What are two possible ways to achieve this goal?

You are designing a SharePoint 2010 solution. The solution includes the rendering of a
highly interactive control that must allow the following functionality: ·Fading items in and out.
.Dragging items around the display. .Seamlessly updating information on the server without
affecting other items on the page. You need to design the interactive control according to
these requirements. What are two possible ways to achieve this goal? (Each correct answer
presents a complete solution. Choose two.)

A.
Use a visual Web Part to render the graphical enhancements. Raise custom events on
the client side to post information back to the server.

B.
Use Silverlight to render the graphical enhancements. Use Microsoft Windows

Communication Foundation (WCF) to post the client-side information back to the server.

C.
Use cascading style sheets (CSS) to render the graphical enhancements. Use AJAX to
post the client-side information back to the server.

D.
Use client-side scripting to render the graphical enhancements. Use AJAX to post the
client-side information back to the server.