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Which QoS mechanism can help classify different kinds of Cit

题目
单选题
Which QoS mechanism can help classify different kinds of Citrix traffic print job versus real-time terminalcontrol？（）
A

qos-group

B

DSCP

C

LFI

D

NBAR

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相似问题和答案

第1题：

You can turn to different kinds of people,dictionaries or maps,to find out what you wish to know.

A:contact
B:consult
C:refer
D:request

答案：B
解析：
为了找到你想知道的内容，你可以咨询不同的人，查找词典和地图。contact“接触、联系”，例如：Please contact the service centre for ice．若需冰块，请同服务中心联系。 consult“咨询、查阅”，最符合题意，例如：You had better consult a doctor soon．你最好快点去看医生。refer“参考”，不及物动词，用refer to，例如：For further particulars , please refer to Chapter Ten．详情请看第十章。request“请求”，例如：Your presence is requested at the meeting．请你务必出席会议。

第2题：

Which two statements about queuing mechanisms are true？ （）

  • A、FIFO queuing is only appropriate for slower serial interfaces
  • B、weighted fair queuing is the default queuing mechanism used for all but slower than E1 rate interfaces
  • C、only one queuing mechanism type can be applied to an interface
  • D、weighted fair queuing does not require the configuration of access lists to classify traffic  
  • E、flow-based weighted fair queuing provides for queues to be serviced in a round-robin fashion

正确答案:C,D

第3题：

A customer asks for help choosing their WAN technology, the customer is looking for A solution that can be used across very long distances, provides QoS and VPN support, and is sensitive to their budgeting needs , which WAN technology would you recommend?（）

A.MPLS

B.framerelay

C.leaseDline

D.metroethernet

E.widetransport


参考答案：A

第4题：

A customer asks for help choosing their WAN technology, the customer is looking for A solution that can be used across very long distances, provides QoS and VPN support, and is sensitive to their budgeting needs , which WAN technology would you recommend?（）

  • A、MPLS
  • B、framerelay
  • C、leaseDline
  • D、metroethernet
  • E、widetransport

正确答案:A

第5题：

A GRE tunnel is configured between a local and a remote site. Where should the service policy be applied to classify packets based on the pretunnel header? （）

  • A、in global configuration mode， apply the service policy and use the qos pre-classify
  • B、in global configuration mode， apply the service policy but do not use the qos pre-classify command
  • C、apply the service policy on the physical interface but do not use the qos pre-classify
  • D、apply the service policy on the tunnel interface but do not use the qos pre-classify command 
  • E、apply the service policy on the tunnel interface and use the qos pre-classify command

正确答案:C

第6题：

Choose the true statement regarding QoS pre-classify.（）

  • A、QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.
  • B、QoS pre-classify is required when encrypting voice.
  • C、QoS pre-classify is an advantage to Service Providers transporting encrypted packets.
  • D、QoS pre-classify is not designed for IPSec/GRE configurations.

正确答案:A

第7题：

Which QoS mechanism can help classify different kinds of Citrix traffic （print job versus real-time terminal control）？（）

  • A、qos-group
  • B、DSCP
  • C、LFI
  • D、NBAR

正确答案:D

第8题：

When designing a converged network, which measures can be taken at the building access layer to help eliminate latency and ensure end－to－end quality of service can be maintained? ()

A. rate limit voice traffic

B. configure spanning-tree for fast link convergence

C. isolate voice traffic on separate VLANs

D. classify and mark traffic close to the source


参考答案：B, C, D

第9题：

Which two statements or sets of statements are true about the application of the qos pre-classify command？（）

  • A、 If the classification policy is based upon the ToS byte， the qos pre-classify command is required because the ToS byte only appears in the inner IP header.
  • B、 The ToS byte is copied to the outer header by default. Therefore， the qos pre-classify command is not necessary.
  • C、 With GRE encapsulation， the qos pre-classify command is applied on the tunnel interface. This practice allows for different OoS configurations on each tunnel.
  • D、 With GRE encapsulation， the qos pre-classify command is applied on the physical interface. This practice allows for different OoS configurations on each interface.
  • E、 With IPsec encapsulation， the qos pre-classify command is applied on the physical interface. This practice allows for different OoS configurations on each interface.

正确答案:B,C

第10题：

Which statement is true about the SDM QoS wizard and its ability to enable a QoS policy on router interfaces？（）

  • A、QoS can be enabled on interfaces used for Easy VPN clients
  • B、QoS can be enabled on IPsec VPN interfaces and tunnels
  • C、QoS can be enabled on interfaces with an existing QoS policy
  • D、the QoS policy can be enabled for incoming and outgoing traffic on the interface

正确答案:B

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