What is the MOST efficient way to accomplish this request?

November 18, 2021 by Admin

A Developer created an AWS Lambda function and has asked the SysOps Administrator to make this function run every 15 minutes.

Create an Amazon EC2 instance and schedule a cron to invoke the Lambda function.
Create a Repeat Time variable inside the Lambda function to invoke the Lamdba function.
Create a second Lambda function to monitor and invoke the first Lamdba function.
Create an Amazon CloudWatch scheduled event to invoke the Lambda function.