1 / 5
Producers ___ messages onto the queue for later processing.
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To enqueue messages means to add them to a queue. Enqueue is the technical term; the distractors are informal.
2 / 5
Consumers ___ messages and process them asynchronously.
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To consume messages means to read and process them. Consume is the standard verb; the others do not collocate.
3 / 5
After handling a message, the worker must ___ it to remove it from the queue.
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To acknowledge a message means to confirm successful processing. Acknowledge is the precise term; the distractors are vague.
4 / 5
Poison messages are routed to a ___ letter queue for inspection.
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A dead letter queue stores messages that cannot be processed. Dead is the fixed collocation; the others are wrong.
5 / 5
When consumers fall behind, message ___ builds up in the queue.
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A message backlog is the buildup of unprocessed messages. Backlog is the standard collocation; the others are informal.