单项选择题

A.ICMP path echoB.UDP echoC.ICMP path jitterD.Applicati……

When running IP SLA， which application type should be used if you want to know round-trip delay， jitter， and packet loss for the full path？（）

A.ICMP path echo
B.UDP echo
C.ICMP path jitter
D.Application Performance Monitor
E.TCP connect

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