Let's have a list of some good interview questions for SharePoint developers. Please provide one question per entry, and if possible, the answers.
Also, please feel free to suggest corrections if the provided answers are wrong.
I will go first:
Q: How does SharePoint store pages?
A: How-to-locate-sharepoint-document-library-source-page-on-the-server?
Q. When running with SPSecurity.RunWithElevatedPrivileges (web context) what credentials are being used?
A. The App Pool Identity for the web application running SharePoint.