单选题You are experiencing contention in the queue on an egress interface of the router. Which policy action should be used for congestion control?（）A markB colorC filterD discard

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单选题

You are experiencing contention in the queue on an egress interface of the router. Which policy action should be used for congestion control?（）

mark

color

filter

discard

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相似问题和答案

第1题：

Which action statement in a policy list causes a packet to be placed in an outgoing port queue without performing an IP route lookup?()

A.filter

B.forward

C.next-hop

D.next-interface

参考答案：D

第2题：

The policy action of color is used for congestion control under which circumstance?()

A.congestion in an upstream router

B.congestion in a downstream router

C.contention for queue space on an egress interface

D.contention for queue space on an ingress interface

参考答案：C

第3题：

You need to describe the various types of flow control to your co-workers. Which of the following are types of flow control that can be used in a network? (Choose three)

A. Congestion avoidance

B. Windowing

C. Cut-through

D. Buffering

E. Load Balacing

F. Fast Forward

正确答案：ABD
A,B,D

第4题：

Which statement is true about the components of a queuing mechanism？（）

A、Each subinterface has its own hardware queue and can experience congestion just like its main interface
B、Hardware queuing is only used if the software queues are experiencing congestion.
C、Hardware queues and software queues are not used concurrently.
D、The hardware queuing system always uses the FIFO queuing mechanism.

正确答案:D

第5题：

You are working with a client to deploy QoS on their Frame Relay WAN. They would like to be able to allow packets to cross the Frame Relay WAN but have them marked as discard eligible if they exceed the QoS policy. How would you accomplish this task?（）

A、Configure a class map that sets the DE bit so that the policy map can correctly apply a violate-action if the policy is exceeded.
B、Configure a service policy that sets the DE bit and apply it to the serial interface connected to the Frame Relay WAN.
C、Configure a policy map that has a burst-max action of setting the DE bit if the policy is exceeded.
D、Configure a policy map that has a violate-action to change the DE bit from 0 to 1.

正确答案:D

第6题：

You have a firewall filter applied in an inbound direction on a customer interface. You would like this filter to protect your network from a spoofed denial of service attack. Which action should be configured to accomplish your goal?（）

A. then reject

B. then discard

C. then next filter

D. then silent-drop

参考答案：B

第7题：

A. Configure a class map that sets the DE bit so that the policy map can correctly apply a violate-action if the policy is exceeded.

B. Configure a service policy that sets the DE bit and apply it to the serial interface connected to the Frame Relay WAN.

C. Configure a policy map that has a burst-max action of setting the DE bit if the policy is exceeded.

D. Configure a policy map that has a violate-action to change the DE bit from 0 to 1.

参考答案：D

第8题：

You are experiencing contention in the queue on an egress interface of the router. Which policy action should be used for congestion control?()

A.mark

B.color

C.filter

D.discard

参考答案：B

第9题：

Which three are the ATM cell header fields？（）

A、cell loss priority （CLP）
B、discard eligibility （DE）
C、head error control （HEC）
D、generic flow control （GFC）
E、forward explicit congestion notification （FECN）

正确答案:A,C,D

第10题：

On the Cisco Nexus 7000 Series Switch， Control Plane Policing is enforced on which component？（）

A、 The supervisor module enforces CoPP before out-of-policy traffic reaches the CPU
B、 The fabric modules enforce CoPP in the fabric before out-of-policy traffic reaches the CPU
C、 The linecards enforce CoPP locally before out-of-policy traffic reaches the CPU
D、 The egress virtual output queue enforces CoPP locally before out-of-policy traffic reaches the CPU

正确答案:C

单选题You are experiencing contention in the queue on an egress interface of the router. Which policy action should be used for congestion control?（）A markB colorC filterD discard

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