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名词解释题
颤动回声（fiutter echo）
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WhichconfigurationwouldmakeanIPSLAprobeuseaprecedencevalueof3?()
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单选题Which configuration would make an IP SLA probe use a precedence value of 3？（）A
ip sla 1icmp-echo 1.1.1.1 tos 12B
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单选题What happens when you issue the ping 172.19.102.2 count 5 command?（）A
ICMP echo requests are sent to 172.19.102.2 in five-millisecond intervals.B
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