4. Please show all work! Switched virtual circuit transmission overhead could be high to send a small amount of information. Assume the distance as 4,500 km, the propagation speed as 200 meters per microsecond and OC3 payload of 150.336 Mbps with 5.184 Mbps overhead.     Calculate the minimum time to transmit one ATM cell from Miami to San Francisco on a basic SONET network OC-3 for the following cases: (a) Datagram service  (b) Switched virtual circuit service  (c) Permanent virtual circuit service

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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.