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ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. Which of the following is an element of monitoring and improving a CSMS?
Available Choices (select all choices that are correct)

A) Restricted access to the industrial control system to an as-needed basis
B) Increase in staff training and security awareness
C) Significant changes in identified risk round in periodic reassessments
D) Review of system logs and other key data files

2. A company needs to create a standardized interface for exchanging real-time plant data between heterogeneous control devices while maintaining a structured organization of data elements such as folders, classes, and methods. Which feature of OPC supports this requirement?

A) OPC Classic's use of Microsoft OLE and COM technologies
B) OPC Unified Architecture's browsable namespace
C) OPC Classic aware firewalls analyzing DCOM
D) OPC Tunnel Applications for firewalls

3. 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 is a proprietary protocol that is widely supported by vendors.
B) Modbus uses a single master to communicate with multiple slaves usinq simple commands.
C) Modbus has no known security vulnerabilities, so firewall rules are simple to implement.
D) Modbus uses explicit source and destination IP addresses and a sinqle known TCP port.

4. Which of the following ISA-99 (IEC 62443) Reference Model levels is named correctly?

A) Level 3: Operations Management
B) Level 4: Process
C) Level 1: Supervisory Control
D) Level 2: Quality Control

5. What is the primary audience for Part 2-5 of the ISA/IEC 62443 Series - Policies & Procedures group of standards?

A) Asset owners
B) Service providers
C) System integrators
D) Product suppliers

Solutions: