Which two PDU fields con a service provider use to mark L3VPN traffic without interfering with customer marking? (Choose two) (review)
A. MPLS EXP bit
B. DS-TE
C. ToS
D. discard-class
E. DSCP
F. QoS-Group
G. 802.1p
Which two PDU fields con a service provider use to mark L3VPN traffic without interfering with customer marking?