Which of the Following Statements Is False About the DSCP

Which of the following statements is false about the DSCP field?

A) When the DSCP value is EF, data is forwarded in expedited forwarding mode
B) CS in DSCP classifies data based on eight priorities
C) DSCP can represent the data priority as well as the packet drop probability
D) The DSCP value can be 0. When the value is 0, the default packet forwarding mechanism is used