What is the relationship between default-small and pfifo in MikroTik simple queue?

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Multiple Choice

What is the relationship between default-small and pfifo in MikroTik simple queue?

Explanation:
Default-small uses the pfifo queue type. pfifo is a simple packet-based FIFO queue with a small queue depth, which keeps latency low for small or frequent packets by serving them in arrival order until the queue fills up. When the queue is full, excess packets are dropped. This preset is chosen to favor quick transmission of small flows, rather than handling traffic by bytes or by priorities. The other options describe different queue disciplines—bfifo is byte-based FIFO, pq is a priority queue, and l2f isn’t a standard simple-queue type in RouterOS—so they don’t match what default-small uses.

Default-small uses the pfifo queue type. pfifo is a simple packet-based FIFO queue with a small queue depth, which keeps latency low for small or frequent packets by serving them in arrival order until the queue fills up. When the queue is full, excess packets are dropped. This preset is chosen to favor quick transmission of small flows, rather than handling traffic by bytes or by priorities. The other options describe different queue disciplines—bfifo is byte-based FIFO, pq is a priority queue, and l2f isn’t a standard simple-queue type in RouterOS—so they don’t match what default-small uses.

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