Which AWS service allows distributed applications to send both SMS text messages and email notifications?
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Correct answer: Amazon Simple Notification Service (Amazon SNS).
Why this is the answer
Amazon Simple Notification Service (Amazon SNS) is a fully managed messaging service for both application-to-application (A2A) and application-to-person (A2P) communication. It supports sending messages to various endpoints, including SMS text messages, email, mobile push notifications, and HTTP/S endpoints. Amazon Simple Email Service (Amazon SES) is primarily an email sending and receiving service, not for SMS. Amazon CloudWatch alerts are used for monitoring and triggering actions based on metrics, not for sending general notifications like SMS or email directly. Amazon Simple Queue Service (Amazon SQS) is a message queuing service used for decoupling distributed systems, not for direct user notifications.
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