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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: Jun 30, 2026

Q & A: 221 Questions and Answers

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About ISA ISA-IEC-62443 Exam

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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. After receiving an approved patch from the IACS vendor, what is BEST practice for the asset owner to follow?

A) If a medium priority, schedule the installation within three months after receipt.
B) If a low priority, there is no need to apply the patch.
C) If no problems are experienced with the current IACS, it is not necessary to apply the patch.
D) If a high priority, apply the patch at the first unscheduled outage.


2. Which of the following is the underlying protocol for Ethernet/IP?
Available Choices (select all choices that are correct)

A) Common Industrial Protocol
B) Highway Addressable Remote Transducer (HART)
C) Building Automation and Control Network (BACnet)
D) Object Linking and Embedding (OLE) for Process Control


3. If an asset owner wants to demonstrate compliance with ISA/IEC 62443-2-1 requirements during an external audit, which type of evidence would be MOST appropriate?

A) Marketing materials describing the company's commitment to security
B) Anecdotal reports from employees about security practices
C) Documentation verifying use and configuration of technologies
D) Financial investment records in cybersecurity tools only


4. What is the FIRST step required in implementing ISO 27001?
Available Choices (select all choices that are correct)

A) Create a security management organization.
B) Perform a security risk assessment.
C) Define an information security policy.
D) Implement strict security controls.


5. 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 mandates strict compliance without flexibility.
B) It is sector, country, and technology-neutral.
C) It only applies to government agencies.
D) It focuses solely on payment card data protection.


Solutions:

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

Related Certifications
ISA Cybersecurity
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