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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. Which is the PRIMARY reason why Modbus over Ethernet is easy to manaqe in a firewall?
Available Choices (select all choices that are correct)

A) Modbus uses a single master to communicate with multiple slaves usinq simple commands.
B) Modbus is a proprietary protocol that is widely supported by vendors.
C) Modbus has no known security vulnerabilities, so firewall rules are simple to implement.
D) Modbus uses explicit source and destination IP addresses and a sinqle known TCP port.

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

A) Establish the risk tolerance and select common countermeasures.
B) Select common countermeasures and update the business continuity plan.
C) Establish the risk tolerance and update the business continuity plan.
D) Select common countermeasures and collaborate with stakeholders.

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

A) Risk evaluation and risk identification
B) Business recovery and risk elimination or mitigation
C) Business rationale and risk reduction and avoidance
D) Business rationale and risk identification and classification

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

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

5. What is the purpose of ISO/IEC 15408 (Common Criteria)?
Available Choices (select all choices that are correct)

A) To define a product development evaluation methodology
B) To describe what constitutes a secure product
C) To describe a process for risk management
D) To define a security management organization

Solutions: