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Which characteristic distinguishes AWS default CloudWatch metrics from custom metrics?

easy📝 Conceptual Q1 of 15
AWS - CloudWatch
Which characteristic distinguishes AWS default CloudWatch metrics from custom metrics?
ADefault metrics can only be viewed via the AWS CLI
BCustom metrics are free of charge while default metrics incur costs
CDefault metrics are collected automatically without additional setup
DCustom metrics cannot be aggregated or graphed in CloudWatch
Step-by-Step Solution
Solution:

  1. Step 1: Understand AWS default metrics

    Default metrics are automatically collected by AWS services such as EC2 without user intervention.

  2. Step 2: Understand custom metrics

    Custom metrics require explicit publishing by the user and are not collected automatically.

  3. Final Answer:

    Default metrics are collected automatically without additional setup -> Option C

  4. Quick Check:

    Default metrics auto-collected [OK]
Quick Trick: Default metrics auto-collected; custom require manual publishing [OK]
Common Mistakes:
  • Assuming custom metrics are free
  • Believing default metrics require CLI only
  • Thinking custom metrics cannot be graphed

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