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

ISA-IEC-62443
  • Exam Code: ISA-IEC-62443
  • Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • Updated: Oct 04, 2026
  • Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Industrial Automation and Control Systems (IACS) Overview15%- IACS components, architectures and protocols
- Differences between IT and OT security
- Cybersecurity importance in industrial environments
Topic 2: Security Fundamentals & ISA/IEC 62443 Framework20%- Core security principles: CIA triad, defense-in-depth
- Foundational security requirements
- Structure and parts of ISA/IEC 62443 standards
- Zones and conduits model
Topic 3: Access Control & Identity Management15%- Role-based access control
- User authentication and authorization
- Security policies and procedures
Topic 4: Security Operations & Incident Response20%- Incident handling and response processes
- Cybersecurity Management System (CSMS)
- Monitoring, maintenance and continuous improvement
Topic 5: Industrial Network Security30%- Network segmentation and security architecture
- Industrial protocols security
- Threats, vulnerabilities and risk assessment

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

Question #1

Why is it important for the asset owner to incorporate the IACS into its organization and security program during the Operation and Maintenance phase?

  • A. To ensure that the system can be decommissioned immediately if needed
  • B. To allow the product supplier to update the system remotely without oversight
  • C. To embed the IACS within organizational processes and people
  • D. To guarantee that the maintenance service provider has full control over the system
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #2

What caution is advised when using the vector approach to security levels?

  • A. Vector approaches are always more accurate than qualitative methods.
  • B. Vector values should be ignored if they do not match industry standards.
  • C. Vector approaches eliminate the need for risk models.
  • D. Vector values must align with the asset owner's risk matrix and risk appetite.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #3

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

  • A. ISA/IEC 62443-3-2
  • B. ISA/IEC 62443-3-1
  • C. ISA/IEC 62443-3-3
  • D. ISA/IEC 62443-2-1
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #4

What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?

  • A. Control
  • B. User
  • C. Protocol
  • D. Transport
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #5

Why is patch management more difficult for IACS than for business systems?
Available Choices (select all choices that are correct)

  • A. Patching a live automation system can create safety risks.
  • B. Business systems automatically update.
  • C. Overtime pay is required for technicians.
  • D. Many more approvals are required.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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