Which option best describes the true interoperability functionality in a portal designed for the
banking industry?
A.
From the portal, a user can send email messages to another user.
B.
On the portal, there are two portlets showing financial data. If the user makes changes to one
portlet, the data from the second portlet is affected, and is updated.
C.
A user can create a shopping cart on the portal.
D.
Users can log in to a portal by using a single sign-on solution.