Amazon SNS
Pub/sub notification service. One published message fans out to every subscriber.
Don’t confuse it with
Use SQS when you need each message handled exactly once by one worker.
Tested in AWS Certified Cloud Practitioner (CLF-C02), under Cloud Technology and Services — 34% of the exam.
Drill this until it sticks
Quizdi turns terms like this into spaced-repetition cards and brings them back right before you would have forgotten them.
Start free