Which statement about shaped round robin queuing is true?

Which statement about shaped round robin queuing is true?
A . Queues with higher configured weights are serviced first.
B . The device waits a period of time, set by the configured weight, before servicing the next queue.
C . The device services a single queue completely before moving on to the next queue.
D . Shaped mode is available on both the ingress and egress queues.

Answer: A