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Updated: Nov 05, 2026

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ISA ISA-IEC-62443 Exam Overview:

Certification Vendor:ISA (International Society of Automation)
Exam Name:ISA/IEC 62443 Cybersecurity Fundamentals Specialist Exam
Exam Number:ISA-IEC-62443
Passing Score:70% - 75%
Available Languages:English
Real Exam Qty:75 - 100
Exam Format:Multiple Choice Questions
Certificate Validity Period:3 years
Related Certifications:ISA/IEC 62443 Cybersecurity Maintenance Specialist
ISA/IEC 62443 Cybersecurity Risk Assessment Specialist
ISA/IEC 62443 Cybersecurity Design Specialist
Exam Duration:120 minutes
Exam Price:Included in course fee; $1,995 - $2,495 USD
Recommended Training:IC32: Using ISA/IEC 62443 Standards to Secure Your Control Systems
Exam Registration:ISA Official Registration
Sample Questions:ISA ISA-IEC-62443 Sample Questions
Exam Way:Online proctored / Onsite at authorized test centers
Pre Condition:No mandatory prerequisites; recommended: 1–3 years of experience in cybersecurity or industrial automation environment
Official Syllabus URL:https://www.isa.org/certification/certificate-programs/isa-iec-62443-cybersecurity-certificate-program

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

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

Question #1

Which of the following is an element of monitoring and improving a CSMS?
Available Choices (select all choices that are correct)

  • A. Review of system logs and other key data files
  • B. Restricted access to the industrial control system to an as-needed basis
  • C. Significant changes in identified risk round in periodic reassessments
  • D. Increase in staff training and security awareness
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

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Question #2

What is the purpose of ICS-CERT Alerts?

  • A. To notify the owners of critical infrastructure
  • B. To alert of targeted global energy sector threats
  • C. To inform about hardware upgrades
  • D. To advertise cybersecurity services
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #3

Which characteristic is MOST closely associated with the deployment of a demilitarized zone (DMZ)?
Available Choices (select all choices that are correct)

  • A. Level 0 can only interact with Level 1 through the firewall.
  • B. Email is prevented, thereby mitigating the risk of phishing attempts.
  • C. Internet access through the firewall is allowed.
  • D. Level 4 systems must use the DMZ to communicate with Level 3 and below.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #4

What programs are MOST effective if they are tailored to the audience, consistent with company policy, and communicated regularly?

  • A. CSMS development programs
  • B. Cybersecurity awareness programs
  • C. ISCS cybersecurity certification programs
  • D. Control systems adjustment programs
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #5

Which layer specifies the rules for Modbus Application Protocol
Available Choices (select all choices that are correct)

  • A. Presentation layer
  • B. Application layer
  • C. Session layer
  • D. Data link layer
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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