Latest Success Metrics For Actual ISA-IEC-62443 Exam 2023 Realistic Dumps
Updated ISA-IEC-62443 Dumps Questions For ISA Exam
NEW QUESTION # 20
Which of the following is an element of monitoring and improving a CSMS?
Available Choices (select all choices that are correct)
- A. Increase in staff training and security awareness
- B. Restricted access to the industrial control system to an as-needed basis
- C. Significant changes in identified risk round in periodic reassessments
- D. Review of system logs and other key data files
Answer: D
NEW QUESTION # 21
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)
- A. Session layer
- B. Transport layer
- C. Data link layer
- D. Application layer
Answer: D
NEW QUESTION # 22
In a defense-in-depth strategy, what is the purpose of role-based access control?
Available Choices (select all choices that are correct)
- A. Ensures that users correctly manage their username and password
- B. Ensures that users can access only certain devices on the network
- C. Ensures that users can access systems from remote locations
- D. Ensures that users can access only the functions they need for their job
Answer: D
NEW QUESTION # 23
What are the four main categories for documents in the ISA-62443 (IEC 62443) series?
Available Choices (select all choices that are correct)
- A. People. Processes. Technology, and Training
- B. General. Policies and Procedures. System, and Component
- C. Assessment. Mitigation. Documentation, and Maintenance
- D. End-User, Integrator, Vendor, and Regulator
Answer: B
NEW QUESTION # 24
Which of the following PRIMARILY determines access privileges for user accounts?
Available Choices (select all choices that are correct)
- A. Technical capability
- B. Authorization security policy
- C. Users' desire for ease of use
- D. Common practice
Answer: B
NEW QUESTION # 25
What are the connections between security zones called?
Available Choices (select all choices that are correct)
- A. Tunnels
- B. Conduits
- C. Firewalls
- D. Pathways
Answer: B
NEW QUESTION # 26
Which of the following is an activity that should trigger a review of the CSMS?
Available Choices (select all choices that are correct)
- A. Budgeting
- B. New technical controls
- C. Security incident exposing previously unknown risk.
- D. Organizational restructuring
Answer: C
NEW QUESTION # 27
What do packet filter firewalls examine?
Available Choices (select all choices that are correct)
- A. The relationships between packets in a session
- B. The packet structure and sequence
- C. Only the source, destination, and ports in the header of each packet
- D. Every incoming packet up to the application layer
Answer: C
NEW QUESTION # 28
Which is the BEST deployment system for malicious code protection?
Available Choices (select all choices that are correct)
- A. Application whitelistinq (AWL) OD.
- B. IACS protocol converters
- C. Network segmentation
- D. Zones and conduits
Answer: D
NEW QUESTION # 29
Multiuser accounts and shared passwords inherently carry which of the followinq risks?
Available Choices (select all choices that are correct)
- A. Unauthorized access
- B. Buffer overflow
- C. Privilege escalation
- D. Race conditions
Answer: C
NEW QUESTION # 30
Which is a PRIMARY reason why network security is important in IACS environments?
Available Choices (select all choices that are correct)
- A. PLCs are programmed using ladder logic.
- B. PLCs are inherently unreliable.
- C. PLCs under cyber attack can have costly and dangerous impacts.
- D. PLCs use serial or Ethernet communications methods.
Answer: C
NEW QUESTION # 31
Which analysis method is MOST frequently used as an input to a security risk assessment?
Available Choices (select all choices that are correct)
- A. Job Safety Analysis
- B. Failure Mode and Effects Analysis
- C. Process Hazard Analysis (PHA)
- D. System Safety Analysis(SSA)
Answer: C
NEW QUESTION # 32
What does the abbreviation CSMS round in ISA 62443-2-1 represent?
Available Choices (select all choices that are correct)
- A. Control System Monitoring System
- B. Cyber Security Monitoring System
- C. Control System Management System
- D. Cyber Security Management System
Answer: D
NEW QUESTION # 33
Which of the following is the BEST reason for periodic audits?
Available Choices (select all choices that are correct)
- A. To adhere to a published or approved schedule
- B. To confirm audit procedures
- C. To meet regulations
- D. To validate that security policies and procedures are performing
Answer: D
NEW QUESTION # 34
Which of the following attacks relies on a human weakness to succeed?
Available Choices (select all choices that are correct)
- A. Spoofing
- B. Phishing
- C. Denial-of-service
- D. Escalation-of-privileges
Answer: B
NEW QUESTION # 35
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 # 36
Which layer specifies the rules for Modbus Application Protocol
Available Choices (select all choices that are correct)
- A. Session layer
- B. Presentation layer
- C. Data link layer
- D. Application layer
Answer: D
NEW QUESTION # 37
In an IACS system, a typical security conduit consists of which of the following assets?
Available Choices (select all choices that are correct)
- A. Ferrous, thickwall, and threaded conduit including raceways
- B. Power lines, cabinet enclosures, and protective grounds
- C. Wiring, routers, switches, and network management devices
- D. Controllers, sensors, transmitters, and final control elements
Answer: C
NEW QUESTION # 38
Why is OPC Classic considered firewall unfriendly?
Available Choices (select all choices that are correct)
- A. OPC Classic uses DCOM, which dynamically assigns any port between 1024 and 65535.
- B. OPC Classic works with control devices from different manufacturers.
- C. OPC Classic is allowed to use only port 80.
- D. OPC Classic is an obsolete communication standard.
Answer: A
NEW QUESTION # 39
After receiving an approved patch from the JACS vendor, what is BEST practice for the asset owner to
follow?
vailable Choices (select all choices that are correct)
- A. If no problems are experienced with the current IACS, it is not necessary to apply the patch.
- B. If a low priority, there is no need to apply the patch.
- C. If a high priority, apply the patch at the first unscheduled outage.
- D. If a medium priority, schedule the installation within three months after receipt.
Answer: D
NEW QUESTION # 40
......
Full ISA-IEC-62443 Practice Test and 90 Unique Questions, Get it Now!: https://dumpstorrent.dumpsfree.com/ISA-IEC-62443-valid-exam.html