You need to configure the Web API

DRAG DROP
You are developing an ASP.NET Web API application for currency conversion that will be
consumed by a web browser by using a composite application that is served from another
web domain.
You need to configure the Web API.
What should you do? (To answer, drag the appropriate XML elements to the correct location
or locations in the answer area. Each XML element may be used once, more than once, or
not at all. You may need to drag the split bar between panes or scroll to view content.)

Answer:

Explanation: