Diffserv主要采用RSVP协议实现端到端的QoS
Diffserv主要采用RSVP协议实现端到端的QoS
相关考题：
资源预约协议（RSVP）用在 IETP 定义的集成服务（InsServ）中建立端到端的 QoS 保障 机制。下面关于 RSVP 进行资源预约过程的叙述中，正确的是（ ）。A.从目标到源单向预约B.从源到目标单向预约C.只适用于点到点的通信环境D.只适用于点到多点的通信环境
Whatarethethreemodelsofqualityofservice(QoS)inanetwork?() A.ResourceReservationProtocol（RSVP）B.first-in，first-out（FIFO）C.best-effortD.CBWFQE.IntServF.DiffServ
企业网络拓扑如下图:你是ABC公司的网络管理员,你的公司老板希望企业的IP电话可以端到端的保证带宽和延时,你选择下面哪种QOS模型?() A.differentiatedservices（DiffServ）B.best-effortdeliveryC.shapingandpolicingD.IntegratedServices（IntServ）
DiffServ，是Internet实现QoS的一种方式，它对IP的主要修改是 (25) ，其实现过程可简述为 (26) 。（25）A．设置DS域，将IP分组分为不同的等级和丢弃优先级B．设置DS域和RSVP协议C．定义转发等价类D．定义多种包格式，分别封装不同优先级的数据
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
Which three statements are true about the application of QoS models？ （）A、 The DiffServ model requires applications to signal the network with QoS requirements.B、 The DiffServ model can be used to deliver QoS based upon IP precedence， or source and destination addresses.C、 The DiffServ model requires RSVP.D、 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 requirements.F、 The IntServ model attempts to deliver a level of service based on the QoS specified by each packet
What are the three models of quality of service （QoS） in a network？（）A、 Resource Reservation Protocol （RSVP）B、 first-in， first-out （FIFO）C、 best-effortD、 CBWFQE、 IntServF、 DiffServ
资源预约协议（RSVP）用在IETP定义的集成服务（InsServ）中建立端到端的QoS保障机制。下面关于RSVP进行资源预约过程的叙述中，正确的是（）。A、从目标到源单向预约B、从源到目标单向预约C、只适用于点到点的通信环境D、只适用于点到多点的通信环境
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.
Which two statements are true about the implementation of QoS？ （）A、 Implementing DiffServ involves the configuration of RSVP.B、 Implementing IntServ allows QoS to be performed by configuring only the ingress and egress devices.C、 Implementing IntServ involves the utilization of RSVP.D、 Traffic should be classified and marked by the core network devices.E、 Traffic should be classified and marked as close to the edge of the network as possible.
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.
多选题Which three statements are true about the application of QoS models？ （）AThe DiffServ model requires applications to signal the network with QoS requirements.BThe DiffServ model can be used to deliver QoS based upon IP precedence， or source and destination addresses.CThe DiffServ model requires RSVP.DThe best effort model is suitable for applications such as file transfer and e-mailEThe IntServ model requires applications to signal the network with QoS requirements.FThe IntServ model attempts to deliver a level of service based on the QoS specified by each packet
单选题下列关于宽带城域网技术的描述中，错误的是（ ）。A能够为用户提供带宽保证，实现流量工程B可以利用NAT技术解决IP地址资源不足的问题C可以利用SNMP实现网络管理D保证QoS的主要技术有RSVP、DiffServ、MSTP
多选题Differentiated Service的端到端QoS保障通过以下一些技术来实现（）。ACARBGTSC队列机制D拥塞避免