Marine Electrical Systems USCG Question #1311 (Set 44)

As shown in the illustrated block diagram for a distributed automation system, what statement is true concerning the area networks? Illustration EL-0096

USCG Exam Illustration EL-0096
USCG Examination Diagram: Illustration EL-0096
Official USCG Answer & Rule Citation

Correct Answer: Option C — The LAN is a dual redundant network and the partitioned CAN is also a dual redundant network, with both networks being interconnected.

Distributed automation systems utilize redundant networks to ensure high availability and fault tolerance. In this architecture, both the Local Area Network (LAN) and the Controller Area Network (CAN) are dual-redundant and interconnected, preventing a single point of failure from disabling the entire shipboard control and monitoring system.

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