$\square$ C. A mesh topology is not very common in computer networking, but you have to know it for the exam. The mesh topology is seen more commonly with something like the national telephone network. With a mesh topology, every workstation has a connection to every other component of the network.
ख A is incorrect because a bus topology uses one cable to connect multiple computers. B is incorrect because a star topology is made up of a central point or hub with cables coming from the hub and extending to the PCs. D is incorrect because this topology resembles a circle or ring. $\mathbf{E}$ is incorrect because there is no physical cabling to represent the topology; it is represented by a bubble or cell.