Study GICSP Reference - Real GICSP Question

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GIAC GICSP Exam Syllabus Topics:

SectionObjectives
ICS Incident Response and Recovery- Incident Response Planning
  • 1. ICS-specific IR requirements and priorities
  • 2. Coordination between IT and OT teams
- Recovery and Continuity
  • 1. Process continuity and restoration
  • 2. Disaster recovery planning
- Detection and Analysis
  • 1. Forensics and evidence collection
  • 2. Monitoring and anomaly detection
ICS Governance, Policy, and Compliance- Standards and Compliance
  • 1. IEC 62443, NIST, and industry regulations
  • 2. Audit and assessment processes
- Security Program Development
  • 1. Change management and configuration control
  • 2. Security policies and procedures
- Training and Awareness
  • 1. Role-based training requirements
  • 2. Personnel security awareness
ICS Components, Architecture, and Protocols- Purdue Reference Architecture
  • 1. Levels 0–1 devices, technologies, and vulnerabilities
  • 2. Network segmentation and security zones
  • 3. Levels 2–3 devices, technologies, and vulnerabilities
- Communications and Protocols
  • 1. Cryptography and secure communications
  • 2. TCP/IP and industrial-specific protocols
  • 3. Protocol vulnerabilities and attacks
- ICS Overview and Concepts
  • 1. Differences between ICS and IT environments
  • 2. ICS roles, responsibilities, and lifecycle
  • 3. Physical security considerations
ICS Threats, Vulnerabilities, and Risk Management- Vulnerabilities and Attack Surfaces
  • 1. Attack vectors and exploitation methods
  • 2. Common vulnerabilities in ICS components
- Risk Assessment and Management
  • 1. Risk assessment frameworks (NIST SP 800-82, IEC 62443)
  • 2. Risk mitigation strategies
- Threat Landscape and Threat Modeling
  • 1. ICS-specific threats and actors
  • 2. Threat modeling methodologies
ICS Security Architecture and Defense- Defense-in-Depth Strategies
  • 1. Network segmentation and access control
  • 2. Perimeter and internal security controls
- System and Device Hardening
  • 1. Firmware and software security
  • 2. Secure configuration and patch management
- Wireless and Remote Access Security
  • 1. Secure remote access methods
  • 2. Wireless technologies in ICS

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GIAC Global Industrial Cyber Security Professional (GICSP) Sample Questions (Q33-Q38):

NEW QUESTION # 33
What is a use of Network Address Translation?

Answer: D

Explanation:
Network Address Translation (NAT) is a technique used to hide private IP addresses behind a public IP address (C), providing security benefits by masking internal network structures from external networks. NAT also conserves public IP addresses and allows multiple devices to share a single IP when accessing external networks.
While NAT affects routing and firewall operations, its primary purpose is not to maximize firewall functionality (A), simplify access lists (B), or enable routing (D), although it may indirectly impact these functions.
GICSP training stresses NAT as part of network security design, especially at the boundary between enterprise and ICS networks.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
NIST SP 800-82 Rev 2, Section 5.5 (Network Architecture)
GICSP Training on Network Security Fundamentals


NEW QUESTION # 34
Which of the following is part of the Respond function of the NIST CSF (cybersecurity framework)?

Answer: C

Explanation:
The Respond function of the NIST Cybersecurity Framework (CSF) focuses on activities to contain, mitigate, and eradicate incidents once detected.
Performing forensic analysis and eradicating malware (B) falls clearly within the Respond function.
(A) Discovering malicious activity is part of the Detect function.
(C) Restoring from backup is part of the Recover function.
(D) Limiting user access is a Preventive control under the Protect function.
GICSP training maps ICS security activities to the NIST CSF to guide structured incident response.
Reference:
GICSP Official Study Guide, Domain: ICS Security Operations & Incident Response NIST CSF Framework (Respond Function) GICSP Training on Incident Handling and Response


NEW QUESTION # 35
To enhance the security of TCP/IP-based communication in an ICS environment, which of the following actions should you implement?
(Select all that apply)
Response:

Answer: A,B,D


NEW QUESTION # 36
What type of physical security control is a procedure that details what to do in the event of a security breach?

Answer: B

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
A responsive physical security control refers to actions or procedures implemented after a security breach or incident has been detected, guiding how personnel should respond to minimize damage and restore security.
Procedures outlining what to do during or after a breach fall into this category (A).
Detective controls (B) identify or detect intrusions but do not specify response steps.
Delaying controls (C) slow down an attacker physically.
Deterrence (D) aims to discourage attackers from attempting intrusion.
GICSP emphasizes responsive controls as part of a comprehensive security program, including physical security incident response plans.
Reference:
GICSP Official Study Guide, Domain: ICS Security Governance & Compliance GICSP Training on Physical Security Controls and Incident Response


NEW QUESTION # 37
What is a recommended practice for configuring enforcement boundary devices in an ICS control network?

Answer: C

Explanation:
Enforcement boundary devices like firewalls play a critical role in ICS network security. A best practice is to:
Enable full packet collection for all allowed and denied traffic (B) on next-generation firewalls. This facilitates deep inspection, detailed logging, and auditing, which are vital for detecting anomalous or malicious activity.
Other options are less effective or counterproductive:
(A) Dropping inbound packets with source addresses from the protected network is generally illogical and may disrupt normal traffic.
(C) Stateless access control is less secure and less manageable than stateful inspection.
(D) Default allow egress policies increase risk by permitting unnecessary outbound traffic.
GICSP stresses detailed logging and stateful inspection as core security controls for enforcement points.
Reference:
GICSP Official Study Guide, Domain: ICS Security Operations & Incident Response NIST SP 800-82 Rev 2, Section 5.5 (Network Security and Firewalls) GICSP Training on Network Boundary Protection


NEW QUESTION # 38
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