GIAC GICSP PDF Questions

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GIAC GICSP Exam Syllabus Topics:

SectionWeightObjectives
Industrial Control Systems (ICS) Security Fundamentals15%- ICS Architecture and Components
  • 1. Human Machine Interface (HMI)
  • 2. Supervisory Control and Data Acquisition (SCADA)
  • 3. Distributed Control Systems (DCS)
  • 4. Programmable Logic Controllers (PLC)
- ICS Communication Protocols
  • 1. OPC
  • 2. PROFINET
  • 3. EtherNet/IP
  • 4. DNP3
  • 5. Modbus
Incident Response and Recovery20%- Business Continuity and Disaster Recovery
  • 1. Testing and Validation
  • 2. System Redundancy
  • 3. Backup and Restoration Procedures
- ICS Incident Response
  • 1. Eradication and Recovery
  • 2. Containment Strategies
  • 3. Incident Detection and Analysis
ICS Threats and Vulnerabilities25%- ICS-Specific Vulnerabilities
  • 1. Firmware Vulnerabilities
  • 2. Protocol Vulnerabilities
  • 3. Authentication Weaknesses
- Common ICS Attack Vectors
  • 1. Malware targeting ICS
  • 2. Remote Access Vulnerabilities
  • 3. Supply Chain Attacks
ICS Risk Management and Assessment20%- Risk Assessment Methodologies
  • 1. IEC 62443 Standards
  • 2. Risk Assessment Frameworks
  • 3. NIST SP 800-82 Guidelines
- Security Controls Implementation
  • 1. Technical Controls
  • 2. Administrative Controls
  • 3. Physical Controls
ICS Network Security20%- Network Segmentation and Architecture
  • 1. Purdue Enterprise Reference Architecture
  • 2. Demilitarized Zones (DMZ)
  • 3. Zone and Conduit Model
- Network Security Controls
  • 1. Network Monitoring and Anomaly Detection
  • 2. Intrusion Detection/Prevention Systems
  • 3. Firewalls and Access Control Lists

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GIAC Global Industrial Cyber Security Professional (GICSP) Sample Questions (Q30-Q35):

NEW QUESTION # 30
You have been tasked with securing an ICS endpoint running Windows. Which of the following hardening steps should you perform?
(Select all that apply)
Response:

Answer: A,B,D


NEW QUESTION # 31
Which resource includes a standardized categorization of common software vulnerabilities?

Answer: C

Explanation:
The Common Weakness Enumeration (CWE) (A) is a comprehensive list and taxonomy of common software weaknesses and vulnerabilities. It provides standardized names and definitions that help organizations identify and mitigate software security issues.
CVSS (B) is a scoring system used to rate the severity of vulnerabilities but does not categorize them.
CSC (C) refers to Critical Security Controls, a set of best practices, not a vulnerability catalog.
CIP (D) relates to Critical Infrastructure Protection standards, not vulnerability taxonomy.
GICSP includes CWE as an essential resource for understanding and classifying software vulnerabilities within ICS.
Reference:
GICSP Official Study Guide, Domain: ICS Security Governance & Compliance MITRE CWE Website GICSP Training on Vulnerability Management


NEW QUESTION # 32
What is the primary goal of developing a cybersecurity program for an ICS environment?
Response:

Answer: D


NEW QUESTION # 33
From the GIAC directory on the Desktop, open gicsp.pcap in Wireshark and filter for USB Capture data.
Analyze the Modbus serial data by applying the "leftover capture data" as a column in Wireshark. In packet
28, what read function is requested? Use the protocol description in the image.

Answer: E

Explanation:
The question requires identifying the Modbus function code in a specific packet (packet 28) from a USB capture analyzed in Wireshark. Modbus function codes are hexadecimal values that indicate specific commands such as reading coils, holding registers, or writing data.
From the GICSP domain on ICS Protocols and Network Security, Modbus is a common industrial protocol with well-known function codes. For example:
0x01 = Read Coils
0x02 = Read Discrete Inputs
0x03 = Read Holding Registers
0x04 = Read Input Registers
0x05 = Write Single Coil
0x06 = Write Single Register
0x08 = Diagnostics
0x09, 0x0a, 0x07 correspond to less common or vendor-specific functions.
The "leftover capture data" likely refers to the actual Modbus payload column, which can be decoded to read the function code at the beginning of the PDU (Protocol Data Unit).
Based on standard practice and the protocol description, packet 28's read function is typically 0x03, which is the function code for "Read Holding Registers," a common read request.
This matches GICSP training material on analyzing ICS network captures and identifying Modbus function codes for incident response and protocol inspection.


NEW QUESTION # 34
Which of the following types of network devices sends traffic only to the intended recipient node?

Answer: D

Explanation:
An Ethernet switch (C) is a network device that learns the MAC addresses of connected devices and forwards packets only to the port associated with the destination node, reducing unnecessary traffic and improving security and efficiency.
An Ethernet hub (A) broadcasts incoming packets to all ports, not selectively.
A wireless access point (B) broadcasts signals to multiple wireless clients within range.
A wireless bridge (D) connects two network segments wirelessly but forwards traffic according to device types, not necessarily selectively to single nodes.
GICSP's ICS network segmentation and architecture domain underline the use of switches to limit broadcast traffic and reduce attack surfaces.
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 Devices and Traffic Management


NEW QUESTION # 35
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