best effort 业务可用PIR和CIR描述如下（）。A、 CIR0B、 PIR=CIR0C、 PIRCIR0D、 PIR0，CIR=0
best effort 业务可用PIR和CIR描述如下（）。
- A、 CIR>0
- B、 PIR=CIR>0
- C、 PIR>CIR>0
- D、 PIR>0，CIR=0
相关考题：
目前Internet的缺省服务模型是()。 A.Best-Effort serviceB.Integrated serviceC.Differentiated serviceD.Best service
Which two pairings match the application with the correct Cos value？（）A、CoS 0 = Best-Effort DataB、CoS 1 = Best-Effort DataC、CoS 3 = High PriorityD、CoS 4 = High Priority DataE、CoS 5 = Voice BearerF、CoS 7 = Voice Bearer
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）A、 gold， silver， bronze， and platinumB、 platinum， gold， silver， and bronzeC、 titanium， gold， silver， and bronzeD、 voice and video， best effort， background， and scavengerE、 voice， video， best effort， and backgroundF、 voice， video， best effort， and scavenger
What is the default Quality of Service traffic class used by the ERX Edge Router?（）A、bronze forwardingB、assured forwardingC、expedited forwardingD、best effort forwarding
以下哪些配置，不属于best effort的流量定义？（）A、CIR=5000 PIR=5000B、CIR=0 PIR=5000C、CIR=2000 PIR=5000D、CIR=1000 PIR=2000
GPON将业务带宽分配方式分成4种类型，优先级从高到低分别是保证带宽（Assured）、固定带宽（Fixed）、非保证带宽（Non-Assured）和尽力而为带宽（Best Effort）。
为满足Best Effort的业务转发配置需求，需要将业务流映射进T-CONT type 4 (Best Effort)，因此7360 GPON在配置其对应的BW Profile时，CIR、AIR、EIR的配置应参考方案：A、CIR=0, AIR=0, EIR0B、CIR=0, AIR0, EIR=AIRC、CIR=0, AIR=0, EIR=0D、CIR0, AIR=CIR, EIR=CIR
Which two statements about the best effort model for QoS are true？（）A、delay sensitive packets are given preferential treatmentB、the default policy identifies a delay sensitive class and default classC、the default policy identifies a delay sensitive class， best effort class， and default classD、the model is highly scalableE、the model is still predominant on the internet F the model provides guaranteed service
When QoS levels in the Cisco Wireless Control System （WCS） are entered， which profile names are used to identify the access categories？（）A、 platinum， gold， silver， and bronzeB、 voice， gold， silver， and bronzeC、 low delay， network critical， business， best effortD、 voice， video， background gold， background silver， and best effortE、 voice， video， best effort， and backgroundF、 voice， video， best effort， background， and scavenger
单选题When QoS levels in the Cisco Wireless Control System （WCS） are entered， which profile names are used to identify the access categories？（）A platinum， gold， silver， and bronzeB voice， gold， silver， and bronzeC low delay， network critical， business， best effortD voice， video， background gold， background silver， and best effortE voice， video， best effort， and backgroundF voice， video， best effort， background， and scavenger
多选题Which two statements about the best effort model for QoS are true？（）Adelay sensitive packets are given preferential treatmentBthe default policy identifies a delay sensitive class and default classCthe default policy identifies a delay sensitive class， best effort class， and default classDthe model is highly scalableEthe model is still predominant on the internet F the model provides guaranteed service
单选题Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）A gold， silver， bronze， and platinumB platinum， gold， silver， and bronzeC titanium， gold， silver， and bronzeD voice and video， best effort， background， and scavengerE voice， video， best effort， and backgroundF voice， video， best effort， and scavenger
判断题GPON将业务带宽分配方式分成4种类型优先级从高到低分别是保证带宽（Assured）、固定带宽（Fixed）、非保证带宽（Non、Assured）和尽力而为带宽（Best Effort）。A对B错
多选题Which two pairings match the application with the correct Cos value？（）ACoS 0 = Best-Effort DataBCoS 1 = Best-Effort DataCCoS 3 = High PriorityDCoS 4 = High Priority DataECoS 5 = Voice BearerFCoS 7 = Voice Bearer
单选题Best-Effort Server模型是通过什么队列技术来实现的？（）AFIFOBWFQCPQDLQ