What is the purpose of classification, rewrites, and queuing in Juniper routers?（）

单项选择题Rewrite rules are used in which CoS scenario?（）

A.When a single device is configured to provide differentiated services.
B.When multiple devices in a network are configured to use CoS to provide differentiated services.
C.When a device is used to connect to another autonomous system.
D.When CoS is used to classifiy traffic as low priority.

多项选择题Which two options are reasons for using traffic classification?（）

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