ISA99 ICSSCADA Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A security consultant is helping a client implement ISA99. The client wants to know which part of the standard provides detailed system security requirements that can be used to assess the security of a system. Which part should the consultant reference?

   • AISA-62443-4-2, which provides technical requirements for components.
   • BISA-62443-2-1, which provides requirements for a security management system.
   • CISA-62443-3-3, which provides system security requirements and security levels.
   • DISA-62443-1-1, which provides terminology and models.
   Reveal Solution Discussion Select an answer first
2. 2expert · medium

   A mining company is implementing ISA99 guidance for its remote operations center. The center monitors and controls equipment at multiple mine sites. The company wants to improve security but has limited IT staff at the remote sites. Which implementation approach is most practical according to ISA99?

   • AImplement a centralized security monitoring and management system that can be operated from the main office.
   • BDeploy a full security team at each remote site to manage security locally.
   • CRely on the vendor's security features and do not implement additional controls.
   • DDisconnect the remote sites from the central network to eliminate the need for security.
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   Which statement best describes the scope of the ISA99 standards?

   • AThey focus exclusively on network security and do not address physical security
   • BThey are limited to the design phase of industrial systems and do not cover operational security
   • CThey apply only to safety instrumented systems used in process industries
   • DThey cover all aspects of industrial automation and control system security, including people, processes, and technology
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5. 4application · medium

   A chemical company is implementing ISA99 foundational requirements for its distributed control system (DCS). The DCS has a historian that collects data from multiple controllers. The company wants to ensure that the data in the historian is not tampered with. Which ISA99 foundational requirement is most directly addressed by implementing data integrity controls on the historian?

   • ARestricted data flow (RDF)
   • BUse control (UC)
   • CData integrity (DI)
   • DAccess control (AC)
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   In the ISA99 (ISA-62443) series, which part provides the foundational terminology, concepts, and models used throughout the other parts?

   • APart 3: System Security Requirements
   • BPart 4: Component Security Requirements
   • CPart 1: Concepts and Models
   • DPart 2: Security Management Systems
   Reveal Solution Discussion Select an answer first