other networking hardware, to form a network.
Switches use MAC addresses to forward data to the appropriate destination device. When a switch receives data from one device, it examines the destination MAC address and forwards the data only to the port where the destination device is connected. This process helps to reduce network congestion and improve overall efficiency compared to older network technologies like hubs, which simply broadcast data to all connected devices.
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