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ISA ISA-IEC-62443 Exam Syllabus Topics:

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. Why is OPC Classic considered firewall unfriendly?
Available Choices (select all choices that are correct)

A) OPC Classic is an obsolete communication standard.
B) OPC Classic is allowed to use only port 80.
C) OPC Classic uses DCOM, which dynamically assigns any port between 1024 and 65535.
D) OPC Classic works with control devices from different manufacturers.

2. If an asset owner wants to improve their organization's ability to respond during a cyberattack, which of the following activities would be MOST appropriate to implement?

A) Anomaly detection drills for operators
B) Password hygiene campaign
C) Tabletop exercises
D) Architecture awareness workshops

3. What is the primary goal of the Assess phase in the IACS Cybersecurity Lifecycle?

A) To implement countermeasures
B) To assign a Target Security Level (SL-T)
C) To conduct periodic audits
D) To ensure the Achieved Security Level (SL-A) meets the Target Security Level (SL-T)

4. 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) Treat temporarily connected devices as part of the safety zone permanently.
B) Combine all zones into one for simplicity.
C) Ignore physical location when grouping assets.
D) Establish clear separation between zones based on criticality.

5. To which category of the ISA-62443 (IEC 62443) series does the document titled "Patch management in the IACS environment" belong?

A) Component
B) Policies and Procedures
C) General
D) System

Solutions: