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Free CYBERSECURITY-FUNDAMENTALS-SPECIALIST – Isa CYBERSECURITY-FUNDAMENTALS-SPECIALIST Practice Test Question

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Showing 7–9 of 11 questions

Question 7 (Topic 1)

In a defense-in-depth strategy, what is the purpose of role-based access control?

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  • ○ Ensures that users can access systems from remote locations
  • ○ Ensures that users can access only certain devices on the network
  • ○ Ensures that users can access only the functions they need for their job
  • ○ Ensures that users correctly manage their username and password
Question 8 (Topic 1)

Which is a physical layer standard for serial communications between two or more devices?

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  • ○ RS232
  • ○ RS235
  • ○ RS432
  • ○ RS485
Question 9 (Topic 1)

What is OPC?

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  • ○ An open standard protocol for real-time field bus communication between automation technology devices
  • ○ An open standard protocol for the communication of real-time data between devices from different manufacturers
  • ○ An open standard serial communications protocol widely used in industrial manufacturing environments
  • ○ A vendor-specific proprietary protocol for the communication of real-time plant data between control devices