AWS - SNS and SQS
Which AWS service acts as the message publisher in the SNS and SQS fan-out pattern?
Which AWS service acts as the message publisher in the SNS and SQS fan-out pattern?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the publisher role
SNS is the service that receives and publishes messages to subscribers.Step 2: Confirm subscriber role
SQS queues subscribe to SNS to receive messages.Final Answer:
SNS acts as the message publisher. -> Option AQuick Check:
Publisher = SNS [OK]
Quick Trick: SNS publishes; SQS subscribes [OK]
Common Mistakes:
MISTAKES- Confusing SQS as publisher
- Assuming Lambda or EC2 publish messages by default
- Mixing roles of services
Master "SNS and SQS" in AWS
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