You are designing a Windows Phone 7 application that uses a Live Tile with background images. The Live Tile background will be updated with images that are stored on a remote server. Received push notifications will include information about the location of the remote image. You need to ensure that the application can use images from a remote server for the Live Tile background. You ensure that the HttpNotificationChannel is bound to the Live Tile. What should you do next? (Each correct answer presents part of the solution. Choose all that apply.)

A.
Use a Dictionary object for the push notification.

B.
Open a StreamReader object for the push notification.

C.
Bind the list of allowed URIs to the HttpNotificationChannel object.

D.
Use a Collection object to capture the list of allowed URIs for the domain.

E.
Iterate through the collection of keys in the Dictionary object and build a text string.