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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. 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 enforce user authentication policies
D) To ensure physical access control

2. Which of the following is an example of a device used for intrusion detection?

A) Router
B) Switch
C) Host-based IDS
D) Firewall

3. An industrial facility wants to ensure that only authorized communication reaches its PLCs while minimizing disruption to time-sensitive control processes. Which type of firewall would BEST suit this need?

A) Unidirectional gateway (data diode)
B) Basic packet filter firewall without protocol awareness
C) General-purpose software firewall
D) IACS-specific firewall with deep packet inspection

4. Which is a physical layer standard for serial communications between two or more devices?
Available Choices (select all choices that are correct)

A) RS435
B) RS232
C) RS235
D) RS432

5. Which policies and procedures publication is titled Patch Manaqement in the IACS Environment?
Available Choices (select all choices that are correct)

A) ISA-TR62443-1-4
B) ISA-62443-3-3
C) ISA-TR62443-2-3
D) ISA-62443-4-2

Solutions: