Answer-first summary for fast verification
Answer: Amazon SNS FIFO topics
The correct answer is B: Amazon SNS FIFO topics. Amazon SNS FIFO (First-In-First-Out) topics are designed to guarantee the order of message delivery, which is critical for the game system's requirement to ensure that events are processed in the correct sequence. Amazon EventBridge, SNS standard topics, and SQS FIFO queues do not guarantee the ordered delivery of events across multiple services in the way SNS FIFO topics do.
Author: LeetQuiz Editorial Team
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A company requires an AWS event-driven system for a game that ensures the ordered delivery of unique events to distinct services like leaderboard, matchmaking, and authentication. Which service should be used to meet this requirement?
A
Amazon EventBridge event bus
B
Amazon SNS FIFO topics
C
Amazon SNS standard topics
D
Amazon SQS FIFO queues
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