In a ring topology each computer is connected to another computer, and so on until it returns again to the computer first, and form a circle so called ring, this topology communicate using a data token to control access rights for the computer receives data, such as a computer 1 will send the file to the computer 4 , then the data will pass through the computer 2 and 3 to be received by the computer 4, so a computer will resume sending data if the destination IP address is not he.
The most fatal shortcomings of this topology is, if one computer or its wiring problem, then the data transmission will be interrupted even error.
2. Topology Bus
Computer network topology bus neat as queue and use only one coaxial cable and each computer connected to the cable using BNC connectors, and both ends of the coaxial cable must be terminated by a terminator.
3. Star Topology
This topology is formed like a star because of all computers connected to a hub or switch with UTP cable, so that the hub / switch was the center of the network and the duty to control the data traffic, so if one computer wants to send data to the computer 4, the data will be sent to switches and directly send it to the destination computer without passing through another computer. Computer network topology is the most widely used today because of its advantages more.
4. Mesh Topology
In this topology each computer will be connected to another computer in the network using a single cable, so the data transmission process will directly reach the destination computer without going through another computer or a switch or hub.
5. Topology Tree
Computer network topology Tree is a combination of several star topology that connecting it with a bus topology, so any star topology will be connected to another star topology uses a bus topology, usually in this topology there are several levels of network, and the network is at a higher level can control network which is at a lower level.
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