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ISA IC33 -IEC 62443 Cybersecurity Risk Assessment Specialist IC33 ISA-IEC 62443 Cybersecurity Risk Assessment Specialist Dumps in PDF

Free ISA IC33 ISA-IEC 62443 Cybersecurity Risk Assessment Specialist Real Questions (page: 1)

IC33 ISA-IEC 62443 Cybersecurity Risk Assessment Specialist PDF — 90 Questions

What type of systems are managed at Level 2 of the ISA-95 functional layers?

  1. Control systems
  2. Physical processes
  3. Intelligent devices
  4. Business logistics systems

Answer(s): A

Explanation:

In the ISA-95 functional model, Level 2 is associated with monitoring and supervisory control systems. This includes systems such as HMI, SCADA, and control applications that supervise and manage industrial processes.

● Level 0 = physical process
● Level 1 = intelligent/sensing/control devices
● Level 2 = control and supervisory systems
● Level 4 = business logistics systems



Which tool is mentioned as part of integrated asset management tools?

  1. OpenNMS
  2. OTbase - Langner
  3. WinAudit
  4. Microsoft Assessment and Planning Toolkit (MAP)

Answer(s): B

Explanation:

OTbase (developed by Langner) is specifically designed for industrial asset inventory and asset management within Operational Technology (OT) and Industrial Automation and Control Systems (IACS) environments.



Which types of assets should be included in an asset inventory?

  1. Hardware, virtual hardware, and software
  2. Hardware, virtual hardware, and physical buildings
  3. Hardware, virtual hardware, and power utility lines
  4. Hardware, software, and qualified personnel

Answer(s): A

Explanation:

An IACS asset inventory should include cybersecurity-relevant technical assets, including physical hardware, virtualized hardware/assets, and software. Buildings, power utility lines, and personnel may be relevant to broader site context, but they are not the standard core asset inventory categories here.



Which should be included in an asset inventory for IACS hardware lists?

  1. All instrumentation
  2. All devices with Ethernet connection
  3. All distributed control system (DCS) components
  4. All programmable logic controller (PLC) components

Answer(s): B

Explanation:

For an IACS cybersecurity assessment, the hardware asset inventory should include network-connected devices because they may communicate across the control system network and introduce cybersecurity exposure. DCS and PLC components should be included when networked, but the broader and best answer is all devices with Ethernet connection.



What methodology is used for assessing the criticality of an IACS asset?

  1. Risk appetite assessment
  2. Business impact assessment
  3. Financial analysis
  4. Environmental impact study

Answer(s): B

Explanation:

A Business Impact Assessment/Analysis (BIA) is used to determine how important an IACS asset is by evaluating the consequences if that asset is unavailable, compromised, or fails. It considers operational, safety, financial, environmental, and reputational impact.



What is the correct order of the IACS Cybersecurity Lifecycle?

  1. Assess phase, develop and implement phase, maintain phase
  2. Assess phase, maintain phase, develop and implement phase
  3. Develop and implement phase, assess phase, maintain phase
  4. Maintain phase, develop and implement phase, assess phase

Answer(s): A

Explanation:

The IACS cybersecurity lifecycle begins with the Assess phase, where the system, risks, vulnerabilities, zones, conduits, and cybersecurity requirements are identified. Then comes the Develop and Implement phase, where countermeasures and security requirements are implemented. Finally, the Maintain phase ensures cybersecurity is monitored, reviewed, updated, and sustained over time.



How has the system architecture diagram model evolution impacted the risks associated with the system under consideration?

  1. It simplified the architecture.
  2. It reduced the number of components.
  3. It eliminated the need for assessments.
  4. It changed to a network model.

Answer(s): D

Explanation:

Traditional system architecture models have evolved toward more interconnected network-based models. This increases cybersecurity exposure because the SUC now includes more communication paths, interfaces, and possible threat vectors that must be assessed.



What attribute is NOT required for documenting hardware devices?

  1. Device type
  2. Serial number
  3. Appearance
  4. Manufacturer

Answer(s): C

Explanation:

A hardware asset inventory normally documents technical identification details such as device type, manufacturer, model information, serial number, firmware/version, location, and network information. Appearance is not a required inventory attribute.



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