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ISA ISA-IEC-62443 exam : ISA/IEC 62443 Cybersecurity Fundamentals Specialist
- Exam Code: ISA-IEC-62443
- Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
- Updated: Oct 01, 2026
- Q & A: 221 Questions and Answers
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ISA ISA-IEC-62443 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| ISA/IEC 62443 Framework Overview | - Key terminology and concepts (zones, conduits, security levels) - Structure and purpose of IEC 62443 standards |
| Risk and Security Management | - Risk assessment principles - Security lifecycle management in industrial systems |
| Industrial Network and System Security | - Network segmentation and architecture security - Asset identification and protection |
| Policies, Procedures, and Governance | - Security policies for industrial control systems - Compliance and governance considerations |
| Introduction to Industrial Cybersecurity | - Fundamentals of cybersecurity in industrial environments - Overview of IT vs OT security concepts |
ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:
Question #1
A manufacturing plant has inconsistent cybersecurity processes that vary widely between shifts and teams.
According to the maturity levels described in ISA/IEC 62443-2-1, how would this situation be classified?
- A. Level 2 - Managed (documented procedures and training programs)
- B. Level 4 - Improving (quantitatively managed)
- C. Level 1 - Initial (ad-hoc and undocumented processes)
- D. Level 3 - Defined / Practiced (repeatable and documented processes)
Correct Answer: C 🗳️
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Question #2
What programs are MOST effective if they are tailored to the audience, consistent with company policy, and communicated regularly?
- A. CSMS development
- B. ISCS cybersecurity certification programs
- C. Control systems adjustment programs
- D. Cybersecurity awareness programs
Correct Answer: D 🗳️
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Question #3
How can Modbus be secured?
- A. By limiting user access
- B. By encrypting all data packets
- C. By using a VPN
- D. By firewall
Correct Answer: D 🗳️
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Question #4
What is TRUE regarding safety systems?
- A. Even the most modern and sophisticated safety systems can be defeated by an attacker.
- B. By integrating control and safety systems via Modbus TCP, cybersecurity risks are at a tolerable level.
- C. No dedicated malware has been found targeting safety systems specifically.
- D. Safety systems are an independent protection layer and as such have no cybersecurity vulnerabilities.
Correct Answer: A 🗳️
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Question #5
Which organization is responsible for the ISA 62443 series of standards?
- A. European Telecommunications Standards Institute (ETSI)
- B. American National Standards Institute (ANSI)
- C. National Institute of Standards and Technology (NIST)
- D. International Electrotechnical Commission (IEC)
Correct Answer: D 🗳️
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