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An Azure Web App needs to authenticate users with Entra ID without writing OAuth code. Which built-in App Service feature handles this?
AStoring user passwords in App Settings
BForwarding requests to a third-party identity provider over HTTP
CApp Service authentication / authorization (Easy Auth)
DWriting a custom JWT parser in the app
Answer & Solution
Correct answer: C. App Service authentication / authorization (Easy Auth)
Easy Auth handles the OAuth/OIDC flow at the platform layer — your app gets `X-MS-CLIENT-PRINCIPAL` headers. The other options reinvent the wheel insecurely.
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