The network cable is the connection line that connects the computer and the computer, and the computer and other network devices. Commonly used network cables are twisted pair and coaxial thin cables.
It is relatively simple to use a thin coaxial cable for network connection, as long as each computer or network device is connected in series, but it is more troublesome to maintain. If something goes wrong, the entire network may be paralyzed. To add or remove a computer from the network, you must stop the work of the network and wait until the computer is added or removed before you can continue to use it. At the same time, this method must adopt a bus topology structure, which is rarely used now.
Twisted-pair cable is composed of four copper wires that are twisted with each other covered with insulating material, and are wrapped in an insulating sheath. It can reduce the interference caused by clutter and suppress the attenuation of the signal in the cable. If a twisted pair cable is used, we can easily add or remove a computer from the network without interrupting the work of the network. The maintenance of the network is also relatively simple. If a network cable fails, it will only affect the twisted pair connection. The computer or equipment does not cause the network to be paralyzed. However, the use of twisted pair cables requires the addition of hubs or switches to the network, which increases the cost of the network.
