Referring to the exhibit, which configuration is required on the Layer 3 VPN PE router to classify
EF packets from the core MPLS network into the expedited-forwarding queue?
A.
Set class-of-service interfaces xe-1/3/0 unit 0 classifiers dscp default
B.
Set class-of-service interfaces xe-1/3/0 unit 0 classifiers dscp DIFFSERVCLASS
C.
Set class-of-service interfaces xe-1/3/0 unit 0 classifiers exp default
D.
Set class-of-service routing-instances CUST classifiers exp DIFFSERVCLASS-EXP
Explanation: