Which statement is correct regarding ProfiNET communication classes?

Question

Options

• AProfiNET-RT traffic is carried in UDP and TCP packets
• BProfiNET-NRT is used to carry time critical status information
• CProfiNET-IRT requires switches with hardware time scheduling capabilities
• DProfiNET-NRT is prioritized as Layer-2 Class-of-Service 1 (CoS 1)

• A
  5% (3)
• B
  2% (1)
• C
  82% (50)
• D
  11% (7)

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