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ISA/IEC 62443 Cybersecurity Fundamentals Specialist : ISA-IEC-62443

ISA-IEC-62443

Exam Code: ISA-IEC-62443

Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist

Updated: Aug 27, 2026

Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionWeightObjectives
Industrial Network Security30%- Industrial protocols security
- Threats, vulnerabilities and risk assessment
- Network segmentation and security architecture
Security Operations & Incident Response20%- Cybersecurity Management System (CSMS)
- Incident handling and response processes
- Monitoring, maintenance and continuous improvement
Access Control & Identity Management15%- User authentication and authorization
- Role-based access control
- Security policies and procedures
Industrial Automation and Control Systems (IACS) Overview15%- IACS components, architectures and protocols
- Differences between IT and OT security
- Cybersecurity importance in industrial environments
Security Fundamentals & ISA/IEC 62443 Framework20%- Core security principles: CIA triad, defense-in-depth
- Structure and parts of ISA/IEC 62443 standards
- Zones and conduits model
- Foundational security requirements

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

Question 1

What does the abbreviation CSMS round in ISA 62443-2-1 represent?
Available Choices (select all choices that are correct)

A. Control System Management System
B. Cyber Security Management System
C. Cyber Security Monitoring System
D. Control System Monitoring System


Question 2

What is recommended to use between the plant floor and the rest of the company networks?

A. Hub
B. Firewall
C. Switch
D. Router


Question 3

Which of the following starts at a high level and includes all ANSI/ISA-95 Level 0,1,2,3,4 equipment and information systems?

A. Reference model
B. Zone model
C. Reference architecture
D. Asset model


Question 4

Which standard is applied during the Assess phase for risk assessment?

A. ISA/IEC 62443-3-1
B. ISA/IEC 62443-3-2
C. ISA/IEC 62443-3-3
D. ISA/IEC 62443-2-1


Question 5

What are three possible entry points (pathways) that could be used for launching a cyber attack?
Available Choices (select all choices that are correct)

A. LAN, portable media, and wireless
B. LAN, WAN, and hard drive
C. LAN, portable media, and hard drives
D. LAN, power source, and wireless OD.


Solutions:

Question 1
Answer: B
Question 2
Answer: B
Question 3
Answer: A
Question 4
Answer: B
Question 5
Answer: A

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