Free ISA ISA-IEC-62443 Practice Test & Real Exam Questions

Exam Code/Number: ISA-IEC-62443
Exam Name/Title: ISA/IEC 62443 Cybersecurity Fundamentals Specialist
Certification Provider: ISA
Corresponding Certification: ISA Cybersecurity

Exam Questions: 221
Updated On: Jul 07, 2026

Question #66

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

A. Business systems automatically update.

B. Patching a live automation system can create safety risks.

C. Many more approvals are required.

D. Overtime pay is required for technicians.

Discussion 0

Correct Answer: B Vote an answer

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Question #67

Which of the following refers to internal rules that govern how an organization protects critical system resources?
Available Choices (select all choices that are correct)

A. Legislation

B. Formal guidance

C. Security policyD- Code of conduct

Discussion 0

Correct Answer: C Vote an answer

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Question #68

How many element groups are in the "Addressing Risk" CSMS category?

A. 2

B. 4

C. 3

D. 5

Discussion 0

Correct Answer: B Vote an answer

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Question #69

What impact do increasing cybercrime attacks have?

A. They lead to improved cybersecurity measures.

B. They focus solely on financial institutions.

C. They affect suppliers of essential services.

D. They primarily target personal devices.

Discussion 0

Correct Answer: C Vote an answer

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Question #70

How should outreach be handled with product suppliers and service providers?

A. Only system integrators need to be informed about lifecycle support.

B. Communication should only occur after a system failure.

C. Asset owners should be informed about how to report vulnerabilities.

D. Patch management policies should be kept confidential from asset owners.

Discussion 0

Correct Answer: C Vote an answer

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Question #71

What does the expression SL-T (BPCS Zone) vector {2 2 0 1 3 1 3} represent?

A. A qualitative risk assessment method

B. The FR values for a specific zone's security level

C. The SL values for a specific zone's foundational requirements

D. A single protection factor for all FRs

Discussion 0

Correct Answer: C Vote an answer

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Question #72

What is Modbus?

A. A type of industrial machinery

B. A programming language

C. A serial communications protocol

D. A network security standard

Discussion 0

Correct Answer: C Vote an answer

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Question #73

Which is the BEST practice when establishing security zones?
Available Choices (select all choices that are correct)

A. Assets within the same logical communication network should be in the same security zone.

B. Security zones should contain assets that share common security requirements.

C. All components in a large or complex system should be in the same security zone.

D. Security zones should align with physical network segments.

Discussion 0

Correct Answer: B Vote an answer

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Question #74

What is the formula for calculating risk?

A. Risk = Threat + Vulnerability + Consequence

B. Risk = Threat * Vulnerability * Consequence

C. Risk = Likelihood + Consequence

D. Risk = Threat - Vulnerability * Consequence

Discussion 0

Correct Answer: B Vote an answer

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Question #75

Which of the following is NOT listed as a potential consequence of compromising IACS according to the ISA99 Committee scope?

A. Increased product sales

B. Endangerment of public safety

C. Loss of proprietary information

D. Economic and operational losses

Discussion 0

Correct Answer: A Vote an answer

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Question #76

What is the primary focus of Part 3-2 in the ISA/IEC 62443 series?

A. Cybersecurity risk assessment and system design

B. Technical security requirements for IACS components

C. Secure product development lifecycle requirements

D. Security technologies for IACS

Discussion 0

Correct Answer: A Vote an answer

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Question #77

How does ISA-62443-2-1 suggest integrating the IACS Security Program (SP) within an organization?

A. As a standalone system unrelated to other processes

B. Outsourcing all security responsibilities to third parties

C. By embedding it into organizational processes and the ISMS

D. Only focusing on technical controls without process integration

Discussion 0

Correct Answer: C Vote an answer

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Question #78

What is one of the primary causes of cyber-related production losses in process control systems?

A. Network congestion

B. Human error

C. Hardware failure

D. Malware incidents

Discussion 0

Correct Answer: D Vote an answer

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