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Eccouncil ICS-SCADA Exam - Topic 6 Question 42 Discussion

Actual exam question for Eccouncil's ICS-SCADA exam

Question #: 42
Topic #: 6

[All ICS-SCADA Questions]

Which of the ICS/SCADA generations is considered monolithic?

ASecond

BFirst

CFourth

DThird

US. Department of Homeland Security, 'Recommended Practice: Improving Industrial Control System Cybersecurity with Defense-in-Depth Strategies'.

Show Suggested Answer

Suggested Answer: B

The first generation of ICS/SCADA systems is considered monolithic, primarily characterized by standalone systems that had no external communications or connectivity with other systems. These systems were typically fully self-contained, with all components hard-wired together, and operations were managed without any networked interaction. Reference:

by Deandrea at May 03, 2026, 05:42 AM

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Cherry

19 hours ago

I’m confused! I thought the fourth generation was more advanced, but I can't recall if that means it’s not monolithic.

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Mozell

2 months ago

I have a vague memory that the third generation introduced more distributed systems, which makes me lean towards the first generation being monolithic.

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Julieta

2 months ago

I remember practicing a question about ICS generations, and I think the second generation was mentioned as more modular. So maybe it's not that one?

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Farrah

2 months ago

I think the first generation is monolithic, but I'm not entirely sure. It feels like something I read about in our last review session.

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