Which of the Following Statements Describes an Advantage of the DiffServ

Multiple Choice

Which of the following statements describes an advantage of the DiffServ QoS model over the IntServ QoS model?

A) DiffServ reserves resources dynamically using the RSVP protocol.
B) DiffServ only requires packets to be classified into forwarding classes at the first network hop.
C) DiffServ provides granular differentiation and superior fairness because it processes traffic streams individually.
D) DiffServ is more scalable it treats traffic streams as aggregates.