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ISA ISA-IEC-62443

ISA-IEC-62443

Exam Code: ISA-IEC-62443

Exam Name: ISA/IEC 62443 Cybersecurity Fundamentals Specialist

Updated: Aug 15, 2026

Q & A: 221 Questions and Answers

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ISA ISA-IEC-62443 Exam Syllabus Topics:

SectionObjectives
Policies, Procedures, and Governance- Security policies for industrial control systems
- Compliance and governance considerations
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
Introduction to Industrial Cybersecurity- Overview of IT vs OT security concepts
- Fundamentals of cybersecurity in industrial environments
ISA/IEC 62443 Framework Overview- Key terminology and concepts (zones, conduits, security levels)
- Structure and purpose of IEC 62443 standards

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

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

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


2. Which of the following is an example of separation of duties as a part of system development and maintenance?
Available Choices (select all choices that are correct)

A) Changes are approved by one party and implemented by another.
B) Configuration settings are made by one party and self-reviewed using a checklist.
C) Developers write and then test their own code.
D) Design and implementation are performed by the same team.


3. Safety management staff are stakeholders of what security program development?
Available Choices (select all choices that are correct)

A) CSMS
B) CSA
C) SPRP
D) ERM


4. Security Levels (SLs) are broken down into which three types?

A) Target, capacity, and achieved
B) Target, capability, and achieved
C) Target, capacity, and availability
D) Target, capability, and availability


5. Which of the following protocols is mentioned as being commonly used in control systems?

A) Modbus TCP
B) HTTP
C) FTP
D) SMTP


Solutions:

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

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