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全部科目 > 通信技术认证考试 > 电信网络专业技术 > CDMA1X-EVDO

单项选择题

对于一个正常的移动台主叫流程,下面的信令流程先后次序正确的是()

    A.OriginationMessage->CMServiceRequest->Allocation->Establish->AssignmentComplete->TchPreamble
    B.OriginationMessage->CMServiceRequest->TchPreamble->Establish->AssignmentCompleteAllocation
    C.OriginationMessage->CMServiceRequest->Establish->Allocation->TchPreamble->AssignmentComplete
    D.OriginationMessage->CMServiceRequest->Establish->AssignmentComplete->Allocation->TchPreamble

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