What is the difference between ring and bus topology? | Networking

A. In Ring all nodes are connected with another in a loop while in bus they are connected to a central cable
B. In Ring all nodes are connected with another loop while in bus they are connected to a central cable
C. In bus all nodes are connected with another in a loop while in star they are connected to a central node
D. In Bus all nodes are connected with another loop while in star they are connected to a central cable

Ans: A