easy5 pts · first answer countsapi-testinghttp-methodshttp-headers

The OPTIONS preflight

A browser app sends PUT with a custom header to another domain. Before the PUT, the browser sends an OPTIONS request. Why?

A.It checks the user's password before sendingB.It downloads the API documentation firstC.It deletes any cached responses for that URLD.It is a CORS preflight asking if the call is allowed

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The OPTIONS preflight

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