Which two options are reasons for using traffic classification?（）

单项选择题What is the primary purpose for the classification of traffic in a router?（）

A.to use the classification to route traffic
B.to use the classification to reorder packets from various sources
C.to use the classification to discard malformed packets
D.to use the classification to provide the configured service level

单项选择题When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?（）

A.after a packet is identified by a multifield classifier
B.after the traffic passes though a shaper
C.prior to ingress policing of traffic
D.while the packet is stored in the switching fabric of the router

单项选择题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

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