ISA-IEC-62443 Cybersecurity Fundamentals Specialist
Dumps Exam || With Questions & All verified Solutions
(Rated A+)
MODELS - ANSWER ASSET MODEL
REFERENCE ARCHITECTURE MODEL
ZONE MODEL
Reference models provide the overall conceptual basis for above 3 models
REFERENCD MODEL levels (ISA 95) - ANSWER Five levels. Level0 to Level4
ISA 95 - Level4 - ANSWER business planning and logistics
ISA95 - Level3 - ANSWER Manufacturing Operations Management
ISA95 - Level2 - ANSWER Supervisory Control (monitoring and controling like temp
control, pressure control)
ISA95 - Level1 - ANSWER Local or Basic Control (sensors, boiler, furnace...)
ISA95 - Level0 - ANSWER Actual production process or actual physical process
The ISA-99 committee took - ANSWER the ISA-95 Purdue model (Reference model)
IACS cybersecurity lifecycle - ANSWER Assess, Develop and Implement, Maintain
Assess phase - ANSWER Zones are assigned SL-T based on risk assessment
Develop and implement phase - ANSWER countermeasures are applied to meet the
SL-T
maintain phase - ANSWER countermeasures are audited and/or tested and
upgraded, if necessary, to reach and maintain the SL-A
Assess phase in turn divided into (IC33 course) - ANSWER Initial or high level risk
assessment(part 3-2), Allocation of assets to zones or conduits (part 3-2), Detailed
risk assessment (part 3-2)
Develop and implement phase (IC 34 course) - ANSWER 1) Cybersecurity
requirements specification(part 3-2),
2) the design and engineering of cybersecurity countermeasures(part 3-3) and
3) the installation, commissioning and validation of cybersecurity countermeasures
(part 3-3)
Dumps Exam || With Questions & All verified Solutions
(Rated A+)
MODELS - ANSWER ASSET MODEL
REFERENCE ARCHITECTURE MODEL
ZONE MODEL
Reference models provide the overall conceptual basis for above 3 models
REFERENCD MODEL levels (ISA 95) - ANSWER Five levels. Level0 to Level4
ISA 95 - Level4 - ANSWER business planning and logistics
ISA95 - Level3 - ANSWER Manufacturing Operations Management
ISA95 - Level2 - ANSWER Supervisory Control (monitoring and controling like temp
control, pressure control)
ISA95 - Level1 - ANSWER Local or Basic Control (sensors, boiler, furnace...)
ISA95 - Level0 - ANSWER Actual production process or actual physical process
The ISA-99 committee took - ANSWER the ISA-95 Purdue model (Reference model)
IACS cybersecurity lifecycle - ANSWER Assess, Develop and Implement, Maintain
Assess phase - ANSWER Zones are assigned SL-T based on risk assessment
Develop and implement phase - ANSWER countermeasures are applied to meet the
SL-T
maintain phase - ANSWER countermeasures are audited and/or tested and
upgraded, if necessary, to reach and maintain the SL-A
Assess phase in turn divided into (IC33 course) - ANSWER Initial or high level risk
assessment(part 3-2), Allocation of assets to zones or conduits (part 3-2), Detailed
risk assessment (part 3-2)
Develop and implement phase (IC 34 course) - ANSWER 1) Cybersecurity
requirements specification(part 3-2),
2) the design and engineering of cybersecurity countermeasures(part 3-3) and
3) the installation, commissioning and validation of cybersecurity countermeasures
(part 3-3)
