单选题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 classifierB after the traffic passes though a shaperC prior to ingress policing of trafficD while the

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单选题

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

after a packet is identified by a multifield classifier

after the traffic passes though a shaper

prior to ingress policing of traffic

while the packet is stored in the switching fabric of the router

参考答案和解析

正确答案： B

解析：暂无解析

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相似问题和答案

第1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

参考答案：D

第2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

参考答案：C

第3题：

Which statement describes the PFE?()

A. The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables

B. The PFE implements advanced services such as policing, stateless firewall filtering, and class of service

C. The PFE sends traffic to the RE for systematic packet forwarding

D. The PFE receives hardware and environmental status messages from the RE

参考答案：B

第4题：

Which two statements are true about traffic shaping and traffic policing？（）

A、both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP
B、both traffic shaping and traffic policing support the marking and re-marking of traffic
C、the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic
D、traffic shaping queues excess traffic whereas traffic policing discards excess traffic
E、traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate

正确答案:C,D

第5题：

Users at the Charleville Company began experiencing high network delays when Internet connectivity was enabled for all users. After investigating the traffic flow, you determine that peerto-peer traffic from a music download site is consuming a large amount of bandwidth. Which QoS mechanism can you implement to improve the network response time?（）

A. Use CBWFQ to queue the peer-to-peer traffic into the default traffic class.

B. Use class-based WRED to randomly drop the peer-to-peer traffic during network congestions.

C. Use class-based policing to limit the peer-to-peer traffic rate.

D. Use class-based shaping to delay any excessive peer-to-peer traffic. Answer: C

参考答案：C

第6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

参考答案：A

第7题：

When are packets processed in an inbound access list?()

A. Before they are routed to an outbound interface.

B. After they are routed for outbound traffic.

C. After they are routed to an outbound interface while queuing.

D. Before and after they are routed to an outbound interface.

E. Depends on the configuration of the interface

F. None of the above

参考答案：A

第8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

参考答案：C

第9题：

Which two of these are differences between traffic policing and traffic shaping？（）

A、with traffic shaping，a router stores excess traffic in packet buffers until bandwidth is available again
B、with policing you can tune the buffer usage for traffic exceeding the specified CIR
C、with shaping you can tune the buffer usage for traffic exceeding the specified CIR
D、shaping should only be applied for ingress traffic，policing only for egress
E、policing uses a token bucket algorithm，shaping uses an SPD algorithm

正确答案:A,C

第10题：

Which statement describes the PFE?（）

A、The PFE controls the RE by providing Layer 2 and Layer 3 forwarding tables
B、The PFE implements advanced services such as policing, stateless firewall filtering, and class of service
C、The PFE sends traffic to the RE for systematic packet forwarding
D、The PFE receives hardware and environmental status messages from the RE

正确答案:B

单选题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 classifierB after the traffic passes though a shaperC prior to ingress policing of trafficD while the

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