Title: Assets and threats
Course: Cybersecurity Fundamentals, Kellomäki and Nivamo, 2025

Q: Demilitarized zone (DMZ) in Purdue model contains
- IT/OT convergence layer
- IT systems
- OT systems
- Actuators
- Sensors
A: IT/OT convergence layer

Q: Device monitoring and control in an industrial automation system belong to
- OT
- IT
- both
A: OT

Q: Which level if the IIoT Purdue model below contains the most critical security concerns?

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- Level 3
- Level 0
- Level 1 (Level 2)
- Level 4
- Level 5
A: Level 3

Q: Which one of the following is the most important chatacteristic of cybersecurity for consumer IoT?
- Confidentiality
- Integrity
- Availability
A: Confidentiality

Q: Which one of the following is the most important chatacteristic of cybersecurity for industrial IoT?
- Confidentiality
- Integrity
- Availability
A: Availability

Q: What does STRIDE methodology handle?
- Threats
- Attacks
- Firewall rules
- OSI model
- Routers
A: Threats