Any information sent between two devices that are not directly connected must go through at least one other device. For example, in the network represented below, information can be sent directly between A and B, but information sent between devices A and G must go through other devices. Which of the following statements is true about the network?
a. If devices C and F fail, then device D will not be able to communicate with device H.
b. If devices B and F fail, then device A will not be able to communicate with device G.
c. Information sent from device A to device D can use at most two unique paths.
d. Information sent from device A to device I will pass through at most four other devices.