Correct Answer: D.
The AWS Cloud9 service is the most appropriate service to utilize on the given options to write code, typically for the components of microservices, as well as run, test and debug the code.
AWS Cloud9 IDE is accessed via the web browser and has a customizable interface to suit the developer's preferred runtime and other preferences.
https://docs.aws.amazon.com/cloud9/latest/user-guide/welcome.html
Option A is INCORRECT because AWS Lambda is ideal for functions, purpose-specific logic that performs repetitive processes.
Given the dynamic nature of the microservice, Lambda functions would not be the most appropriate option.
Option B is INCORRECT because AWS CodeDeploy is ideal for deploying software and not building and testing it.
Option C is INCORRECT because AWS CodeCommit is ideal for securely storing and privately managing software development assets such as binary files and source code.
It is not the most appropriate AWS service to meet the requirements of the use case.
The most appropriate AWS service for developers in the operations department who want to use an IDE to run, test and debug code for Lambda functions is AWS Cloud9 (option D).
AWS Cloud9 is a cloud-based integrated development environment (IDE) that allows developers to write, run, and debug code in the cloud. It supports a wide range of programming languages and provides a complete development environment with features such as code highlighting, debugging, and version control.
AWS Lambda is a serverless computing service that allows developers to run code without provisioning or managing servers. While Lambda supports multiple programming languages, it does not provide an IDE for developers to write, test, and debug their code.
AWS CodeDeploy is a service that automates code deployments to Amazon EC2 instances or on-premises servers. It does not provide an IDE for writing code.
AWS CodeCommit is a fully-managed source control service that allows developers to store and manage their code in Git repositories. It does not provide an IDE for writing or testing code.
Therefore, the most appropriate AWS service for the developers in the operations department to use an IDE to run, test and debug code for Lambda functions is AWS Cloud9.
