An application is running on an EC2 instance. The Developer wants to store an application metric in Amazon CloudWatch.
What is the best practice for implementing this requirement?
A . Use the PUT Object API call to send data to an S3 bucket. Use an event notification to invoke a Lambda function to publish data to CloudWatch.
B . Publish the metric data to an Amazon Kinesis Stream using a PutRecord API call.
Subscribe a Lambda function that publishes data to CloudWatch.
C . Use the CloudWatch PutMetricData API call to submit a custom metric to CloudWatch.
Provide the required credentials to enable the API call.
D . Use the CloudWatch PutMetricData API call to submit a custom metric to CloudWatch.
Launch the EC2 instance with the required IAM role to enable the API call.
Answer: D
Explanation:
https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_switch-role-ec2.html
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