A fully updated 2024 ISA-IEC-62443 Exam Dumps exam guide from training expert TrainingQuiz
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NEW QUESTION # 34
Electronic security, as defined in ANSI/ISA-99.00.01:2007. includes which of the following?
Available Choices (select all choices that are correct)
- A. Security guidelines for the proper configuration of IACS PLCs and other programmable configurable
components of the system - B. Personnel, policies, and procedures related to the security of computers, networks. PLCs, and other
programmable configurable components of the system - C. Computers, networks, operating systems, applications, and other programmable configurable
components of the system - D. Security guidelines for the proper configuration of IACS computers and operating systems
Answer: B
NEW QUESTION # 35
Who must be included in a training and security awareness program?
Available Choices (select all choices that are correct)
- A. Employees
- B. All personnel
- C. Vendors and suppliers
- D. Temporary staff
Answer: B
NEW QUESTION # 36
Which of the following is a trend that has caused a significant percentage of security vulnerabilities?
Available Choices (select all choices that are correct)
- A. IACS becoming integrated with business and enterprise systems
- B. IACS using equipment designed for measurement and control
- C. IACS developing into a network of air-gapped systems
- D. IACS evolving into a number of closed proprietary systems
Answer: A
NEW QUESTION # 37
What is the name of the protocol that implements serial Modbus over Ethernet?
Available Choices (select all choices that are correct)
- A. MODBUS/Ethernet
- B. MODBUS/CIP
- C. MODBUS/TCP
- D. MODBUS/Plus
Answer: C
NEW QUESTION # 38
Which of the following is an example of separation of duties as a part of system development and
maintenance?
Available Choices (select all choices that are correct)
- A. Developers write and then test their own code.
- B. Design and implementation are performed by the same team.
- C. Changes are approved by one party and implemented by another.
- D. Configuration settings are made by one party and self-reviewed using a checklist.
Answer: C
NEW QUESTION # 39
Which is the PRIMARY reason why Modbus over Ethernet is easy to manaqe in a firewall?
Available Choices (select all choices that are correct)
- A. Modbus uses a single master to communicate with multiple slaves usinq simple commands.
- B. Modbus is a proprietary protocol that is widely supported by vendors.
- C. Modbus uses explicit source and destination IP addresses and a sinqle known TCP port.
- D. Modbus has no known security vulnerabilities, so firewall rules are simple to implement.
Answer: C
NEW QUESTION # 40
What does the abbreviation CSMS round in ISA 62443-2-1 represent?
Available Choices (select all choices that are correct)
- A. Cyber Security Management System
- B. Control System Monitoring System
- C. Cyber Security Monitoring System
- D. Control System Management System
Answer: A
NEW QUESTION # 41
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)
- A. Process Hazard Analysis (PHA)
- B. Failure Mode and Effects Analysis
- C. System Safety Analysis(SSA)
- D. Job Safety Analysis
Answer: A
NEW QUESTION # 42
The Risk Analysis category contains background information that is used where?
Available Choices (select all choices that are correct)
- A. Only the Assessment element
- B. (Elements external to the CSMS
- C. Only the Risk ID element
- D. Many other elements in the CSMS
Answer: C
NEW QUESTION # 43
What do packet filter firewalls examine?
Available Choices (select all choices that are correct)
- A. Every incoming packet up to the application layer
- B. The packet structure and sequence
- C. Only the source, destination, and ports in the header of each packet
- D. The relationships between packets in a session
Answer: C
NEW QUESTION # 44
What is a commonly used protocol for managing secure data transmission over a Virtual Private Network
(VPN)?
Available Choices (select all choices that are correct)
- A. SSH
- B. IPSec
- C. MPLS
- D. HTTPS
Answer: B
NEW QUESTION # 45
Which of the following is the BEST example of detection-in-depth best practices?
Available Choices (select all choices that are correct)
- A. Role-based access control and VPNs
- B. Firewalls and unexpected protocols being used
- C. Role-based access control and unusual data transfer patterns
- D. IDS sensors deployed within multiple zones in the production environment
Answer: D
NEW QUESTION # 46
What does Layer 1 of the ISO/OSI protocol stack provide?
Available Choices (select all choices that are correct)
- A. Data encryption, routing, and end-to-end connectivity
- B. User applications specific to network applications such as reading data registers in a PLC
- C. The electrical and physical specifications of the data connection
- D. Framing, converting electrical signals to data, and error checking
Answer: C
NEW QUESTION # 47
Which is the PRIMARY responsibility of the network layer of the Open Systems Interconnection (OSI)
model?
Available Choices (select all choices that are correct)
- A. Gives transparent transfer of data between end users
- B. Forwards packets, including routing through intermediate routers
- C. Provides the rules for framing, converting electrical signals to data
- D. Handles the physics of getting a message from one device to another
Answer: B
NEW QUESTION # 48
Which of the following ISA-99 (IEC 62443) Reference Model levels is named correctly?
Available Choices (select all choices that are correct)
- A. Level 4: Process
- B. Level 1: Supervisory Control
- C. Level 2: Quality Control
- D. Level 3: Operations Management
Answer: D
NEW QUESTION # 49
Why is patch management more difficult for IACS than for business systems?
Available Choices (select all choices that are correct)
- A. Business systems automatically update.
- B. Many more approvals are required.
- C. Patching a live automation system can create safety risks.
- D. Overtime pay is required for technicians.
Answer: C
NEW QUESTION # 50
Whose responsibility is it to determine the level of risk an organization is willing to tolerate?
Available Choices (select all choices that are correct)
- A. Management
- B. Operations Department
- C. Legal Department
- D. Safety Department
Answer: A
NEW QUESTION # 51
Which activity is part of establishing policy, organization, and awareness?
Available Choices (select all choices that are correct)
- A. Communicate policies.
- B. Establish the risk tolerance.
- C. Implement countermeasures.
- D. Identify detailed vulnerabilities.
Answer: A
NEW QUESTION # 52
What is the definition of "defense in depth" when referring to
Available Choices (select all choices that are correct)
- A. Using countermeasures that have intrinsic technical depth.
- B. Requiring a minimum distance requirement between security assets
- C. Applying multiple countermeasures in a layered or stepwise manner
- D. Aligning all resources to provide a broad technical gauntlet
Answer: C
NEW QUESTION # 53
Which of the following provides the overall conceptual basis in the design of an appropriate security program?
Available Choices (select all choices that are correct)
- A. Asset model
- B. Reference architecture
- C. Zone model
- D. Reference model
Answer: D
NEW QUESTION # 54
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)
- A. Process Hazard Analysis (PHA)
- B. Failure Mode and Effects Analysis
- C. System Safety Analysis(SSA)
- D. Job Safety Analysis(JSA)
Answer: A
NEW QUESTION # 55
In which layer is the physical address assigned?
Available Choices (select all choices that are correct)
- A. Layer 7
- B. Layer 2
- C. Layer 1
- D. Layer 3
Answer: B
NEW QUESTION # 56
Which of the following is a cause for the increase in attacks on IACS?
Available Choices (select all choices that are correct)
- A. Use of proprietary communications protocols
- B. The move away from commercial off the shelf (COTS) systems, protocols, and networks
- C. Fewer personnel with system knowledge having access to IACS
- D. Knowledge of exploits and tools readily available on the Internet
Answer: B
NEW QUESTION # 57
Which is the BEST practice when establishing security zones?
Available Choices (select all choices that are correct)
- A. Security zones should contain assets that share common security requirements.
- B. All components in a large or complex system should be in the same security zone.
- C. Security zones should align with physical network segments.
- D. Assets within the same logical communication network should be in the same security zone.
Answer: A
NEW QUESTION # 58
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