A Developer Is Creating an Event Handling System

question 328

Multiple Choice

A developer is creating an event handling system. To handle messages asynchronously, the developer created a standard Amazon SQS queue. Quality assurance testing reveals that some events were processed multiple times. What is the recommended way to ensure the events are not processed more than once?

• A) Change long polling to short polling.
• B) Use a FIFO queue and configure deduplication.
• C) Convert the standard SQS queue into a FIFO queue.
• D) Send the messages with message timers.

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Definitions:

Emotionally Charged

Something that is emotionally charged carries a strong emotional significance or elicits a strong emotional response.

Cross-race Identifications

The phenomenon where individuals are less accurate in recognizing faces of people from races other than their own.

Misidentifications

Misidentifications involve the incorrect recognition or identification of people, objects, or events, often occurring in psychological disorders.

Same-race Identifications

The phenomenon where individuals are more accurate in recognizing and distinguishing faces of their own racial or ethnic group than those of other groups.