For acceptable voice calls, the packet error rate should be no higher than what value?()A、0.1%B、1%C、2.5%D、25%

For acceptable voice calls, the packet error rate should be no higher than what value?()

  • A、0.1%
  • B、1%
  • C、2.5%
  • D、25%

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多选题Which two statements are true about the function of CAC?()ACAC provides guaranteed voice quality on a link.BCAC artificially limits the number of concurrent voice calls.CCAC is used to control the amount of bandwidth that is taken by a call on a link.DCAC prevents oversubscription of WAN resources that is caused by too much voice traffic.ECAC allows an unlimited number of voice calls while severely restricting,if necessary,other forms of traffic.FCAC solves voice congestion problems by using QoS to give priority to UDP traffic.

单选题You have a good voice.()AThank youBNot at allCJust so soDMy voice isn't good

单选题For acceptable voice calls, the packet error rate should be less than()%A 0.01B 0.1C 1D 2.5

多选题Voice quality is bad due to high delay and jitter on a link. Which two actions will improve the quality  of voice calls?()AIncrease the queue size of the voice class.BGuarantee bandwidth during congestion to the voice class with a bandwidth command.CIncrease the tx-ring of the egress interface.DImplement LLQ for the voice class.EDecrease the rx-ring of the egress interface.FDecrease the queue size of the voice class.

单选题For acceptable voice calls, the packet error rate should be no higher than what value?()A0.1%B1%C2.5%D25%

单选题For acceptable voice calls, the packet error rate should be less than()%A0.01B0.1C1D2.5