Which two PDU fields can a service provider use to mark the Layer 3 VPN traffic without interfering with the customer marking? (Choose two.)
A. MPLS EXP bits
B. discard-class
C. DSCP
D. DS-TE
E. 802.1p
Which two PDU fields can a service provider use to mark the Layer 3 VPN traffic without interfering with the customer marking?