Which of the following statements BEST describes an MBS parameter?

A. It specifies the maximum rate at which a queue can be serviced.

B. It specifies the maximum depth of a queue beyond which packets will be dropped.

C. It specifies the portion of a queue that is taken from the reserved buffer pool.
D. It specifies the threshold beyond which only in-profile packets will be queued.
E. It specifies the peak bandwidth that can be attained by the incoming traffic.