How are customer requests handled on an online platform for ordering pizzas for delivery?

Question

On an online platform for ordering pizzas for delivery, how are customer requests handled?

Accepted Answer

orders are stored in queues and processed in FIFO

Answer

orders are stored in queues and processed in LIFO

Answer

the commands are processed in LIFO and are stored in stacks

Answer

commands are processed in FIFO and are stored in stacks

Question from the Algorithmics - Fundamentals test