QoS（Quality of Serice）也即GPRS网络服务质量，QoS由如下以下哪几个属性定义：（）

相似题目

• The quality of the message can be affected by（）.

  A . climate B . sunshine C . human beings D . both a and

  查看最佳答案

• Which QoS mechanisms can you use on a converged network to improve VoIP quality？（）

  A . The use of a queuing method that will give VoIP traffic strict priority over other traffic B . The use of RTP header compression for the VoIP traffic C . The proper classification and marking of the traffic as close to the source as possible D . The use of 802.1QinQ trunking for VoIP traffic E . The use of WRED

  查看最佳答案

• The ignition quality of diesel fuel is indicated by its（）

  A . octane number B . cetane number C . viscosity in Saybolt seconds D . air fuel ratio

  查看最佳答案

• Which three QoS mechanisms can be configured to improve VoIP quality on a converged  network？（）

  A . The use of a queuing method that will give VoIP traffic strict priority over other traffic   B . The use of RTP header compression for the VoIP traffic. C . The proper classification and marking of the traffic as close to the source as possible D . The use of 802.1QinQ trunking for VoIP traffic E . The use of WRED for the VoIP traffic

  查看最佳答案

• What Cisco CE520 feature optimizes quality of service?（）

  A . Cisco Configuration Assistant B . Cisco Network Admission Control C . Cisco Smart Assist D . CiscoSmartport

  查看最佳答案

• Which traffic descriptor s can be recognized and categorized by cisco quality of service（qos）features？（）

  A .  incoming interface.outgoing interface.ip precedence.and differentiated services code P.oint（DSCP）. B .  Incoming interace.ip precedence.differentiated services code point（DSCP），and source or d.estination address. C .  Outgoing interface.ip precedence.differentiated services code point（DSCP）.and source or d.estination address. D .  Incoming interface .outgoing interface.ip precedence and differentiated code point s.ervices（DCPS） E .  Incoming interface .ip precedence .and source or destination address.  F .  Outgoing interface.ip precedence .and source or destination address.

  查看最佳答案

• Refer to the exhibit. Which switch interface configuration command would automatically configure  quality of service （QoS） for voice over IP （VoIP） within a QoS domain？ （） https://assets.asklib.com/images/image2/2018073014433396062.jpg

  A . switchport priority extend trust   B . mls qos trust C . switchport priority extend cos 7   D . auto qos voip cisco-phone

  查看最佳答案

• （） is one of the quality planning outputs.

  A . Scope base line B . Cost of quality C . Product specification D . Quality checklist

  查看最佳答案

• QOS的英文全称是Quality of Service，服务质量，目前典型的服务质量可以由以下（）几个技术参数来定义

  A . 带宽 B . 延迟 C . 抖动 D . 丢包率

  查看最佳答案

• The project team members should also be aware of one of the fundamental tenets of modern quality management: quality is planned, designed and built in, not（）

  A . executedin B . inspectedin C . check-in D . look-in

  查看最佳答案

• 服务质量Quality of Service（简称QoS）是网络的一种安全机制，用来解决网络延迟和阻塞等问题的一种技术。

  A . 正确 B . 错误

  查看最佳答案

• 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-effort D .  CBWFQ E .  IntServ F .  DiffServ

  查看最佳答案

• What is true about Quality of Service （QoS） for VPNs？（）

  A . QoS preclassification is only supported on generic routing encapsulation （GRE） and IPsec VPNs B . QoS preclassification is not required in Layer 2 Tunneling Protocol （L2TP）， Layer2 Forwarding （L2F）， and Point-to-Point Tunneling Protocol （PPTP） VPNs C . QoS preclassification is supported on IPsec AH VPNs， but not on IPsec ESP VPNs D . the QoS-for-VPNs feature （QoS preclassification） is designed for VPN transport interfaces E . with IPsec tunnel mode， the type of service （ToS） byte value is copied automatically from the original IP header to the tunnel header

  查看最佳答案

• RRM无线资源管理的工作就是结合QoS（Quality of Service）目标对（）进行管理。

  A . A、信道 B . B、负荷 C . C、功率 D . D、移动台

  查看最佳答案

• Impact factors reflect the quality of individual papers.

  查看最佳答案

• We’ve settled the questions of price, quality and quantity.

  查看最佳答案

• Which of the following does not bear on the quality of receivables?

  查看最佳答案

• Which of these criteria is NOT used in assessing the quality of a PEP?

  查看最佳答案

• The population qualities________of four factors: physical quality, psychological quality, cultural quality and moral quality.

  查看最佳答案

• The project team members should also be aware of one of the fundamental tenets of modem quality management：quality is planned, designed and built in, not (74)．

  A．check-in B．inspected in C．executed in D．look-in

  查看最佳答案

• 服务质量(Quality of Service, QoS)是指发送和接收信息的用户之间,以及用户与传输信息的集成服务网络之间关于信息传输的质量约定。QoS不是对网络中某个个体或元素的行为描述,它涉及用户与用户、( ),以及网络内部节点(或元素)的整体行为。

  A. 用户与设备 B. 网络与网络 C. 用户与网络 D. 网络与服务

  查看最佳答案

• The quality of a batch of drug substances is judged according to

  A．product appearance B．the inspection report C．product melting point D．product color

  查看最佳答案

• Perform Quality Control is the process of monitoring and recording results*of executing the Quality Plan activities to assess performance and recommend necessary changes.（） are the techniques and tool

  A．①②③④ B． ②③④⑤ C． ①②③⑤⑥ D． ①③④⑤⑥

  查看最佳答案

• The cost of living in Glasgow is among the lowest in Britain, （)the quality of life

  The cost of living in Glasgow is among the lowest in Britain, ()the quality of life is probably one of the highest. A.since B.as C.that D.while

  查看最佳答案