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

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

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

A.Advertise only locally originated routes.
B.Accept all BGP routes and import into inet.0.
C.Advertise all active BGP routes.
D.Advertise only EBGP routes.