You want to combine default EC2 CPU utilization metrics with a custom metric that tracks application errors. How can you visualize both metrics together in CloudWatch?

hard📝 Application Q9 of 15

AWS - CloudWatch

ASend custom metrics to the EC2 namespace to merge automatically.

BCreate a Lambda function to merge metrics and send a new combined metric.

CUse AWS Config to combine metrics into one report.

DCreate a CloudWatch dashboard with widgets showing both default and custom metrics.

Step-by-Step Solution

Solution:

Step 1: Understand metric namespaces and visualization
Default and custom metrics have separate namespaces but can be displayed together in dashboards.
Step 2: Evaluate options for combining metrics
Sending custom metrics to EC2 namespace is not supported; AWS Config does not combine metrics; Lambda merging is complex and unnecessary.
Final Answer:
Create a CloudWatch dashboard with widgets showing both default and custom metrics. -> Option D
Quick Check:
Visualize metrics together = B [OK]

Quick Trick: Use dashboards to view multiple metrics together [OK]

Common Mistakes:

MISTAKES

Trying to merge namespaces
Using AWS Config for metrics
Overcomplicating with Lambda

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You want to combine default EC2 CPU utilization metrics with a custom metric that tracks application errors. How can you visualize both metrics together in CloudWatch?

Step 1: Understand metric namespaces and visualization

Step 2: Evaluate options for combining metrics

Final Answer:

Quick Check:

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