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 #79

Which is one of the PRIMARY goals of providing a framework addressing secure product development life- cycle requirements?

A. Aligned development process

B. Aligned needs of industrial users

C. Well-documented security policies and procedures

D. Defense-in-depth approach to designing

Discussion 0

Correct Answer: A Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #80

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

A. CSA

B. CSMS

C. SPRP

D. ERM

Discussion 0

Correct Answer: B Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #81

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

A. Losses

B. Increased product sales

C. Endangerment of public safety

D. Loss of proprietary information

Discussion 0

Correct Answer: B Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #82

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

A. Modbus TCP

B. HTTP

C. SMTP

D. FTP

Discussion 0

Correct Answer: A Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #83

What is TRUE regarding safety systems?

A. Safety systems are an independent protection layer and as such have no cybersecurity vulnerabilities.

B. Even the most modern and sophisticated safety systems can be defeated by an attacker.

C. No dedicated malware has been found targeting safety systems specifically.

D. By integrating control and safety systems via Modbus TCP, cybersecurity risks are at a tolerable level.

Discussion 0

Correct Answer: B Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #84

A multinational corporation needs to implement a cybersecurity framework that can be adapted across different countries and industries while allowing continuous improvement. Which feature of the NIST CSF makes it suitable for this purpose?

A. It focuses solely on payment card data protection.

B. It mandates strict compliance without flexibility.

C. It only applies to government agencies.

D. It is sector, country, and technology-neutral.

Discussion 0

Correct Answer: D Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #85

As related to IACS Maintenance Service Providers, when do maintenance activities generally start?

A. At the beginning of the project

B. During the design phase

C. After the handover of the solution

D. Before the handover of the solution

Discussion 0

Correct Answer: C Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #86

What is a feature of an asymmetric key?
Available Choices (select all choices that are correct)

A. Has lower network overhead

B. Uses different keys

C. Uses a continuous stream

D. Shares the same key OD.

Discussion 0

Correct Answer: B Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #87

Which of the following is the BEST example of detection-in-depth best practices?
Available Choices (select all choices that are correct)

A. Role-based access control and VPNs

B. IDS sensors deployed within multiple zones in the production environment

C. Role-based access control and unusual data transfer patterns

D. Firewalls and unexpected protocols being used

Discussion 0

Correct Answer: B Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #88

Which of the following is an element of security policy, organization, and awareness?
Available Choices (select all choices that are correct)

A. Penetration testing

B. Staff training and security awareness

C. Product development requirements

D. Technical requirement assessment

Discussion 0

Correct Answer: B Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #89

A plant has several zones including business, safety-critical, and wireless zones. According to ISA/IEC
62443, how should these zones be managed during risk assessment?

A. Combine all zones into one for simplicity.

B. Ignore physical location when grouping assets.

C. Treat temporarily connected devices as part of the safety zone permanently.

D. Establish clear separation between zones based on criticality.

Discussion 0

Correct Answer: D Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #90

How does ISA/IEC 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

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #91

In which layer is the physical address assigned?
Available Choices (select all choices that are correct)

A. Layer 1

B. Layer 2

C. Layer 7

D. Layer 3

Discussion 0

Correct Answer: B Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Download Free ISA ISA-IEC-62443 Demo

Simply submit your e-mail address below to get started with our free demo of your ISA ISA-IEC-62443 exam.