As shown in the illustrated block diagram for a distributed automation system, what statement is true concerning the data communication pathways labeled "Dual CAN"? Illustration EL-0096

Question

Accepted Answer

These are control area networks providing redundancy so as to maintain communications despite a bus failure.

Answer

These are control area networks providing supply and return pathways for communication.

Answer

These are communication access nodes providing redundancy so as to maintain communications despite a node failure.

Answer

These are communication access nodes providing supply and return pathways for communication.

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