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Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.
- A、echo
- B、jitter
- C、packet loss
- D、digitized sampling
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单选题You need to troubleshoot some problems in the Company VOIP network associated with jitter. What is the cause of jitter？ （）A
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单选题Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.A
echoB
jitterC
packet lossD
digitized sampling
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单选题A BGP router should use three export policies named add-communities， no-rfc1918-routes， and rejected-unwanted. Which export statement places the add-communities policy immediately before the default BGP policy？（）A
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export [no-rfc1918-routes add-communities rejected-unwanted]；C
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名词解释题jitter
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