答案:BCD
答案:BCD
A. A、电源防雷箱接地线需要连接到室内总地排
B. B、施工完成前,防雷箱的各空开必须处于关闭状态
C. C、防雷箱必须安装在馈线窗的正下方
D. D、防雷箱防雷模块亮红灯表示防雷模块已经失效
A. A、NCP
B. B、CCP
C. C、ALCAP
D. D、AAL2PATH
A. A、(A)RB
B. B、(B)PRB
C. C、(C)RAB
D. D、(D)RE
E. E、(F)15
F. F、(G)20
A. A、在LTE系统中,只要UE收到RRCConnectionReConfiguration消息,就意味着掉话。|InLTEsystem,receivingRRCConnectionReconfigurationmessagemenasadroppedcall.
B. B、在LTE系统中,当切换发生时,eNB会下发切换指示消息(HDM,HandoverDirectionMessage)给UE。|InLTEsystem,whileahandoverhappens,theHDM(HandoverDirectionMessage)willbesenttoUEbyeN
C. C、在LTE系统中,当切换发生时,eNB会下发RRCConnectionReconfiguration消息。|InLTEsystem,whileahandoverhappens,theRRCConnectionReconfigurationwillbesenttoUEbyeN
D. D、自动邻区关系功能(AutomaticNeighbourRelationFunction,ANRF)”需要配置X2口来完成。|AutomaticNeighbourRelationFunction(ANRF)needstoconfigtheX2interfacesbetweeneNB's.