單項選擇題

以下對于華為Probe&Asisstant軟件側(cè)掉話率公式定義正確的是:()

A、Call Drop Rate=eRAB Abnorm Rel/eRAB Setup Success*100%
B、Call Drop Rate=eRAB Abnorm Rel/RRC Connection Setup Success*100%
C、Call Drop Rate=eRAB Abnorm Rel/eRAB Release Total*100%
D、Call Drop Rate=eRAB Abnorm Rel/eRAB NormRel*100%
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