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[General] Reliable GICSP Exam Pattern - Test GICSP Questions

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【General】 Reliable GICSP Exam Pattern - Test GICSP Questions

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GIAC Global Industrial Cyber Security Professional (GICSP) Sample Questions (Q32-Q37):NEW QUESTION # 32
What do the following protocols have in common?

  • A. Use of IPv6 in the network layer
  • B. Use in RF mesh networks
  • C. Ability to tunnel legacy protocols
  • D. Ability to use asymmetric join methods
Answer: B
Explanation:
WirelessHART, ISA100.11a, and ZigBee are all wireless communication protocols commonly used in industrial automation and control systems. A key characteristic they share is:
They use RF (Radio Frequency) mesh networking (B) to enable devices to communicate through multiple hops, improving reliability and coverage. Mesh networks allow devices to relay messages, creating a robust wireless infrastructure.
Use of IPv6 (A) is specific to some protocols but not common to all three.
Asymmetric join methods (C) and tunneling legacy protocols (D) are not shared features of all three.
The GICSP materials emphasize mesh network topology as a key feature of these protocols in enabling reliable and secure wireless ICS communications.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
WirelessHART, ISA100.11a, ZigBee Protocol Specifications
GICSP Training on Wireless ICS Protocols and Security

NEW QUESTION # 33
How is a WirelessHART enabled device authenticated?
  • A. Using the vendor hard-coded master key to obtain a link key
  • B. Using a PIN combined with the device MAC address
  • C. Using a join key to send an encrypted request for the shared network key
  • D. Using a WPA2 pre-shared key entered by an administrator
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
WirelessHART is a secure, industrial wireless protocol widely used in process control. Its security architecture uses a layered approach including encryption and authentication mechanisms to protect communications.
WirelessHART devices authenticate by first using a join key, which is a shared secret configured in both the device and the network manager. The device uses this join key to send an encrypted request to the network manager.
Upon successful authentication, the device receives the network key, which is used for encrypting ongoing communications within the network.
This method ensures that only authorized devices can join the network and participate in secure communications.
WPA2 (A) is a Wi-Fi standard, not used in WirelessHART; the vendor hard-coded master key (C) is discouraged due to security risks; and PIN plus MAC address (D) is not a WirelessHART authentication method.
This procedure is detailed in the GICSP's ICS Security Architecture domain, highlighting wireless device authentication protocols as per WirelessHART specifications.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
WirelessHART Specification (HART Communication Foundation)
GICSP Training Module on Wireless Security and Protocols

NEW QUESTION # 34
An attacker writes a program that enters a large number of characters into the password field of a website, followed by a command. The website gave him administrative access, even though he did not use a valid username or password.
What is the name of this attack?
  • A. Man-in-the-Middle
  • B. Fuzzing
  • C. Buffer overflow
  • D. Cross-site scripting
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
This is a classic description of a buffer overflow attack (B), where an attacker inputs excessive data into a field to overwrite memory and inject commands, potentially gaining unauthorized access.
(A) Man-in-the-Middle intercepts communications but doesn't involve input fields directly.
(C) Cross-site scripting involves injecting malicious scripts into web pages viewed by other users.
(D) Fuzzing is a testing technique, not an attack that grants access.
GICSP highlights buffer overflows as a critical vulnerability affecting ICS software and web interfaces.

NEW QUESTION # 35
A plant is being retrofitted with new cyber security devices in Purdue Level 3. What should the network security architect suggest for the installation?
  • A. Place the cyber security devices on their own subnet
  • B. Add a firewall to segregate the cyber security devices
  • C. Move the cyber security devices to a DMZ
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
In Purdue Level 3, which typically houses operations management systems and network devices, best practices for retrofitting security devices include placing those devices on their own subnet (B). This segmentation:
Limits broadcast domains and reduces unnecessary traffic
Enables easier management of security policies specific to cybersecurity devices Provides isolation that helps protect security devices from general network traffic and potential attacks Adding a firewall (A) is useful but does not replace subnet segregation. Moving devices to a DMZ (C) is typically reserved for systems that bridge between enterprise and ICS networks (often at Purdue Level 3 to Level 4 boundaries), not internal device placement within Level 3.
This approach is emphasized in GICSP's ICS Security Architecture & Network Segmentation domain as a fundamental network design principle.
Reference:
GICSP Official Study Guide, Domain: ICS Security Architecture & Design
NIST SP 800-82 Rev 2, Section 5.5 (Network Segmentation and Security Devices) GICSP Training on Network Security Architecture

NEW QUESTION # 36
Which of the following types of network devices sends traffic only to the intended recipient node?
  • A. Wireless access point
  • B. Ethernet hub
  • C. Wireless bridge
  • D. Ethernet switch
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 # 37
......
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