[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f4zeQz5yZ-d8xoKzAuEx8_SX7pJoAvcsM7KRszEyh_K4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":27,"type":71},[],"2024-06-20 12:44:42",153594739,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},38,"0dbfb7c9dca9f6a8e30b7716011e5d2f","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbd4ceb085e7fb614315a0999b89440b7.jpg","计算机网络与通信","work_34500018","第四章","交换机是___层的设备",[17,29,39,48,57,66,72,77,80,85],{"answer":18,"createTime":19,"id":20,"options":21,"question":26,"source":27,"type":28},[],"2024-04-27 13:32:38",140553664,[22,23,24,25],"传输层通过与网络层的接口把数据交给网络层发送","网络层把上层用户数据按照本层协议封装成包","网络层提供流量控制服务,但不提供拥塞控制服务","网络层提供面向连接服务和无连接服务","下列关于网络层提供的服务说法错误的是","v1",0,{"answer":30,"createTime":31,"id":32,"options":33,"question":38,"source":27,"type":28},[],"2024-04-27 13:32:39",140553665,[34,35,36,37],"S1","S2","S3","S4","某路由器的路由表如下表所示:网络 下一跳 接口0.96.40.0\u002F23 176.1.1.1 S10.96.40.0\u002F25 176.2.2.2 S20.96.40.0\u002F27 176.3.3.3 S30.0.0\u002F0 176.4.4.4 S4由器收到一个目的地址为170.96.40.5的IP分组,则转发该IP分组的接口是",{"answer":40,"createTime":31,"id":41,"options":42,"question":47,"source":27,"type":28},[],140553666,[43,44,45,46],"170.80.77.255","170.80.76.0","170.80.79.255","170.80.76.255","某主机的IP地址为170.80.77.55,子网掩码为255.255.252.0.若该主机期望向其所在子网内的所有主机发送一个IP分组,则该IP分组的目的地址可以是",{"answer":49,"createTime":31,"id":50,"options":51,"question":56,"source":27,"type":28},[],140553667,[52,53,54,55],"ARP","ICMP","IGMP","UDP","与网际协议 IPv4 配套的协议没有哪个",{"answer":58,"createTime":31,"id":59,"options":60,"question":65,"source":27,"type":28},[],140553668,[61,62,63,64],"10.0.0.10","172.16.0.1","192.168.0.1","128.0.0.1","下列哪个不是专用ip地址(私网地址)",{"answer":67,"createTime":5,"id":68,"options":69,"question":70,"source":27,"type":71},[],153594737,[],"设有两个子网170.118.133.0\u002F24和170.118.130.0\u002F24,如果进行路由汇聚,得到的网络地址是",2,{"answer":73,"createTime":5,"id":74,"options":75,"question":76,"source":27,"type":71},[],153594738,[],"路由器是___层的设备",{"answer":78,"createTime":5,"id":6,"options":79,"question":15,"source":27,"type":71},[],[],{"answer":81,"createTime":5,"id":82,"options":83,"question":84,"source":27,"type":71},[],153594740,[],"集线器(HUB)是_____层设备",{"answer":86,"createTime":5,"id":87,"options":88,"question":89,"source":27,"type":71},[],153594741,[],"129.52.6.12是____类ip地址"]