[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fk2aIeDjsdIZRQisY_QzbFLHNBo5eIXDHZhzn5aAbAow":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-11-13 19:24:05",100206576,[8,9,10,11],"以上都不是","TCP","UDP","IP",{"courseId":13,"courseImg":14,"courseName":15},"854b94407e4d5525ed16a118b3733a84","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","计算机通信网","TCP\u002FIP的网络层最重要的协议是( )互连网协议",[18,29,39,49,58,67,76,79,88,97],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],100206558,[22,23,24,25],"10.20.30.40","172.16.26.36","202.101.244.101","192.168.200.10","以下IP地址中属于B类地址的是","v1",0,{"answer":30,"createTime":31,"id":32,"options":33,"question":38,"source":27,"type":28},[],"2023-11-11 22:55:32",100206560,[34,35,36,37],"60字节","15字节","20字节","16字节","在IP分组的首部中,首部长度字段的值是1111,代表首部的长度为多少",{"answer":40,"createTime":41,"id":42,"options":43,"question":48,"source":27,"type":28},[],"2023-11-11 22:55:31",100206564,[44,45,46,47],"191.1.79.255","191.1.77.255","191.1.76.255","191.1.76.0","主机的IP地址为191.1.77.55,子网掩码为255.255.252.0,那么它向其所在子网内发送广播分组,使用的目的地址为",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":27,"type":28},[],100206567,[53,54,55,56],"15","120","192.168.5.12","168","假设一个主机的IP地址为192.168.5.121,而子网掩码为255.255.255.248,那么该主机的子网号为( )",{"answer":59,"createTime":31,"id":60,"options":61,"question":66,"source":27,"type":28},[],100206571,[62,63,64,65],"1000","1040","1020","1060","已知IP分组的总长度是1060字节,首部中只有固定长度部分,问IP分组中,数据部分长多少字节",{"answer":68,"createTime":41,"id":69,"options":70,"question":75,"source":27,"type":28},[],100206574,[71,72,73,74],"数据链路层","物理层","网络层","传输层","路由器是OSI七层哪个层次的设备",{"answer":77,"createTime":5,"id":6,"options":78,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":80,"createTime":5,"id":81,"options":82,"question":87,"source":27,"type":28},[],100206578,[83,84,85,86],"协议转换","放大和整形物理信号","过滤与转发帧","路由选择","路由器的作用是( )",{"answer":89,"createTime":41,"id":90,"options":91,"question":96,"source":27,"type":28},[],100206581,[92,93,94,95],"4","1、2","3、4","3","[408链路层] 下列网络设备中能够抑制广播风暴的是( ) 1.中继器 2.集线器 3.网桥 4.路由器",{"answer":98,"createTime":41,"id":99,"options":100,"question":105,"source":27,"type":28},[],100206585,[101,102,103,104],"128.15.2.0","127.0.0.0","25.1.1.255","193.2.220.256","以下IP地址能够作为主机地址的是"]