Which two statements about the Modbus protocol are true? (Choose two.)

Which two statements about the Modbus protocol are true? (Choose two.)
A . Modbus uses UDP frames to transport MBAP and function codes.
B . Most of the PLC brands come with a built-in Modbus module.
C . You can implement Modbus networking settings on internetworking devices.
D . Modbus is used to establish communication between intelligent devices.

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Answer: B C