[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f18IEQknAtLKkqvucuE67cIpmxUhjXjxqSUvt3dT1WaQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-04-27 08:55:58",140514282,[8,9,10,11],"老师","同学","活动过程","网络",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},170,"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_119581852","第2章选择题1","下列信息来源属于媒体类的是( )",[21,33,42,51,60,69,78,87,95,104],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-04-27 08:55:57",140514154,[26,27,28,29],"baud per second","bytes per second","bits per second","billion per second","传送速率的单位"bps"代表( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],140514155,[37,38,39,40],"多个0或1构成的序列","8个0或1构成的序列","一个数字脉冲","一组数字脉冲","下列关于码元的说法中正确的是( )",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],140514156,[46,47,48,49],"传输速率","信道容量","误码率","频带利用率","在计算机网络中,表示数据传输有效性的指标是( )",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],140514157,[55,56,57,58],"网卡是一种通信介质","计算机之间可以进行无线通信","电话是一种通信介质","计算机网络通信协议就是在计算机进行通信时双方规定使用英文还是使用中文","关于计算机通信,下列说法中正确的是( )",{"answer":61,"createTime":23,"id":62,"options":63,"question":68,"source":31,"type":32},[],140514158,[64,65,66,67],"1024KB\u002Fs","1024Kbps","1024Mbps","1024MB\u002Fs","1Gbps等于( )",{"answer":70,"createTime":23,"id":71,"options":72,"question":77,"source":31,"type":32},[],140514159,[73,74,75,76],"网络适配器","信号解码器","机顶盒","调制解调器","模拟电视要上网,还必须具备一个外围设备,它使用户利用模拟电视接收数字信号,这种外设的名称是( )",{"answer":79,"createTime":23,"id":80,"options":81,"question":86,"source":31,"type":32},[],140514160,[82,83,84,85],"波分多路复用","时分多路复用","码分多路复用","频分多路复用","在下列多路复用技术中,具有动态分配时隙的功能.( )",{"answer":88,"createTime":23,"id":89,"options":90,"question":94,"source":31,"type":32},[],140514161,[48,91,92,93],"响应时间","服务质量","传输延迟","描述计算机网络中数据通信的基本技术参数是数据传输速率与( )",{"answer":96,"createTime":23,"id":97,"options":98,"question":103,"source":31,"type":32},[],140514162,[99,100,101,102],"每秒可能发生的信号变化的次数","每秒传输的比特数","每秒传输的字节数","每秒传输的周期数","波特率等于( )",{"answer":105,"createTime":23,"id":106,"options":107,"question":112,"source":31,"type":32},[],140514163,[108,109,110,111],"视频","文字","动画","声音","交通监控录像的主要信息载体形式是( )"]