2023 ExamsReviews ISA ISA-IEC-62443 Dumps and Exam Test Engine
ISA ISA-IEC-62443 DUMPS WITH REAL EXAM QUESTIONS
NEW QUESTION # 17
Which organization manages the ISASecure conformance certification program?
Available Choices (select all choices that are correct)
- A. Automation Federation
- B. American Society for Industrial Security
- C. Security Compliance Institute
- D. National Institute of Standards and Technology
Answer: C
NEW QUESTION # 18
Which of the following is an industry sector-specific standard?
Available Choices (select all choices that are correct)
- A. ISO 27001
- B. API 1164
- C. NIST SP800-82
- D. ISA-62443 (EC 62443)
Answer: B
NEW QUESTION # 19
Which layer specifies the rules for Modbus Application Protocol
Available Choices (select all choices that are correct)
- A. Application layer
- B. Data link layer
- C. Session layer
- D. Presentation layer
Answer: A
NEW QUESTION # 20
Authorization (user accounts) must be granted based on which of the following?
Available Choices (select all choices that are correct)
- A. Specific roles
- B. System complexity
- C. Common needs for large groups
- D. Individual preferences
Answer: A
NEW QUESTION # 21
Which statement is TRUE reqardinq application of patches in an IACS environment?
Available Choices (select all choices that are correct)
- A. Patches should be applied based on the organization's risk assessment.
- B. Patches should be applied as soon as they are available.
- C. Patches never should be applied in an IACS environment.
- D. Patches should be applied within one month of availability.
Answer: A
NEW QUESTION # 22
Which of the following is the BEST reason for periodic audits?
Available Choices (select all choices that are correct)
- A. To meet regulations
- B. To validate that security policies and procedures are performing
- C. To confirm audit procedures
- D. To adhere to a published or approved schedule
Answer: B
NEW QUESTION # 23
Which of the following is an element of monitoring and improving a CSMS?
Available Choices (select all choices that are correct)
- A. Review of system logs and other key data files
- B. Restricted access to the industrial control system to an as-needed basis
- C. Increase in staff training and security awareness
- D. Significant changes in identified risk round in periodic reassessments
Answer: A
NEW QUESTION # 24
What are the three main components of the ISASecure Integrated Threat Analysis (ITA) Program?
Available Choices (select all choices that are correct)
- A. Communications robustness testing, functional security assurance, and software robustness
communications - B. Software development security assurance, functional security assessment, and communications
robustness testing - C. Communication speed, disaster recovery, and essential security functionality assessment
- D. Software robustness security testing, functional software assessment assurance, and essential security
functionality assessment
Answer: B
NEW QUESTION # 25
What do packet filter firewalls examine?
Available Choices (select all choices that are correct)
- A. The packet structure and sequence
- B. Every incoming packet up to the application layer
- 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 # 26
What.are the two elements of the risk analysis category of an IACS?
Available Choices (select all choices that are correct)
- A. Risk evaluation and risk identification
- B. Business recovery and risk elimination or mitigation
- C. Business rationale and risk identification and classification
- D. Business rationale and risk reduction and avoidance
Answer: C
NEW QUESTION # 27
Which is a physical layer standard for serial communications between two or more devices?
Available Choices (select all choices that are correct)
- A. RS432
- B. RS232
- C. RS235
- D. RS435
Answer: D
NEW QUESTION # 28
What are three possible entry points (pathways) that could be used for launching a cyber attack?
Available Choices (select all choices that are correct)
- A. LAN, portable media, and wireless
- B. LAN, portable media, and hard drives
- C. LAN, WAN, and hard drive
- D. LAN, power source, and wireless OD.
Answer: A
NEW QUESTION # 29
Why is OPC Classic considered firewall unfriendly?
Available Choices (select all choices that are correct)
- A. OPC Classic works with control devices from different manufacturers.
- B. OPC Classic uses DCOM, which dynamically assigns any port between 1024 and 65535.
- C. OPC Classic is an obsolete communication standard.
- D. OPC Classic is allowed to use only port 80.
Answer: B
NEW QUESTION # 30
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. Configuration settings are made by one party and self-reviewed using a checklist.
- C. Design and implementation are performed by the same team.
- D. Changes are approved by one party and implemented by another.
Answer: D
NEW QUESTION # 31
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. Personnel, policies, and procedures related to the security of computers, networks. PLCs, and other
programmable configurable components of the system - B. Security guidelines for the proper configuration of IACS 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: A
NEW QUESTION # 32
What are the four main categories for documents in the ISA-62443 (IEC 62443) series?
Available Choices (select all choices that are correct)
- A. End-User, Integrator, Vendor, and Regulator
- B. General. Policies and Procedures. System, and Component
- C. Assessment. Mitigation. Documentation, and Maintenance
- D. People. Processes. Technology, and Training
Answer: B
NEW QUESTION # 33
What are the two sublayers of Layer 2?
Available Choices (select all choices that are correct)
- A. OPC and DCOM
- B. LLC and MAC
- C. VLAN and VPN
- D. HIDS and NIDS
Answer: B
NEW QUESTION # 34
Which of the following ISA-99 (IEC 62443) Reference Model levels is named correctly?
Available Choices (select all choices that are correct)
- A. Level 2: Quality Control
- B. Level 4: Process
- C. Level 1: Supervisory Control
- D. Level 3: Operations Management
Answer: D
NEW QUESTION # 35
Which characteristic is MOST closely associated with the deployment of a demilitarized zone (DMZ)?
Available Choices (select all choices that are correct)
- A. Email is prevented, thereby mitigating the risk of phishing attempts.
- B. Level 0 can only interact with Level 1 through the firewall.
- C. Level 4 systems must use the DMZ to communicate with Level 3 and below.
- D. Internet access through the firewall is allowed.
Answer: C
NEW QUESTION # 36
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