You plan to create a Web Part for a SharePoint site.

You need to ensure that the Web Part can send data to other Web Parts in the site.

What should you do?

A.
Implement the IAlertNotifyHandler interface.

B.
Implement the IAlertUpdateHandler interface.

C.
Create a custom interface that uses the WebBrowsable and the WebPartStorage attributes.

D.
Create a custom interface that uses the ConnectionProvider and ConnectionConsumer attributes.

Explanation:
MNEMONIC RULE: “send data = Provider/Consumer”

Connect Web Parts in SharePoint 2010
http://msdn.microsoft.com/en-us/library/ff597538.aspx