Exam NSE7_OTS-7.2 Topic 2 Question 14 Discussion

Actual exam question for Fortinet's NSE7_OTS-7.2 exam
Question #: 14
Topic #: 2

As an OT administrator, it is important to understand how industrial protocols work in an OT network.
Which communication method is used by the Modbus protocol?

A. It uses OSI Layer 2 and both the primary/secondary devices send data based on a matching token ring. B. It uses OSI Layer 2 and the primary device sends data based on request from secondary device. C. It uses OSI Layer 2 and the secondary device sends data based on request from primary device. D. It uses OSI Layer 2 and both the primary/secondary devices always send data during the communication.

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