单项选择题Refer to the exhibit. Which statement is true about the function of the frame-relay voice-bandwidth 24000 command that is shown in the partial configuration?()
A.It limits the total bandwidth available on the Frame Relay link.
B.It provides call admission control by limiting the number of voice calls over the Frame Relay link
C.It sets up IP RTP Priority features that reserve bandwidth for voice traffic flows.
D.It is functionally equivalent to configuring LLO.
E.It limits the bandwidth that is taken by individual voice calls to 24000 b/s.