ISA/IEC 62443 Cybersecurity Fundamentals Specialist - ISA-IEC-62443 certification

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ISA ISA-IEC-62443 Exam Syllabus Topics:

ISA/IEC 62443 Cybersecurity Fundamentals Specialist Sample Questions:

1. Which type of cryptographic algorithms requires more than one key?
Available Choices (select all choices that are correct)

A) Stream ciphers
B) Symmetric (private) key
C) Asymmetric (public) key
D) Block ciphers

2. 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 use serial or Ethernet communications methods.
C) PLCs are inherently unreliable.
D) PLCs under cyber attack can have costly and dangerous impacts.

3. Which of the following protocols is mentioned as being commonly used in control systems?

A) HTTP
B) Modbus TCP
C) SMTP
D) FTP

4. What is the name of the missing layer in the Open Systems Interconnection (OSI) model shown below?

A) Control
B) Transport
C) Protocol
D) User

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

Solutions: