What is the first CoS process performed when a packet enters a JUNOS device?（）

单项选择题What is the last CoS process performed prior to a packet leaving a router?（）

A.Rewrite Marker
B.Multifield Classifier
C.Policing
D.BA Classifier

单项选择题What is the proper order for CoS processing for ingress packets on a Juniper router?（）

A.Multifield Classifier > Forwarding Policy > Policing > BA Classifier
B.Multifield Classifier > Policing > BA Classifier > Forwarding Policy
C.BA Classifier > Policing > Multifield Classifier > Forwarding Policy
D.BA Classifier > Forwarding Policy > Policing > Multifield Classifier