Practice question

In an ATC (Advanced Transportation Controller) cabinet, what is the function of the Application Programming Interface (API)?

To physically connect the controller to the conflict monitor
To provide a standardized software interface that allows applications from different vendors to run on any ATC-compliant hardware
To encrypt communication between the controller and central system
To calibrate vehicle detection sensitivity

Answer: B — To provide a standardized software interface that allows applications from different vendors to run on any ATC-compliant hardware

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