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（）提供一种简单粗略的方法对各种服务加以分类来实现QoS。
- A、RSVP
- B、MPLS
- C、SBM
- D、DiffServ
参考答案
更多 “（）提供一种简单粗略的方法对各种服务加以分类来实现QoS。A、RSVPB、MPLSC、SBMD、DiffServ” 相关考题
考题
QoS旨在针对各种应用的不同需求,为其提供不同的服务质量,例如:提供承诺带宽、减少报文丢失率、降低数据帧传送时延及时延抖动等。为实现上述目的,QoS提供了下述功能:().
A.业务分类B.拥塞控制C.流量的监管D.时延保证
考题
以下关于DiffServ的说法，不正确的是（ ）。A.DiffServ最主要的优势是弱化了对信令的依赖
B.DiffServ提供全网端到端的QoS保证
C.DiffServ将QoS的一致性范围缩小到每个区域之中，从而降低了这种模型实现的复杂性。
D.DiffServ无需像IntServ在每个路由器上为每个业务流保留"软状态"，避免了大量的资源预留信息的传递，具有更好的可扩展性
考题
QoS旨在针对各种应用的不同需求，为其提供不同的服务质量，例如：提供专用带宽、减少报文丢失率、降低报文传送时延及时延抖动等。为实现上述目的，QoS提供了下述功能：（）
A、报文分类和着色B、网络拥塞管理C、网络拥塞避免D、流量监管和流量整形E、QoS信令协议
考题
Which two statements about the DiffServ QoS model are true？（）A、DiffServ requires RSVP to set up a path through the network to accommodate the requested QoS.B、Network traffic is identified by class， and the level of service is chosen for each class.C、The DiffServ model relies on a fairly simple mechanism to provide QoS over a wide range of equipment.D、RSVP enables the DiffServ model to provide end-to-end QoS.E、The DiffServ model is more scalable than the IntServ model.F、The flow-based approach of the DiffServ model is ideal for large scalable implementations such as the public Internet.
考题
Which three statements are true about the appliance of QoS models？（）A、the DiffServ model requires applications to signal the network with QoS requirementsB、the DiffServ model can be used to deliver QoS based upon IP precedence， or source and destination addressesC、the DiffServ model requires RSVPD、the best effort model is suitable for applications such as file transfer and e-mailE、the IntServ model requires applications to signal the network with QoS requirementsF、the IntServ model model attempts to deliver a level of service based on the QoS specified by each packet
考题
QoS旨在针对各种应用的不同需求，为其提供不同的服务质量，例如：提供承诺带宽、减少报文丢失率、降低数据帧传送时延及时延抖动等。为实现上述目的，QoS提供了下述功能A、业务分类B、拥塞控制C、流量的监管D、时延保证
考题
多选题Which two statements about the DiffServ QoS model are true？（）ADiffServ requires RSVP to set up a path through the network to accommodate the requested QoS.BNetwork traffic is identified by class， and the level of service is chosen for each class.CThe DiffServ model relies on a fairly simple mechanism to provide QoS over a wide range of equipment.DRSVP enables the DiffServ model to provide end-to-end QoS.EThe DiffServ model is more scalable than the IntServ model.FThe flow-based approach of the DiffServ model is ideal for large scalable implementations such as the public Internet.
考题
多选题Which three statements are true about the appliance of QoS models？（）Athe DiffServ model requires applications to signal the network with QoS requirementsBthe DiffServ model can be used to deliver QoS based upon IP precedence， or source and destination addressesCthe DiffServ model requires RSVPDthe best effort model is suitable for applications such as file transfer and e-mailEthe IntServ model requires applications to signal the network with QoS requirementsFthe IntServ model model attempts to deliver a level of service based on the QoS specified by each packet
考题
单选题下面对DiffServ模型的描述，不正确的是（）A
可以通过设置IP报文头部的QoS参数信息，来告知网络节点它的QoS需求B
报文传播路径上的各个设备，都可以通过IP报文头的分析来获知报文的服务需求类别C
在实施DiffServ时，下游路由器必须要对报文进行分类D
DiffServ是一种基于报文流的QoS解决方案
考题
单选题（）提供一种简单粗略的方法对各种服务加以分类来实现QoS。A
RSVPB
MPLSC
SBMD
DiffServ
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