Q1. What is AWS CloudFormation, and how does it work?

AWS CloudFormation is a service that allows you to define and provision infrastructure resources in a declarative manner. It uses templates written in YAML or JSON format to describe the desired state of your infrastructure.

Q2. What is AWS Lambda, and how does it work?

AWS Lambda is a serverless compute service that allows you to run your code without provisioning or managing servers. With Lambda, you can upload your code and specify the event sources that trigger its execution.