What is an automated and serverless way to trigger the function?

A Developer is writing a serverless application that requires that an AWS Lambda function be invoked every 10 minutes.

What is an automated and serverless way to trigger the function?
A . Deploy an Amazon EC2 instance based on Linux, and edit its /etc/crontab file by adding a command to periodically invoke the Lambda function.
B . Configure an environment variable named PERIOD for the Lambda function. Set the value to 600.
C . Create an Amazon CloudWatch Events rule that triggers on a regular schedule to invoke the Lambda function.
D . Create an Amazon SNS topic that has a subscription to the Lambda function with a 600-second timer.

Answer: C

Explanation:

Reference: https://aws.amazon.com/blogs/architecture/a-serverless-solution-for-invoking-aws-lambda-at-asub-minute-frequency/

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