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ISA ISA-IEC-62443 Exam Syllabus Topics:

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. Which is a role of the application layer?
Available Choices (select all choices that are correct)

A) Delivers and formats information, possibly with encryption and security
B) Includes user applications specific to network applications such as email, file transfer, and reading data registers in a PLC
C) Provides the mechanism for opening, closing, and managing a session between end-user application processes
D) Includes protocols specific to network applications such as email, file transfer, and reading data registers in a PLC

2. 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

3. A manufacturing plant is developing a cybersecurity plan for its IACS that must evolve as new threats emerge and system changes occur. Which document should serve as the foundation for this evolving security approach?

A) Security Program (SP) portfolio
B) Security Protection Scheme (SPS)
C) IEC 62443-2-2 only
D) Corporate KPIs unrelated to IACS

4. Which of the following protocols is mentioned as being commonly used in control systems?

A) Modbus TCP
B) HTTP
C) SMTP
D) FTP

5. Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)

A) Process Hazard Analysis (PHA)
B) Failure Mode and Effects Analysis
C) System Safety Analysis (SSA)
D) Job Safety Analysis

Solutions: