वास्तविक समय स्ट्रीमिंग प्रोटोकॉल का उपयोग किया जाता है ______
(A) to control streaming media servers
(B) for establishing and controlling media sessions between endpoints
(C) to provide real time control of playback of media files from the server
(D) More than one of the above
(E) None of the above
