GIAC GICSP Exam Questions | Reduce Your Fear in Final Exam

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GIAC GICSP Exam Syllabus Topics:

SectionObjectives
Topic 1: Industrial Security Architecture and Defense- Defensive architectures
  • 1. Secure remote access design
    • 2. Network segmentation and DMZ design
      - Security controls in industrial environments
      • 1. Monitoring and logging strategies
        • 2. Intrusion detection systems for ICS
          Topic 2: Industrial Cybersecurity Risk and Vulnerability Management- Vulnerability management in ICS
          • 1. Patch management constraints in OT
            • 2. Asset inventory and classification
              - Threat modeling in OT environments
              • 1. Risk assessment methodologies
                • 2. Attack surface identification
                  Topic 3: Incident Response and Operational Security- Incident response in OT environments
                  • 1. Recovery and restoration considerations
                    • 2. Response planning and coordination
                      - Operational continuity and safety
                      • 1. Safety vs security tradeoffs
                        • 2. Business continuity planning for ICS
                          Topic 4: Industrial Control Systems Security Fundamentals- ICS/SCADA architectures and components
                          • 1. Control system components and functions
                            • 2. Network segmentation and zones/conduits
                              - Industrial protocols and communications
                              • 1. Common ICS protocols (Modbus, DNP3, OPC)
                                • 2. Protocol security considerations

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                                  GIAC Global Industrial Cyber Security Professional (GICSP) Sample Questions (Q31-Q36):

                                  NEW QUESTION # 31
                                  What kind of data could be found on a historian?

                                  Answer: A

                                  Explanation:
                                  An industrial historian is a specialized database system designed to collect, store, and retrieve time-series data from industrial control systems. It primarily stores process data, event logs, and measurements over time, which are essential for trend analysis, reporting, and regulatory compliance.
                                  Historian data is often used for billing purposes (A), especially in utilities and process industries, where consumption data is recorded and later used to generate customer bills.
                                  Option (B), real-time supervision of lower-level controllers, is typically handled by SCADA or control system software, not the historian itself.
                                  (C) Diagrams are stored in engineering tools or documentation repositories, not historians.
                                  (D) Runtime libraries are software components and not stored on historians.
                                  The GICSP curriculum clarifies that historians are central to operational analytics and long-term data storage but are not real-time control systems themselves.
                                  Reference:
                                  GICSP Official Study Guide, Domain: ICS Fundamentals & Architecture
                                  NIST SP 800-82 Rev 2, Section 6.3 (Data Historians and Data Acquisition) GICSP Training Materials on ICS Data Management


                                  NEW QUESTION # 32
                                  How could Wireshark be utilized in an attack against devices at Purdue levels 0 or 1?

                                  Answer: D

                                  Explanation:
                                  Wireshark is a network protocol analyzer primarily used to capture and analyze network traffic. At Purdue levels 0 or 1 (which include physical devices like sensors, actuators, and controllers communicating over industrial protocols), Wireshark can be used to:
                                  Capture serial and fieldbus communications (A), such as Modbus, Profibus, or Ethernet-based protocols, if the network media is accessible. This can reveal sensitive operational data and control commands.
                                  Wireshark cannot capture communications between chips on a board (B) because this is hardware-level, not network traffic.
                                  Detecting open ports by sending packets (C) is a function of port scanning tools, not Wireshark.
                                  Detecting asymmetrical keys or brute forcing crypto keys (D and E) are not capabilities of Wireshark.
                                  The GICSP training highlights the risk of passive monitoring via tools like Wireshark as a means for attackers to gain insight into control system operations.
                                  Reference:
                                  GICSP Official Study Guide, Domain: ICS Security Operations & Incident Response NIST SP 800-82 Rev 2, Section 7.5 (Monitoring and Analysis Tools) GICSP Training on Network Traffic Analysis and ICS Attack Vectors


                                  NEW QUESTION # 33
                                  Use
                                  sqlmap to dump tables from http://locjlhost/index.php? page-login, php.The data necessary for this is as follows:

                                  How many tables does sqlmap find in the dojo control database? Hint: The option to dump tables is-tables

                                  Answer: G

                                  Explanation:
                                  This question relates to the use of sqlmap, a popular automated tool for detecting and exploiting SQL injection vulnerabilities, which is part of the GICSP skillset in vulnerability assessment and exploitation.
                                  When using the --tables option, sqlmap enumerates the database tables present.
                                  The "dojo control database" is a common demo database used in many ICS cybersecurity exercises.
                                  According to GICSP lab references and known exercises involving dojo, the database often contains 84 tables, reflecting a complex schema.
                                  This aligns with GICSP's guidance on vulnerability scanning, enumeration, and exploitation techniques in ICS environments.


                                  NEW QUESTION # 34
                                  Which ICS-specific protocol was designed to allow efficient communication between field devices and control systems while minimizing bandwidth usage?
                                  Response:

                                  Answer: A


                                  NEW QUESTION # 35
                                  Why is it important to perform regular disaster recovery tests and drills in an ICS environment?
                                  Response:

                                  Answer: C


                                  NEW QUESTION # 36
                                  ......

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