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 #40

Which steps are part of implementing countermeasures?
Available Choices (select all choices that are correct)

A. Establish the risk tolerance and update the business continuity plan.

B. Select common countermeasures and collaborate with stakeholders.

C. Establish the risk tolerance and select common countermeasures.

D. Select common countermeasures and update the business continuity plan.

Discussion 0

Correct Answer: C Vote an answer

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Question #41

A manufacturing plant has inconsistent cybersecurity processes that vary widely between shifts and teams.
According to the maturity levels described in ISA/IEC 62443-2-1, how would this situation be classified?

A. Level 1 - Initial (ad-hoc and undocumented processes)

B. Level 2 - Managed (documented procedures and training programs)

C. Level 3 - Defined / Practiced (repeatable and documented processes)

D. Level 4 - Improving (quantitatively managed)

Discussion 0

Correct Answer: A Vote an answer

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Question #42

What type of attack is characterized by encrypting an organization's data and demanding payment for restoration?

A. Malware variant

B. Ransomware

C. DDoS attack

D. Phishing

Discussion 0

Correct Answer: B Vote an answer

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Question #43

What change was introduced in the second edition (2024) of ISA-62443-2-1 compared to the first edition (2010)?

A. Elimination of duplication of ISMS requirements

B. Introduction of a new PDCA cycle framework

C. Focus only on individual system components rather than overall system

D. Removal of supply chain security considerations

Discussion 0

Correct Answer: A Vote an answer

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Question #44

Which of the following is a recommended default rule for IACS firewalls?
Available Choices (select all choices that are correct)

A. Block all traffic by default.

B. Allow IACS devices to access the Internet.

C. Allow traffic directly from the IACS network to the enterprise network.

D. Allow all traffic by default.

Discussion 0

Correct Answer: A Vote an answer

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Question #45

What.are the two elements of the risk analysis category of an IACS?
Available Choices (select all choices that are correct)

A. Business rationale and risk identification and classification

B. Risk evaluation and risk identification

C. Business rationale and risk reduction and avoidance

D. Business recovery and risk elimination or mitigation

Discussion 0

Correct Answer: A Vote an answer

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Question #46

Which is the PRIMARY responsibility of the network layer of the Open Systems Interconnection (OSI) model?
Available Choices (select all choices that are correct)

A. Provides the rules for framing, converting electrical signals to data

B. Forwards packets, including routing through intermediate routers

C. Handles the physics of getting a message from one device to another

D. Gives transparent transfer of data between end users

Discussion 0

Correct Answer: B Vote an answer

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Question #47

Whose responsibility is it to determine the level of risk an organization is willing to tolerate?
Available Choices (select all choices that are correct)

A. Legal Department

B. Safety Department

C. Operations Department

D. Management

Discussion 0

Correct Answer: D Vote an answer

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Question #48

Which type of cryptographic algorithms requires more than one key?
Available Choices (select all choices that are correct)

A. Stream ciphers

B. Block ciphers

C. Symmetric (private) key

D. Asymmetric (public) key

Discussion 0

Correct Answer: D Vote an answer

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Question #49

Which of the following is NOT a strategy for deploying a WAN?

A. Enterprise WANs

B. Internet

C. Local area networks

D. Carrier-managed WANs

Discussion 0

Correct Answer: C Vote an answer

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Question #50

Which part of the standard provides a list of possible Foundational Requirements to address assessed risks?

A. ISA/IEC 62443-3-2

B. ISA/IEC 62443-3-1

C. ISA/IEC 62443-3-4

D. ISA/IEC 62443-3-3

Discussion 0

Correct Answer: D Vote an answer

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Question #51

What is the primary audience for Part 2-5 of the ISA/IEC 62443 Series - Policies & Procedures group of standards?

A. Service providers

B. Asset owners

C. System integrators

D. Product suppliers

Discussion 0

Correct Answer: A Vote an answer

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Question #52

Which organization is responsible for the ISA 62443 series of standards?

A. National Institute of Standards and Technology (NIST)

B. American National Standards Institute (ANSI)

C. European Telecommunications Standards Institute (ETSI)

D. International Electrotechnical Commission (IEC)

Discussion 0

Correct Answer: D Vote an answer

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