You want to monitor a custom application metric with CloudWatch. Which steps must you take to send this metric data?

hard📝 Application Q8 of 15

AWS - CloudWatch

ACreate a CloudWatch alarm directly without sending data

BConfigure an S3 bucket to store metric data

CEnable CloudTrail logging for the application

DUse PutMetricData API with a custom namespace and metric name

Step-by-Step Solution

Solution:

Step 1: Understand Custom Metric Submission
Custom metrics require sending data via PutMetricData API with namespace and metric name.
Step 2: Evaluate Other Options
Alarms need data; CloudTrail logs API calls but not metrics; S3 stores files, not metrics.
Final Answer:
Use PutMetricData API with a custom namespace and metric name -> Option D
Quick Check:
PutMetricData sends custom metrics [OK]

Quick Trick: Send custom metrics using PutMetricData API [OK]

Common Mistakes:

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