HOTSPOT
Your development team deploys a new SharePoint Store app that interacts with the user by using an IFRAME.
When the user loads a SharePoint page, the IFRAME is empty.
You need to ensure that the SharePoint Store apps loads properly.
How should you configure authentication and authorization for the app? To answer, select the appropriate option from each list in the answer area.
Hot Area:
Answer: 
https://technet.microsoft.com/en-us/library/jj219571(v=office.16).aspx#App authentication in SharePoint Server