[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$faeaqMJcPI4AX3cQt5kgw7YgjA0_sw9m4-OpCyhESwdc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":22,"type":34},[],"2023-05-28 15:54:14",33107080,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},8,"60b640e1a19eb1dea96b0f247d7f9eb4","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4289430fb2132164fbf48075f5067504.jpg","计算机网络","exam_89827385","第4章 单元测试-主观试题部分(36分钟)","A 和 B 两台电脑,利用以太网交换机连接而成的局域网,如果它们都运行 TCP\u002FIP 协议,而且网络管理员为它们分配的 IP 地址和子网掩码如下所示: A:192.168.1.35\u002F28 B:192.168.1.50\u002F28 请判断 A 和 B 是否能直接通信?如果不能,需要怎样设置",[17,24,29,35,40,45,50,53],{"answer":18,"createTime":5,"id":19,"options":20,"question":21,"source":22,"type":23},[],33107074,[],"一个 \u002F20 的地址块.试问网络上的主机数最多是多少","v1",4,{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":22,"type":23},[],33107075,[],"网络间互联的几种形式有哪几种",{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":22,"type":34},[],33107076,[],"假定网络中的路由器 A 的路由表有如下的项目(这三列分别表示"目的网络"、"距离"和"下一跳路由器")N1 4 CN2 2 BN6 8 FN8 3 EN9 4 F现在 A 收到从 B 发来的路由信息(这两列分别表示"目的网络""距离"):N2 4N4 2N5 5N8 3N9 2试求出路由器 A 更新后的路由表(详细说明每一个步骤)",7,{"answer":36,"createTime":5,"id":37,"options":38,"question":39,"source":22,"type":34},[],33107077,[],"IP 地址块 59.67.159.0\u002F26、59.67.159.64\u002F26 和 59.67.159.128\u002F26 聚合后可用的地址数为多少",{"answer":41,"createTime":5,"id":42,"options":43,"question":44,"source":22,"type":34},[],33107078,[],"某单位分配到一个起始地址为 14.24.74.0\u002F24 的地址块.该单位能要用到三个子网,他们的三个子地址块的具体要求是:子网 N₁ 需要 120 个地址,子网 N₂ 需要 60 个地址,子网 N₃ 需要 10 个地址.请给出地址块的分配方案.(4-47)",{"answer":46,"createTime":5,"id":47,"options":48,"question":49,"source":22,"type":34},[],33107079,[],"给出 4000 B 的 IP 数据报(包括 20 B 的 IP 首部)经过最大总长度为 1500 B 的网络时的分片方案.原始数据报的格式如下所示,要求写出分片后的数据报格式. … 总长度=4000 标识=X 标志=0 片偏移=0 …",{"answer":51,"createTime":5,"id":6,"options":52,"question":15,"source":22,"type":34},[],[],{"answer":54,"createTime":5,"id":55,"options":56,"question":57,"source":22,"type":34},[],33107081,[],"如下图 4-12 所示,网络 145.13.0.0\u002F16 划分为四个子网 N₁,N₂,N₃ 和 N4.这四个子网与路由器 R 连接的接口分别是 m0,m1,m2 和 m3.路由器 R 第五个接口 m4 连接到互联网. (1)试给出路由器 R 的路由表. (2)路由器 R 收到一个分组,其目的地址是 145.13.160.78.试给出这个分组是怎样被转发的. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F43b68633097aa571fb0f2bc4b8186f84.jpg\">"]