[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fuYdmz5sHHN_9SmlQ9kZytuffXD65v-zyfgDNZVcN9qk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":20,"type":21},[],"2024-05-04 18:43:50",141414791,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},121,"3187eb1b8956441706da1214c364927d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcd6aa804f56468e1fa7bc4a2057046b9.png","计算机网络技术学业水平考试","exam_118715037","第2章填空题","以数据分组为单位进行传输交换的数据交换技术是____",[17,22,27,32,37,42,47,52,57,62],{"answer":18,"createTime":5,"id":6,"options":19,"question":15,"source":20,"type":21},[],[],"v1",2,{"answer":23,"createTime":5,"id":24,"options":25,"question":26,"source":20,"type":21},[],141414792,[],"报文交换多个用户的数据可以通过____共享一条链路",{"answer":28,"createTime":5,"id":29,"options":30,"question":31,"source":20,"type":21},[],141414793,[],"信道是传送信号的通道,可以分为物理信道和____信道",{"answer":33,"createTime":5,"id":34,"options":35,"question":36,"source":20,"type":21},[],141414794,[],"报文交换和分组交换均采用____转发的传送方式",{"answer":38,"createTime":5,"id":39,"options":40,"question":41,"source":20,"type":21},[],141414795,[],"按照传输信息类型的不同,总线可分为____、控制总线和数据总线",{"answer":43,"createTime":5,"id":44,"options":45,"question":46,"source":20,"type":21},[],141414796,[],"信道复用技术可分为频分复用____、波分复用和码分复用",{"answer":48,"createTime":5,"id":49,"options":50,"question":51,"source":20,"type":21},[],141414797,[],"为了有效的利用通信线路,一个信道同时传输多路信号,这就是所谓的____技术",{"answer":53,"createTime":5,"id":54,"options":55,"question":56,"source":20,"type":21},[],141414798,[],"按____的方式划分,交换可以分为分组交换和快速分组交换两种类型",{"answer":58,"createTime":5,"id":59,"options":60,"question":61,"source":20,"type":21},[],141414799,[],"公用电话系统只能传输____信号",{"answer":63,"createTime":5,"id":64,"options":65,"question":66,"source":20,"type":21},[],141414800,[],"在一个物理信道内可以传输频率的范围,称为____"]