Discuss the functions of switches in computer networks and how they operate at the data link layer (Layer 2) of the OSI model. Compare and contrast managed and unmanaged switches.

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Network transmission cabling

A network is a collection of devices connected by communication links. A device can be a computer or any instrument capable of sending and receiving data or information formed by other nodes toward the network. A channel that connects people or things is known as a network. It sends the data from one place to another. It is the basic concept of a computer, network, and data communications.