CLF-C02 · Question #452
Which AWS service or feature should a company use between two microservices to ensure that messages are sent and received in exact order?
The correct answer is D. Amazon Simple Queue Service (Amazon SQS) FIFO queues. Amazon SQS FIFO queues are specifically designed to ensure that messages are processed in the exact order in which they are sent. This feature is critical for use cases where maintaining the sequence of events is important. FIFO (First-In-First-Out) queues also prevent duplicate
Question
Which AWS service or feature should a company use between two microservices to ensure that messages are sent and received in exact order?
Options
- AAmazon Simple Email Service (Amazon SES)
- BAmazon Simple Notification Service (Amazon SNS)
- CAmazon S3 Event Notifications
- DAmazon Simple Queue Service (Amazon SQS) FIFO queues
How the community answered
(46 responses)- A2% (1)
- B4% (2)
- C2% (1)
- D91% (42)
Explanation
Amazon SQS FIFO queues are specifically designed to ensure that messages are processed in the exact order in which they are sent. This feature is critical for use cases where maintaining the sequence of events is important. FIFO (First-In-First-Out) queues also prevent duplicate messages, ensuring that each message is delivered and processed exactly once.
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