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| Section | Weight | Objectives |
|---|---|---|
| Industrial Automation and Control Systems (IACS) Overview | 15% | - Cybersecurity importance in industrial environments - IACS components, architectures and protocols - Differences between IT and OT security |
| Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Core security principles: CIA triad, defense-in-depth - Foundational security requirements - Zones and conduits model - Structure and parts of ISA/IEC 62443 standards |
| Security Operations & Incident Response | 20% | - Monitoring, maintenance and continuous improvement - Cybersecurity Management System (CSMS) - Incident handling and response processes |
| Access Control & Identity Management | 15% | - Security policies and procedures - User authentication and authorization - Role-based access control |
| Industrial Network Security | 30% | - Network segmentation and security architecture - Industrial protocols security - Threats, vulnerabilities and risk assessment |
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NEW QUESTION # 120
In a defense-in-depth strategy, what is the purpose of role-based access control?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 121
Which layer in the Open Systems Interconnection (OSI) model would include the use of the File Transfer Protocol (FTP)?
Available Choices (select all choices that are correct)
Answer: D
Explanation:
The File Transfer Protocol (FTP) is an application layer protocol that moves files between local and remote file systems. It runs on top of TCP, like HTTP. To transfer a file, 2 TCP connections are used by FTP in parallel: control connection and data connection. The control connection is used to send commands and responses between the client and the server, while the data connection is used to transfer the actual file. FTP is one of the standard communication protocols defined by the TCP/IP model and it does not fit neatly into the OSI model. However, since the OSI model is a reference model that describes the general functions of each layer, FTP can be considered as an application layer protocol in the OSI model, as it provides user services and interfaces to the network. The application layer is the highest layer in the OSI model and it is responsible for providing various network services to the users, such as email, web browsing, file transfer, remote login, etc. The application layer interacts with the presentation layer, which is responsible for data formatting, encryption, compression, etc. The presentation layer interacts with the session layer, which is responsible for establishing, maintaining, and terminating sessions between applications. The session layer interacts with the transport layer, which is responsible for reliable end-to-end data transfer and flow control. The transport layer interacts with the network layer, which is responsible for routing and addressing packets across different networks. The network layer interacts with the data link layer, which is responsible for framing, error detection, and medium access control. The data link layer interacts with the physical layer, which is responsible for transmitting and receiving bits over the physical medium. References:
* File Transfer Protocol (FTP) in Application Layer1
* FTP Protocol2
* What OSI layer is FTP?3
NEW QUESTION # 122
Which of the following is NOT a strategy for deploying a WAN?
Answer: D
Explanation:
A Local Area Network (LAN) is not a strategy for deploying a Wide Area Network (WAN). WAN deployment strategies include using the public Internet, private enterprise WANs, or carrier-managed WANs.
LANs, by definition, serve local, not wide-area, connectivity. ISA/IEC 62443 standards refer to different strategies for extending network communications over broader geographic regions, but do not classify LAN as a WAN deployment option.
Reference: ISA/IEC 62443-3-3:2013, Section 4.2.3.4 ("Communications network technologies"); Glossary definitions for LAN and WAN.
NEW QUESTION # 123
What is a major reason for maintaining an asset inventory baseline in Configuration Management (SP Element 2)?
Answer: D
Explanation:
SP Element 2 in ISA/IEC 62443-2-1 focuses on Configuration Management, with the asset inventory baseline as a foundational requirement.
Step 1: Purpose of an inventory baseline
The inventory baseline documents all hardware, software, firmware, and configuration items that make up the IACS. This establishes a known, trusted state of the system.
Step 2: Architecture visibility
By maintaining this baseline, the asset owner gains a clear and accurate understanding of the IACS architecture, including system components, versions, and dependencies.
Step 3: Why other options are incorrect
Physical access control and user authentication are addressed in different SP Elements. Event management detects anomalies, but it relies on the inventory baseline rather than replacing it.
Thus, the primary reason is to document IACS architecture.
NEW QUESTION # 124
A national standards body wants to represent its country's interests at an international level and adopt global standards locally. What role does this organization fulfill?
Answer: D
Explanation:
A National Standardization Body (NSB) represents a country's interests in international standards organizations like ISO or IEC, and is responsible for adopting and promoting these standards at the national level.
"A National Standardization Body (NSB) participates in the development of international standards, represents national interests, and facilitates the adoption of international standards as national standards."
- ISA/IEC 62443-1-1:2007 - Definitions and Governance Roles
In contrast:
A Global SDO (Standards Development Organization) works at the international level A Regulatory Agency enforces rules An Industry Consortium is a private collaboration, not a national entity References:
ISA/IEC 62443-1-1:2007 - Roles in Standardization
ISO/IEC Guide 21 - Adoption of International Standards
NEW QUESTION # 125
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