In a banking system, when customers transfer money, the transaction details are sent from the transaction service to a fraud detection service for verification. Sometimes, the fraud detection service is temporarily down.
What is the MAIN advantage of using Amazon Simple Queue Service (Amazon SQS) in this banking scenario?

Question

In a banking system, when customers transfer money, the transaction details are sent from the transaction service to a fraud detection service for verification. Sometimes, the fraud detection service is temporarily down. 
 What is the MAIN advantage of using Amazon Simple Queue Service (Amazon SQS) in this banking scenario?

Answer

It stores transaction details until the fraud detection service can process them, even if the service is down

Answer

It forces the transaction service and fraud detection service to depend on each other directly

Answer

It guarantees immediate approval of transactions

Answer

It speeds up transaction processing by avoiding the use of a buffer

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In a banking system, when customers transfer money, the transaction details are ...

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