Which topology is the most redundant and the most expensive?

A.
star

B.
ring

C.
mesh

D.
bus

Explanation:
Section Reference: Identifying Network Topologies
A network topology defines the physical connections of hosts in a computer network. With the mesh topology,
every computer connects to every other computer. Nocentral connecting device is needed. Since every
computer connects to every other computer, it requires the most cabling, which increases the cost.