ISA/IEC 62443 Cybersecurity Fundamentals Specialist — Question 53

Which is the implementation of PROFIBUS over Ethernet for non-safety-related communications?

Answer options

• A. PROFIBUS DP
• B. PROFIBUS PA
• C. PROFINET
• D. PROFISAFE

Correct answer: C

Explanation

The correct answer is C, PROFINET, which is specifically designed to implement PROFIBUS over Ethernet for standard communications. Options A and B, PROFIBUS DP and PROFIBUS PA, are traditional PROFIBUS protocols for different applications but do not utilize Ethernet. Option D, PROFISAFE, relates to safety-related communications and is not applicable in this context.