A company wants to implement a package management solution for their Node.js applications. They want to ensure that developers can use their IDE to connect to the repository securely. 
Which of the following would contain the credentials to connect to the package management solution?

Answer options:

A.In the package.json files in the project
B.In the project.json files in the project
C.In the .npmrc file in the project
D.In the .npmrc file in the user’s home folder

Answer – D 
This is clearly mentioned in the Microsoft documentation 

Since this is clearly mentioned in the Microsoft documentation, all other options are incorrect 
For more information on npm and Azure Artifacts, please visit the below URL 

https://docs.microsoft.com/en-us/azure/devops/artifacts/npm/npmrc?view=azure-devops&tabs=windows