目前，宽带城域网保证QoS要求的技术主要有RSVP、DiffServ和(16)。A．ATMB．MPLSC．SDHD．Ad hoc
目前，宽带城域网保证QoS要求的技术主要有RSVP、DiffServ和(16)。
A．ATM
B．MPLS
C．SDH
D．Ad hoc
相关考题：
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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
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.
下列关于宽带城域网技术的描述中，错误的是（）A、宽带城域网保证QoS的主要技术有RSVP、DiffServ和MPLSB、宽带城域网带内网络管理是指利用网络管理协议SNMP建立网络管理系统C、宽带城域网能够为用户提供带宽保证，实现流量工程D、宽带城域网可以利用NAT技术解决IP地址资源不足的问题
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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网络服务质量表现在延时、抖动、吞吐量与丢包率B网络业务包括多媒体、数据与语音业务C网络采用IP网络的带内管理D网络服务质量保障技术主要有RSVP、DiffServ与MPLS
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单选题目前宽带城域网保证QoS要求的技术主要有RSVP、DiffServ和（ ）。AATMBMPLSCSDHDAd hoc