Why does AWS SNS require email subscriptions to be confirmed before sending notifications, but SMS subscriptions do not?

hard📝 Conceptual Q10 of 15

AWS - SNS and SQS

ASNS cannot send SMS without confirmation

BTo prevent spam and ensure user consent for email, but SMS uses phone number verification

CEmail protocol is newer and requires confirmation by design

DBecause SMS messages are free and do not require confirmation

Step-by-Step Solution

Solution:

Step 1: Understand email subscription confirmation rationale
Email confirmation prevents spam and ensures the user consents to receive messages.
Step 2: Understand SMS subscription behavior
SMS subscriptions rely on phone number ownership and carrier verification, so explicit confirmation is not required.
Final Answer:
To prevent spam and ensure user consent for email, but SMS uses phone number verification -> Option B
Quick Check:
Email needs consent; SMS relies on phone verification [OK]

Quick Trick: Email needs confirmation; SMS trusts phone number ownership [OK]

Common Mistakes:

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