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What is the primary purpose of connecting an AWS CloudWatch alarm to an SNS topic?

easy📝 Conceptual Q11 of 15
AWS - CloudWatch
What is the primary purpose of connecting an AWS CloudWatch alarm to an SNS topic?
ATo create backups of alarm configurations
BTo send notifications when the alarm state changes
CTo store alarm history logs
DTo automatically scale EC2 instances
Step-by-Step Solution
Solution:

  1. Step 1: Understand SNS topic role

    SNS topics are used to send messages or notifications to subscribers.

  2. Step 2: Connect alarm to SNS for notifications

    When an alarm changes state, it can trigger SNS to notify users or systems.

  3. Final Answer:

    To send notifications when the alarm state changes -> Option B

  4. Quick Check:

    Alarm + SNS = Notifications [OK]
Quick Trick: SNS topics send messages on alarm changes [OK]
Common Mistakes:
MISTAKES
  • Confusing SNS with Auto Scaling actions
  • Thinking SNS stores logs
  • Assuming SNS creates backups

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