Which contact photo retrieval method is supported when using UDS as the directory for Jabber?

Which contact photo retrieval method is supported when using UDS as the directory for Jabber?
A . photo URI, with pictures hosted on a web server
B . binary object retrieval of the user’s jpegPhoto attribute
C . None, contact photos are not supported with UD
E . binary object retrieval of the user’s thumbnailPhoto attribute

Answer: A