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ISA 62443 IC34 EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+
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ISA 62443 IC34 EXAM REVIEW QUESTIONS AND ANSWERS, GRADED A+ What is phase 1 of the IACS Cybersecurity Life Cycle? - -Assess What is phase 2 of the IACS Cybersecurity Life Cycle? - -Develop & Implement What is phase 3 of the IACS Cybersecurity Life Cycle? - -Maintain When are countermeasures ar...

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  • April 11, 2024
  • 8
  • 2023/2024
  • Exam (elaborations)
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1 ISA 62443 IC34 EXAM REVIEW QUESTIONS AND ANSWERS,
GRADED A+



What is phase 1 of the IACS Cybersecurity Life Cycle? - ✅✅-Assess



What is phase 2 of the IACS Cybersecurity Life Cycle? - ✅✅-Develop & Implement



What is phase 3 of the IACS Cybersecurity Life Cycle? - ✅✅-Maintain



When are countermeasures are implemented to meet the Target Security Level (SL-T)? - ✅✅-During
the Develop & Implement phase of ICS security implementation



What is the primary goal of the Maintain phase in ICS security implementation? - ✅✅-To ensure the
Achieved Security Level (SL-A) is equal to or better than the Target Security Level (SL-T).*



What is step 1 of the IACS Cybersecurity Life Cycle (Assess Phase)? - ✅✅-High-Level Cyber Risk
Assessment



What is step 2 of the IACS Cybersecurity Life Cycle (Assess Phase)? - ✅✅-Allocation of IACS Assets to
Security Zones or Conduits



What is step 3 of the IACS Cybersecurity Life Cycle (Assess Phase)? - ✅✅-Detail Cyber Risk Assessment



What is step 4 of the IACS Cybersecurity Life Cycle (Develop & Implement Phase)? - ✅✅-Cybersecurity
Requirements Specification



What is step 5 of the IACS Cybersecurity Life Cycle (Develop & Implement Phase)? - ✅✅-Design and
engineering of Cybersecurity countermeasures

, What is step 6 of the IACS Cybersecurity Life Cycle (Develop & Implement Phase)? - ✅✅-Installation,
commissioning and validation of Cybersecurity countermeasures



What is step 7 of the IACS Cybersecurity Life Cycle (Maintain)? - ✅✅-Cybersecurity Maintenance,
Monitoring and Management of Change



What is step 8 of the IACS Cybersecurity Life Cycle (Maintain)? - ✅✅-Cyber Incident Response &
Recovery



What are the continuous processes activities of the IACS Cybersecurity Life Cycle? - ✅✅-Cybersecurity
Management System: Policies, Procedures, Training & Awareness, Periodic Cybersecurity Audits



A risk assessment should provide information about what? - ✅✅-An entire system as well as each zone



What information should be provided from a risk assessment? - ✅✅--Risk profile

-Highest severity consequences

-Threats / vulnerabilities leading to the highest risks

-Target Security Levels

-Recommendations



What is the named output of a risk assessment? - ✅✅-Cybersecurity Requirement Specifications (CRS)



Once created, what is the Cybersecurity Requirement Specifications (CRS) used for? - ✅✅-Input for the
Develop & Implementation phase



What, at a minimum, should Cybersecurity Requirement Specifications (CRS) include? - ✅✅--SUC
description

-Zone and conduit drawings

-Zone and conduit characteristics

-Operating environment assumptions

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