SAA-C03 · Question #625
SAA-C03 Question #625: Real Exam Question with Answer & Explanation
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Question
A company hosts an application on multiple Amazon EC2 instances. The application processes messages from an Amazon SQS queue writes to an Amazon RDS table and deletes the message from the queue Occasional duplicate records are found in the RDS table. The SQS queue does not contain any duplicate messages. What should a solutions architect do to ensure messages are being processed once only?
Options
- AUse the CreateQueue API call to create a new queue
- BUse the Add Permission API call to add appropriate permissions
- CUse the ReceiveMessage API call to set an appropriate wail time
- DUse the ChangeMessageVisibility APi call to increase the visibility timeout
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