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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Access Control & Identity Management | 15% | - Security policies and procedures - User authentication and authorization - Role-based access control |
| Topic 2: Security Fundamentals & ISA/IEC 62443 Framework | 20% | - Zones and conduits model - Foundational security requirements - Core security principles: CIA triad, defense-in-depth - Structure and parts of ISA/IEC 62443 standards |
| Topic 3: Security Operations & Incident Response | 20% | - Incident handling and response processes - Monitoring, maintenance and continuous improvement - Cybersecurity Management System (CSMS) |
| Topic 4: Industrial Network Security | 30% | - Industrial protocols security - Network segmentation and security architecture - Threats, vulnerabilities and risk assessment |
| Topic 5: Industrial Automation and Control Systems (IACS) Overview | 15% | - Differences between IT and OT security - IACS components, architectures and protocols - Cybersecurity importance in industrial environments |
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NEW QUESTION # 59
What does IACS stand for?
Answer: B
Explanation:
IACS stands for "Industrial Automation and Control Systems." The ISA/IEC 62443 series defines IACS as systems used for industrial automation, process control, and related functions. These include systems such as Distributed Control Systems (DCS), SCADA systems, and PLCs. The term encompasses all electronic systems, networks, and equipment used to automate industrial processes.
Reference: ISA/IEC 62443-1-1:2007, Section 3.2.1 (Definitions and Abbreviations); Glossary entry for
"IACS."
NEW QUESTION # 60
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: B
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 # 61
Which is a physical layer standard for serial communications between two or more devices?
Available Choices (select all choices that are correct)
Answer: C
Explanation:
RS232 is a physical layer standard for serial communication between two or more devices. It defines the electrical characteristics, timing, and pinout of connectors for serial data transmission. RS232 is widely used in industrial communication devices, such as PLCs, measuring instruments, and network servers. RS232 allows only one master and one slave to communicate on each line, and operates in a full duplex mode. RS232 haslower transmission speed, shorter maximum cable length, and larger voltage swing than later standards such as RS422 and RS485123 References: 1: Basics of RS232, RS422, and RS485 Serial Communication 2: RS-232 - Wikipedia 3: RS232 Serial Communication Protocol: Basics, Working & Specifications
NEW QUESTION # 62
Which is the BEST practice when establishing security zones?
Available Choices (select all choices that are correct)
Answer: B
NEW QUESTION # 63
How should outreach be handled with product suppliers and service providers?
Answer: A
Explanation:
According to ISA/IEC 62443-2-4 and 62443-4-1, it is critical that clear and open communication channels are established with asset owners and service providers for reporting vulnerabilities and managing patches.
Outreach is a proactive activity, not a post-incident reaction.
"The supplier shall provide the asset owner with documented vulnerability disclosure procedures, including how to report vulnerabilities or suspicious behavior."
- ISA/IEC 62443-4-1:2018, SR 6.2.2
Further, 62443-2-4 emphasizes that maintenance and patching communications must be timely, transparent, and structured.
"The service provider shall ensure the asset owner is informed of known vulnerabilities, and provided with the necessary information to assess and manage associated risks."
- ISA/IEC 62443-2-4:2015, Clause 4.4.3.4
References:
ISA/IEC 62443-4-1:2018 - SR 6.2.2
ISA/IEC 62443-2-4:2015 - Clause 4.4.3.4
ISA/IEC 62443-2-1 - Asset Owner responsibilities in vulnerability management
NEW QUESTION # 64
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