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ISA-IEC-62443 pdf
  • Exam Code: ISA-IEC-62443
  • Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • Updated: Jul 20, 2026
  • Q & A: 221 Questions and Answers
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  • Exam Code: ISA-IEC-62443
  • Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • Updated: Jul 20, 2026
  • Q & A: 221 Questions and Answers
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  • Exam Code: ISA-IEC-62443
  • Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • Updated: Jul 20, 2026
  • Q & A: 221 Questions and Answers
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ISA ISA-IEC-62443 Exam Syllabus Topics:

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

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. Which statement is TRUE regarding Intrusion Detection Systems (IDS)?
Available Choices (select all choices that are correct)

A) They are very inexpensive to design and deploy.
B) They require a small amount of care and feeding
C) They are effective against known vulnerabilities.
D) Modern IDS recognize IACS devices by default.


2. Which of the following BEST describes 'Vulnerability'?

A) The result that occurs from a particular incident
B) An exploitable flaw in management
C) The potential for violation of security
D) An event that could breach security


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


4. Why is OPC Classic considered firewall unfriendly?
Available Choices (select all choices that are correct)

A) OPC Classic is an obsolete communication standard.
B) OPC Classic is allowed to use only port 80.
C) OPC Classic works with control devices from different manufacturers.
D) OPC Classic uses DCOM, which dynamically assigns any port between 1024 and 65535.


5. What is the primary purpose of Foundational Requirement 1 (FR 1)?

A) Respond to security violations.
B) Control use of selected devices.
C) Ensure data confidentiality.
D) Control access to selected devices.


Solutions:

Question # 1
Answer: C
Question # 2
Answer: C
Question # 3
Answer: D
Question # 4
Answer: D
Question # 5
Answer: D

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