Câu 52: AWS Certified Solutions Architect - Associate SAA-C02(Old)
A company hosts an application on multiple Amazon EC2 instances. The application processes messages from an Amazon SQS queue, writes for an AmazonRDS 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 shou…
Nội dung câu hỏi
A company hosts an application on multiple Amazon EC2 instances. The application processes messages from an Amazon SQS queue, writes for an AmazonRDS 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?
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. Use the CreateQueue API call to create a new queue.
- B. Use the AddPermission API call to add appropriate permissions.
- C. Use the ReceiveMessage API call to set an appropriate wait time.
- D. Use the ChangeMessageVisibility API call to increase the visibility timeout. — đáp án hiện tại
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