Toll Plaza simulation is an application of .......... .

A toll plaza simulation involves managing vehicles arriving and departing at a checkpoint. This process requires maintaining the order in which vehicles arrive to ensure fair service.

The appropriate data structure must support First-In-First-Out operations. Vehicles enter the line and are processed in the exact sequence of their arrival.

This sequential processing matches the fundamental behavior of a queue. It ensures that the first vehicle to arrive is the first to be served.