[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fw9nc3r7tMBnAvn2xh-LtYRM7z8fCCHUv0RiraJgXVDI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-06-29 14:26:09",201360340,[8,9,10,11],"R2","R3","接口m1","接口m0",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},22,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_43247509","第四章作业二","设某路由器R1建立了路由表,格式为:目的网络、子网掩码和下一跳, 现收到目的地址为128.96.39.169的分组,则其按着( )路由进行转发.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F476e23a913c5c2726f51a90b72557f6c.webp\">",[21,32,38,47,57,66,76,85,95,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],201360310,[25,26,27,28],"网络部分","主机部分","主机个数","无任何意义","子网掩码中&quot;1&quot;代表( )","v1",0,{"answer":33,"createTime":34,"id":35,"options":36,"question":37,"source":30,"type":31},[],"2025-08-11 22:03:20",201360313,[8,9,11,10],"设某路由器R1建立了路由表,格式为:目的网络、子网掩码和下一跳, 现收到目的地址为128.96.40.151的分组,则其按着( )路由进行转发.\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F476e23a913c5c2726f51a90b72557f6c.webp\">",{"answer":39,"createTime":34,"id":40,"options":41,"question":46,"source":30,"type":31},[],201360316,[42,43,44,45],"数据报可以在网络中传送1秒","数据报立即被丢弃","数据报可以经过一个路由器","数据报只能在本局域网内传送","IP数据报中的TTL字段值为1,则下列说法正确的是( )",{"answer":48,"createTime":49,"id":50,"options":51,"question":56,"source":30,"type":31},[],"2025-08-11 22:03:21",201360320,[52,53,54,55],"255.255.248.0","255.255.252.0","255.255.255.252","255.255.0.0","某单位分配了一个B类地址,计划将内部网络分成35个子网,将来还要增加16个子网,每个子网的主机数目接近800台,若这个网络方案规划可行,则子网掩码是( )",{"answer":58,"createTime":49,"id":59,"options":60,"question":65,"source":30,"type":31},[],201360324,[61,62,63,64],"4.1","145.105","1","105.4.1","若某台机器的IP地址为145.105.4.1,子网掩码为255.255.0.0,则其主机号为( )",{"answer":67,"createTime":68,"id":69,"options":70,"question":75,"source":30,"type":31},[],"2025-08-11 22:03:22",201360328,[71,72,73,74],"为全0","不同","为全1","相同","若两台主机在同一子网中,则两台主机的IP地址分别与它们的子网掩码相&quot;与&quot;的结果一定( )",{"answer":77,"createTime":68,"id":78,"options":79,"question":84,"source":30,"type":31},[],201360332,[80,81,82,83],"1022","2","510","254","某B类网络的子网掩码为255.255.255.192,则该网络可以划分( )个子网",{"answer":86,"createTime":87,"id":88,"options":89,"question":94,"source":30,"type":31},[],"2025-08-11 22:03:23",201360336,[90,91,92,93],"255.192.0.0","255.240.0.0","255.248.0.0","255.224.0.0","若某A类网络要产生20个子网,则其子网掩码(采用连续掩码)可以是( )",{"answer":96,"createTime":5,"id":6,"options":97,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":99,"createTime":87,"id":100,"options":101,"question":105,"source":30,"type":31},[],201360344,[102,55,103,104],"255.255.128.0","255.0.0.0","255.255.240.0","IP地址为 140.111.0.0 的B类网络,若要切割为9个子网,而且都要连上Internet,请问子网掩码设为( )"]