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WRED？
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考题
On which component are RED and WRED managed in the router?()
A. I/O moduleB. switch fabricC. egress line moduleD. ingress line module
考题
下面的命令配置了 WRED ,其中提供了四个参数, [Quidway－Ethernet0]qos wred ip－precedence 9 low－limit 30 high－ limit 60 discard－probability 100 , (其中 9 30 60 100 为配置的参数),请指出设置不正确的参数是()
A.9B.30C.60D.100
考题
Which two statements about WRED are true？ （）A、WRED can selectively discard lower priority traffic when the interface becomes congested and can provide differentiated performance characteristics for different classes of service.B、Resource Reservation Protocol （RSVP） and WRED cannot be configured on the same interface.C、WRED will throttle back voice traffic only as a last resort.D、If the average queue length is greater than the minimum threshold but less than the maximum threshold， then based on the drop probability， WRED will either queue the packet or perform a random drop.E、WRED statistically drops more packets from low-bandwidth users than high-bandwidth users. Therefore， traffic sources that generate the least traffic are more likely to be slowed down than traffic sources that generate the most traffic.F、 WRED treats non-IP traffic as precedence 4.
考题
下列关于WRED的配置说法不正确的是（）TestInside GB0-283。A、使能WRED是在接口视图下B、WRED是一种拥塞避免机制，它可以同CQ，WFQ配合使用C、WRED可以在所有的物理接口下使能，但只能在某些逻辑接口下使能D、当队列长度大于或等于上限阈值high-limit时，将丢弃所有超过门限的报文
考题
What is an important consideration that should be taken into account when configuring shaped round robin？（）A、It enables policing.B、Strict priority is not supported.C、WRED must be previously enabled.D、It enables WRR
考题
What are two QoS mechanisms that are used to prevent packet loss？（）A、header compressionB、payload compressionC、low latency queuing （LLQ）D、weighted random early detection （WRED）E、traffic policingF、traffic shaping
考题
多选题Which two statements about WRED are true？ （）AWRED can selectively discard lower priority traffic when the interface becomes congested and can provide differentiated performance characteristics for different classes of service.BResource Reservation Protocol （RSVP） and WRED cannot be configured on the same interface.CWRED will throttle back voice traffic only as a last resort.DIf the average queue length is greater than the minimum threshold but less than the maximum threshold， then based on the drop probability， WRED will either queue the packet or perform a random drop.EWRED statistically drops more packets from low-bandwidth users than high-bandwidth users. Therefore， traffic sources that generate the least traffic are more likely to be slowed down than traffic sources that generate the most traffic.FWRED treats non-IP traffic as precedence 4.
考题
多选题Which three protocols or applications should be placed in a class that is configured with WRED？（）AHTTPBRTPCstreaming videoDBitTorrentEPOP3
考题
单选题下面的命令配置了 WRED ，其中提供了四个参数， [Quidway-Ethernet0]qos wred ip-precedence 9 low-limit 30 high- limit 60 discard-probability 100 ， （其中 9 30 60 100 为配置的参数），请指出设置不正确的参数是（）A
9B
30C
60D
100
考题
单选题On which component are RED and WRED managed in the router?（）A
I/O moduleB
switch fabricC
egress line moduleD
ingress line module
考题
多选题What are two QoS mechanisms that are used to prevent packet loss？（）Aheader compressionBpayload compressionClow latency queuing （LLQ）Dweighted random early detection （WRED）Etraffic policingFtraffic shaping
考题
多选题关于WRED，说法正确的是（）A当队列的长度小于低限时，不丢弃报文B当队列的长度在低限和高限之间时，WRED开始随机丢弃报文。并且，队列的长度越长，丢弃的概率越高C当队列的长度大于高限时，丢弃所有新到达报文D在和低限、高限比较并进行丢弃时，采用队列的平均长度
考题
判断题S7800交换机的Qos特性支持WRED、WRR、WFQ、WFQ+SP。A
对B
错
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