Which two QoS marking methods can a service provider use to mark user traffic and be visible only internally to the router (Choose two)
A. 802.1p
B. DS-TE
C. Discard-class
D. ToS
E. QoS-Group
F. MPLS EXP Bit
G. DSCP
Which two QoS marking methods can a service provider use to mark user traffic and be visible only internally to the router