[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fItb2Rb5LoKQgXMZlkMs9v9qa53PyrD1EZadcENXMlZ4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-12-03 19:24:31",245950369,[8,9,10,11],"3","20","6","10",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},100,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48510830","选择题练习20251124215507","当传输距离d增加至10加倍时,自由空间传播损耗增加( )dB",[21,32,41,49,58,67,76,85,94,103],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],245950360,[25,26,27,28],"60kHz","45kHz","30kHz","15kHz","下面哪些子載波间隔不是5G协议支持的?( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],245950361,[36,37,38,39],"S1","X2","eCPRI","Xn","BBU5900和AAU之间的接口是哪一个",{"answer":42,"createTime":5,"id":43,"options":44,"question":48,"source":30,"type":31},[],245950362,[45,46,39,47],"NG-U","N11","NG-C","5G网络基本架构,AMF与gNB之间的接口是什么? ( )",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":30,"type":31},[],245950363,[53,54,55,56],"LDPC","Polar","卷积码","Turbo","5G eMBB场景下,控制信道采用的主要编码方案是?( )",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":30,"type":31},[],245950364,[62,63,64,65],"RNC RRC","gNodeB RRC","gNodeB PDCP","AMF RRC","5G系统中,UE的RRC层协议的对等层是哪个网元来解析( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":30,"type":31},[],245950365,[71,72,73,74],"子帧","时隙","载波","符号","调制的基本单位是 ( )",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":30,"type":31},[],245950366,[80,81,82,83],"256QAM","64QAM","QPSK","16QAM","下行物理信道PBCH为物理广播信道,用于系统消息MIB广播,请问该信道使用如下哪种调制方式",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":30,"type":31},[],245950367,[89,90,91,92],"路由和复制","分段重组","加解密和完整性保护","重排序","在5G空口协议栈中,PDCP层功能不包括以下哪个?( )",{"answer":95,"createTime":5,"id":96,"options":97,"question":102,"source":30,"type":31},[],245950368,[98,99,100,101],"UPF","SMF","AUSF","AMF","5G基于系统功能的架构中,NGC中哪个网络功能负责终端的移动性管理? ( )",{"answer":104,"createTime":5,"id":6,"options":105,"question":19,"source":30,"type":31},[],[8,9,10,11]]