In an FIFO-based ordering window, how should new orders be placed relative to existing orders?

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Multiple Choice

In an FIFO-based ordering window, how should new orders be placed relative to existing orders?

Explanation:
FIFO means first in, first out: orders are handled in the order they arrive. In an FIFO-based ordering window, new orders should be added to the back of the line so they don’t jump ahead of customers who arrived earlier. This keeps processing predictable and fair. Placing a new order ahead would break FIFO, while discarding or duplicating orders would cause errors or lost requests. Adding to the back of the line is the correct approach.

FIFO means first in, first out: orders are handled in the order they arrive. In an FIFO-based ordering window, new orders should be added to the back of the line so they don’t jump ahead of customers who arrived earlier. This keeps processing predictable and fair. Placing a new order ahead would break FIFO, while discarding or duplicating orders would cause errors or lost requests. Adding to the back of the line is the correct approach.

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