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Voice quality is bad due to high delay and jitter on a link. Which two actions will improve the quality  of voice calls？（）

A、Increase the queue size of the voice class.

B、Guarantee bandwidth during congestion to the voice class with a bandwidth command.

C、Increase the tx-ring of the egress interface.

D、Implement LLQ for the voice class.

E、Decrease the rx-ring of the egress interface.

F、Decrease the queue size of the voice class.

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更多“Voice quality is bad due to high delay and jitter on a link. Which two actions will improve the quality  of voice calls？（）”相关的问题
第1题
[单选题] Due to limitations affecting voice quality, which of the broadband speeds shown is preferred in order to achieve highest voice quality on a converged data and voice teleworker connection?（）

A、DSL with 128k uplink /128k downlink  B、cable with 256k uplink /256k downlink  C、DSL with 128k uplink /768k downlink  D、cable with 256k uplink /1.4M downlink  

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第2题
[] Interface congestion is causing drops in voice packets and TCP packets. The drops result in jerky speech quality and slower FTP traffic flows. Which two technologies would proactively address the TCP transfer rate and the voice problems？（）

A、A.CBWFQ  B、B.LLQ  C、C.traffic shaping  D、D.WRED  

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第3题
[] Interface congestion is causing drops in voice packets and TCP packets. The drops result in jerky speech quality and slower FTP traffic flows. Which two technologies would proactively address the TCP transfer rate and the voice problems？ （）

A、A. CBWFQ  B、B. LLQ  C、C. traffic shaping  D、D. WRED  

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第4题
[单选题] To ensure quality， what is the maximum end-to-end transit time in milliseconds on a voice network？（）

A、 50  B、 100  C、 150  D、 200  E、 250  

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第5题
[多选题] When designing a converged network， which measures can be taken at the building access layerto 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  

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第6题
[多选题] The Company is rolling out Cisco’s Architecture for Voice， Video and Integrated Data （AVVID）.Which of the following choices represent the fundamental intelligent network services in Cisco’sAVVID？（）

A、Quality of Service （QoS）  B、Intelligent platforms  C、Mobility and scalability  D、Security  E、High availability  

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第7题
[单选题] You are the network administrator of an enterprise company that just deployed a global IP telephonyenvironment. In order to guarantee good voice quality，you asked your provider to implement QoS on the CE routers of your MPLS network. On your LAN，you have also deployed QoS.Users，however，keep complaining about bad voice quality，and the provider does not see matches on the DSCP values that you have asked him to match upon. What is most likely the problem？（）

A、The phones are not sending traffic with the correct DSCP value.  B、The Cisco CallManager is not marking the traffic correctly.  C、This is most likely a bug on the CE routers.  D、Your LAN QoS is incorrectly configured.  

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第8题
[单选题] You are the network administrator of an enterprise company that just deployed a global IP telephony environment. In order to guarantee good voice quality， you asked your provider to implement QoS on the CE routers of your MPLS network. On your LAN， you have also deployed QoS. Users， however， keep complaining about bad voice quality， and the provider does not see matches on the DSCP values that you have asked him to match upon. What is most likely the problem？（）

A、The phones are not sending traffic with the correct DSCP value.  B、The Cisco CallManager is not marking the traffic correctly.  C、This is most likely a bug on the CE routers.  D、Your LAN QoS is incorrectly configured.  

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第9题
[单选题] What can be used to maintain the voice quality on a link by limiting the number of calls that can be active at any given time？（）

A、 Call Management Link Agent  B、 Traffic policing  C、 Call Admission Control  D、 QoS Link Congestion Management  E、 Oversubscription Link Detection  

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