Which of the following statements about SQS is true?
A.
Messages will be delivered one or more times and messages will be delivered in First in,
First out order
B.
Messages will be delivered exactly once and message delivery order is indeterminate
C.
Messages will be delivered exactly once and messages will be delivered in First in, First
out order
D.
Messages will be delivered one or more times and message delivery order is
indeterminate
D
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D
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D
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Now there are FIFO Queue recently launced so Answer A is correct too.
But as in Question nothing like that is mentioned and FIFO Queue is Optional like Application Load Balancer is Optional for ELB the correct answer here is D.
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C & D
C because of FIFO queue
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As of now
C & D
https://aws.amazon.com/sqs/faqs/
Q: Does Amazon SQS guarantee delivery of messages?
Standard queues provide at-least-once delivery, which means that each message is delivered at least once.
FIFO queues provide exactly-once processing, which means that each message is delivered once and remains available until a consumer processes it and deletes it. Duplicates are not introduced into the queue.
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D is the correct answer – read the documentation, it’s NOT a FIFO queue
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