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

  • Exam Code: ISA-IEC-62443
  • Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
  • Updated: Aug 21, 2026     Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionObjectives
Risk and Security Management- Security lifecycle management in industrial systems
- Risk assessment principles
Industrial Network and System Security- Network segmentation and architecture security
- Asset identification and protection
ISA/IEC 62443 Framework Overview- Structure and purpose of IEC 62443 standards
- Key terminology and concepts (zones, conduits, security levels)
Introduction to Industrial Cybersecurity- Fundamentals of cybersecurity in industrial environments
- Overview of IT vs OT security concepts
Policies, Procedures, and Governance- Compliance and governance considerations
- Security policies for industrial control systems

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. Which is a common pitfall when initiating a CSMS program?
Available Choices (select all choices that are correct)

A) Failure to relate to the mission of the organization
B) Immediate jump into detailed risk assessment
C) Insufficient documentation due to lack of good follow-up
D) Organizational lack of communication


2. If a U.S. federal agency must comply with mandatory cybersecurity requirements under law, which document would they be required to follow?

A) ISA/IEC 62443
B) NIST FIPS
C) EU Cyber Resilience Act
D) NIST Special Publication 800-171


3. What do packet filter firewalls examine?
Available Choices (select all choices that are correct)

A) The packet structure and sequence
B) The relationships between packets in a session
C) Only the source, destination, and ports in the header of each packet
D) Every incoming packet up to the application layer


4. What do the tiers in the NIST CSF represent?

A) Categories of cybersecurity threats
B) Different types of cybersecurity software
C) Stages of incident response
D) An organization's cybersecurity profile


5. What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)

A) To describe what constitutes a secure product
B) To define a security management organization
C) To define a product development evaluation methodology
D) To describe a process for risk management


Solutions:

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

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