题目内容
(请给出正确答案)
[单选题]
E-RAB的建立,均可由()和(EPC)发起
A.UE
B.eNodeB
C.EPC
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第7题
A.Call Drop Rate = eRAB AbnormRel/ eRAB Setup Success *100%
B.Call Drop Rate = eRAB AbnormRel/ RRC Connection Setup Success *100%
C.Call Drop Rate = eRAB AbnormRel/ eRAB Release Total *100%
D.Call Drop Rate = eRAB AbnormRel/ eRAB NormRel *100%
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