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 #92

Which of the following is NOT a general class of firewalls?

A. Packet filter

B. Application proxy

C. Network monitor

D. Stateful inspection

Discussion 0

Correct Answer: C Vote an answer

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

Question #93

Multiuser accounts and shared passwords inherently carry which of the followinq risks?
Available Choices (select all choices that are correct)

A. Race conditions

B. Privilege escalation

C. Buffer overflow

D. Unauthorized access

Discussion 0

Correct Answer: B,D Vote an answer

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

Question #94

Why is it important for the asset owner to incorporate the IACS into its organization and security program during the Operation and Maintenance phase?

A. To allow the product supplier to update the system remotely without oversight

B. To ensure that the system can be decommissioned immediately if needed

C. To embed the IACS within organizational processes and people

D. To guarantee that the maintenance service provider has full control over the system

Discussion 0

Correct Answer: C Vote an answer

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

Question #95

What is the primary purpose of the NIST Cybersecurity Framework (CSF)?

A. To provide a certification for organizations

B. To create new cybersecurity technologies

C. To enhance the resilience of critical infrastructure

D. To replace existing cybersecurity standards

Discussion 0

Correct Answer: C Vote an answer

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

Question #96

How should patching be approached within an organization?

A. As part of the broader risk management strategy

B. By ignoring downtime and costs

C. As a purely technical task with no business implications

D. Only after a cyberattack has occurred

Discussion 0

Correct Answer: A Vote an answer

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

Question #97

Which of the following are the critical variables related to access control?
Available Choices (select all choices that are correct)

A. Account management and password strength

B. Account management and monitoring

C. Reporting and monitoring

D. Password strength and change frequency

Discussion 0

Correct Answer: A Vote an answer

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

Question #98

What is the primary purpose of the NIST Cybersecurity Framework (CSF)?

A. To create new cybersecurity technologies

B. To enhance the resilience of critical infrastructure

C. To replace existing cybersecurity standards

D. To provide a certification program for organizations

Discussion 0

Correct Answer: B Vote an answer

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

Question #99

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

A. If a low priority, there is no need to apply the patch.

B. If a high priority, apply the patch at the first unscheduled outage.

C. If a medium priority, schedule the installation within three months after receipt.

D. If no problems are experienced with the current IACS, it is not necessary to apply the patch.

Discussion 0

Correct Answer: B Vote an answer

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

Question #100

ISA/IEC 62443 - Part 4-2 covers technical security requirements for which types of IACS components?

A. Embedded devices and software applications

B. Only network devices

C. Only devices

D. Only software applications

Discussion 0

Correct Answer: A Vote an answer

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

Question #101

What does the abbreviation CSMS round in ISA 62443-2-1 represent?
Available Choices (select all choices that are correct)

A. Control System Monitoring System

B. Cyber Security Management System

C. Cyber Security Monitoring System

D. Control System Management System

Discussion 0

Correct Answer: B Vote an answer

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

Question #102

At Layer 4 of the Open Systems Interconnection (OSI) model, what identifies the application that will handle a packet inside a host?
Available Choices (select all choices that are correct)

A. ATCP/UDP application ID

B. A TCP/UDP host ID

C. ATCP/UDP port number

D. ATCP/UDP registry number

Discussion 0

Correct Answer: C Vote an answer

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

Question #103

What does Layer 1 of the ISO/OSI protocol stack provide?
Available Choices (select all choices that are correct)

A. Framing, converting electrical signals to data, and error checking

B. User applications specific to network applications such as reading data registers in a PLC

C. The electrical and physical specifications of the data connection

D. Data encryption, routing, and end-to-end connectivity

Discussion 0

Correct Answer: C Vote an answer

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

Question #104

What is a major reason for maintaining an asset inventory baseline in Configuration Management (SP Element 2)?

A. To detect security anomalies in event management

B. To document IACS architecture

C. To ensure physical access control

D. To enforce user authentication policies

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.