A low priority guest is using up more of the physical network traffic than desired. Select the two valid network QoS settings for restricting outbound network traffic? 

Answer options:

A. [max_rate=lMb/s]
B. [rate=lMb/s@20ms]
C. [rate=250Kb/s]
D. [max_rate=unlimited]
E. [rate=250Rb/s, max rate=1Mb/s]

BC