Explain the working of ring topology with neat sketch.

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Solution :-

 Ring topology:

In a ring topology, each computer or node is connected to the next node and the last computer is connected to the first computer as shown in the diagram below. 

Diagram of Ring topology

Thus, each computer has a dedicated point to point connection with only the two computers on either side of it.

 A signal is passed along the ring in one direction, from computer to computer, until it reaches its destination.

 In ring topology, each computer on the ring receives the data unit from the previous computer, regenerates it, and forwards it to the next computer. 

Working:

Every computer on the ring is responsible for passing the token or creating a new one. When a computer has information to send, it creates the token and passes it on.

Once the token reaches its final destination, it lets the sender know it arrived safely; the sender then makes a new token and the process starts over. Most ring networks use fiber or twisted pair cable for their physical medium.

In a ring topology, if one computer fails, the entire network goes down.

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