[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fKGT_tixNtHQnXiS7TGSnkbn9txS7uwdjPPtEoNOByGs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-04-10 19:15:57",182544653,[8,9,10,11],"目的物理地址","目的 IP 地址","源物理地址","源 IP 地址",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},76,"e237247e8a5aca328048ac4f106c90e4","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","XGB11010计算机网络","work_42588500","第五章作业","以太网交换机进行转发决策时使用的 PDU 地址是( )",[21,26,36,45,54,61,70,79,88,97],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":28,"id":29,"options":30,"question":35,"source":24,"type":25},[],"2025-04-10 19:15:58",182544656,[31,32,33,34],"仅 I 和 II","仅 III","仅 III 和 IV","仅 IV","下列网络设备中,能够抑制广播风暴的是( ). Ⅰ. 中继器 Ⅱ. 集线器 Ⅲ. 网桥 Ⅳ. 路由器",{"answer":37,"createTime":28,"id":38,"options":39,"question":44,"source":24,"type":25},[],182544659,[40,41,42,43],"CSMA","CDMA","CSMA\u002FCD","CSMA\u002FCA","下列选项中,对正确接收到的数据帧进行确认的 MAC 协议是( )",{"answer":46,"createTime":28,"id":47,"options":48,"question":53,"source":24,"type":25},[],182544662,[49,50,51,52],"无连接不可靠服务","无连接可靠服务","有连接不可靠服务","有连接可靠服务","以太网的 MAC 协议提供的是( )",{"answer":55,"createTime":28,"id":56,"options":57,"question":60,"source":24,"type":25},[],182544665,[41,40,58,59],"TDMA","FDMA","下列介质访问控制方法中,可能发生冲突的是( )",{"answer":62,"createTime":28,"id":63,"options":64,"question":69,"source":24,"type":25},[],182544668,[65,66,67,68],"边发送数据帧,边检测是否发生冲突","适用于无线网络,以实现无线链路共享","需要根据网络跨距和数据传输速率限定最小帧长","当信号传播延迟趋近0时,信道利用率趋近100%","下列关于CSMA\u002FCD协议的叙述中,错误的是( )",{"answer":71,"createTime":28,"id":72,"options":73,"question":78,"source":24,"type":25},[],182544671,[74,75,76,77],"以太网交换机本质上是一种多端口网桥","通过交换机互连的一组工作站构成一个冲突域","交换机每个端口所连网络构成一个独立的广播域","以太网交换机可实现采用不同网络层协议的网络互联","下列关于交换机的叙述中,正确的是( )",{"answer":80,"createTime":28,"id":81,"options":82,"question":87,"source":24,"type":25},[],182544674,[83,84,85,86],"发送确认帧","采用二进制指数退避","使用多个MAC地址","交换RTS与CTS帧","IEEE 802.11无线局域网的MAC协议CSMA\u002FCA进行信道预约的方法是( )",{"answer":89,"createTime":28,"id":90,"options":91,"question":96,"source":24,"type":25},[],182544677,[92,93,94,95],"2.56 μs","5.12 μs","10.24 μs","20.48 μs","假设一个采用CSMA\u002FCD协议的100Mb\u002Fs局域网,最小帧长是128B,则在一个冲突域内两个站点之间的单向传播延时最多是( )",{"answer":98,"createTime":28,"id":99,"options":100,"question":105,"source":24,"type":25},[],182544680,[101,102,103,104],"101110000","101110100","101111000","101111100","若甲向乙发送数据时采用CRC校验,生成多项式为G( ) =X4+X+1(即 G=10011),则乙接收到下列比特串时,可以断定其在传输过程中未发生错误的是( )"]