What is an AMI, and how is it implemented in a cloud computing environment?

This is a question about a specific technology used with the cloud computing services provided by Amazon's AWS division. When preparing for an interview for a cloud engineer role with Amazon, you should ensure that you are familiar with the latest technologies used in this field. Amazon looks for candidates who maintain their currency in the most recent technologies introduced in those fast-moving segments of the computing industry. It would be best if you also were prepared to discuss how you stay current and the resources you utilize to do this.