An office with 7 rooms will connect with electric wire. All possible connecting are showed in a graph below. How many meters the minimum total cable length needed to connect all rooms? B wmm mm ww ww m ww 10 20 15 10 25 A 40 20 G 30 20 5 20 E 1. O 65 m 2. O 45 m

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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.