[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fEorpvbu-_F6an8pz7w9lF2Ymiy4JMPCLxQy2DaQps0A":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-04 19:52:21",228816845,[8,9,10,11],"255.0.0.0","255.255.0.0","255.255.255.0","255.255.255.255",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_47605852","期末大作业","IPv4地址中,B类地址的默认子网掩码是( )",[21,32,41,50,59,68,77,86,95,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],228816837,[25,26,27,28],"A类","B类","C类","D类","190.188.192.100属于( )IP地址","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],228816838,[36,37,38,39],"32","48","64","128","IPV6地址长度( )位",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],228816839,[45,46,47,48],"主机部分","网络部分","主机个数","无意义","子网掩码中"1"代表( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],228816840,[54,55,56,57],"172. 16. 128. 0","172. 16. 163. 0","172. 16. 192. 0","172. 16. 160. 0","主机的IP地址为172. 16. 163. 213,子网掩码为255. 255. 224. 0,则主机所在子网是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],228816841,[63,64,65,66],"25.3.241.5","172.16.32.8","202.43.32.170","128.26.43.12","IP地址( )属于专用地址",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],228816842,[72,73,74,75],"127.128.23.38","156.132.45.56","223.45.79.65","191.130.78.69","IP地址( )属于C类地址",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],228816843,[81,82,83,84],"163.37.156.0","163.37.160.0","163.37.144.0","163.37.192.0","一台主机的IP地址为163.37.156.5,子网掩码为255.255.240.0,则该主机所在的网络地址是( )",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],228816844,[90,91,92,93],"180.80.76.0","180.80.76.255","180.80.77.255","180.80.79.255","某主机的IP 地址为180.80.77.55,子网掩码为255.255.252.0.若该主机向其所在子网发送广播分组,则目的地址可以是( )",{"answer":96,"createTime":5,"id":6,"options":97,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],228816846,[102,103,104,105],"96.0.0.0","176.0.0.0","255.128.0.0","127.192.0.0","下列子网掩码中( )是推荐使用的"]