Networking

A MAC address (Media Access Control) is a unique identifier assigned to a network device’s NIC (Network Interface Card). It’s also known as a Physical Address, Hardware Address, or Burnt-in-Address. The MAC address is represented in hexadecimal formats, such as 00:0a:95:9d:67:16, and is 12 digits long (48 bits). The first 24 bits are for the …

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A switch is a networking device that connects multiple computers/network devices and enables the communication between them. It operates at the data link layer (layer 2) of the OSI (Open Systems Interconnection) model and works in full-duplex mode, allowing network devices to send and receive data simultaneously. The switch maintains a record of the MAC …

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