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What is the main purpose of using SNS with multiple SQS queues in a fan-out pattern?

easy📝 Conceptual Q11 of 15
AWS - SNS and SQS
What is the main purpose of using SNS with multiple SQS queues in a fan-out pattern?
ATo send the same message to multiple queues for parallel processing
BTo store messages permanently in one queue
CTo send messages only to one queue at a time
DTo delete messages immediately after sending
Step-by-Step Solution
Solution:

  1. Step 1: Understand SNS role in fan-out

    SNS publishes messages to multiple subscribers simultaneously.

  2. Step 2: Understand SQS role in fan-out

    Each SQS queue receives and holds messages independently for processing.

  3. Final Answer:

    To send the same message to multiple queues for parallel processing -> Option A

  4. Quick Check:

    SNS fan-out = multiple queues get same message [OK]
Quick Trick: SNS fan-out means one message to many queues [OK]
Common Mistakes:
  • Thinking SNS sends to only one queue
  • Confusing message storage with deletion
  • Assuming messages are deleted immediately

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