Quality of Service rules place traffic flows into classes. Which of the following is true?

[answerhappygod]

Quality of Service rules place traffic flows into classes. Which of the following is true?

A. A rule places traffic into the Root class and is then dependent on further rules in the hierarchy
B. A rule places traffic into any class other than the Root class
C. A rule places traffic into any leaf class
D. A rule can only mark traffic with the DSCP, which is then used by the SteelHead appliance for queuing
E. A rule places traffic into any class the admin chooses