[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fyqlmr2imQy031Paoq5ylTbpapHqQRBSjIsnrHxdHMLs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-01-06 06:15:57",300715901,[8,9,10,11],"DHCP","DNS","RARP","ARP",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},53,"8837d4c6c445f64e588524d811ee29c7","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa69649d1c5251893098f872007839af6.png","现代通信技术","work_49446044","动态海报制作","将物理地址转换为IP地址,需要使用的协议是?( )",[21,32,41,44,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],300715899,[25,26,27,28],"报文交换","电路交换","光交换","分组交换","以下哪种交换技术传输前不需要建立专用通路?( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],300715900,[36,37,38,39],"1 kHz – 10 kHz","300 Hz – 3400 Hz","50 Hz – 5 kHz","20 Hz – 20 kHz","人类语音的主要能量集中在哪个频率范围?( )",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],300715902,[48,49,50,51],"防火墙","网络交换机","网关","路由器","下列不属于网络互联设备的有( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],300715903,[57,58,59,60],"数据融合","硬件融合","网络融合","业务融合","在协同融合通信中,下列哪项不属于融合方式的是:( )",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],300715904,[66,67,68,69],"155.52 Mbps,622.08 Mbps","2.488 Gbps;10 Gbps","51.84 Mbps,155.52 Mbps","622.08 Mbps,2.488 Gbps","SDH 中 STM-1 速率是多少?SDH中的STM-4速率又是多少?( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],300715905,[75,76,77,78],"TDM","SPD","FDM","CDMA","无线通信中,下列哪个是常见的调制技术(通常指多址方案)?( )",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],300715906,[84,85,86,87],"卫星通信","有线通信","移动通信","光纤通信","GSM是哪种类型的通信标准?( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],300715907,[93,94,95,96],"数据业务","语音通信","视频通信","电视广播","IMS(IP Multimedia Subsystem)是不支持哪个业务设计?( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":103,"source":30,"type":31},[],300715908,[102,9,10,11],"ICMP","将IP地址转换为物理地址,需要使用的协议是?( )"]