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Which protocol is NOT supported by AWS SNS subscriptions?

easy📝 Conceptual Q2 of 15
AWS - SNS and SQS
Which protocol is NOT supported by AWS SNS subscriptions?
AFTP
BEmail
CHTTP
DSMS
Step-by-Step Solution
Solution:

  1. Step 1: List Supported SNS Subscription Protocols

    AWS SNS supports Email, HTTP/HTTPS, SMS, SQS, Lambda, and Application protocols.

  2. Step 2: Identify Unsupported Protocol

    FTP is not supported as a subscription protocol in SNS.

  3. Final Answer:

    FTP is not supported by AWS SNS subscriptions. -> Option A

  4. Quick Check:

    Unsupported protocol = FTP [OK]
Quick Trick: SNS supports Email, HTTP, SMS but not FTP [OK]
Common Mistakes:
  • Assuming FTP is supported
  • Confusing SQS with FTP
  • Thinking all internet protocols are supported

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