Refer to the exhibit. Interface serial 1 is a 128-kbps Frame Relay connection. What does the command frame-relay adaptive-shaping becn configure the router to do?
A.
allows bursts to 80 kbps and sets the BECN bit when 72 kbps is exceeded
B.
allows bursts to 128 kbps and sets the BECN bit when 80 kbps is exceeded
C.
sends a frame with the BECN bit set when the committed burst size is exceeded
D.
allows bursts to 80 kbps and throttles traffic down to the minCIR value when a frame is received with the BECN bit set
E.
allows bursts to 128 kbps and throttles traffic down to the minCIR value when a frame is received with the BECN bit set